ATA8743-PXQW

ATA8743-PXQW Datasheet

Active Mode Typical mA at 3.0V and 4 MHz Microcontroller-clock Power-down Mode Typical 200 nA at 3.0V • Modulation Scheme ASK/FSK • Integrated PLL Loop Filter • Output Power of dBm at MHz • Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply • Single-ended Antenna Output with High Efficient Power Amplifier • Very Robust ESD Protection HBM 2500V, MM100V, CDM 1000V • High Performance, Low Power AVR 8-bit Microcontroller, Similar to Popular ATtiny44 • Well Known and Market-accepted RISC Architecture • Non-volatile Program and Data Memories 4 KBytes of In-system Programmable Program Memory Flash 256 Bytes In-system Programmable EEPROM 256 Bytes Internal SRAM • Programming Lock for Self-programming Flash Program and EEPROM Data Security • Peripheral Features Two Timer/Counter, 8- and 16-bit Counters with Two PWM Channels on Both 10-bit ADC On-chip Analog Comparator Programmable Watchdog Timer with Separate On-chip Oscillator Universal Serial Interface USI • Special Microcontroller Features debugWIRE On-chip Debug System In-system Programmable via SPI Port External and Internal Interrupt Sources Pin Change Interrupt on 12 Pins Enhanced Power-on Reset Circuit Programmable Brown-out Detection Circuit Internal Calibrated Oscillator On-chip Temperature Sensor • 12 Programmable I/O Lines

Part	Datasheet
ATA8743-PXQW	ATA8743-PXQW (pdf)

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General Features • Transmitter with Microcontroller Consisting of an Microcontroller and RF Transmitter PLL in a Single QFN24 5 mm x 5 mm Package Pitch mm f0 = 868 MHz to 928 MHz • Temperature Range to +85°C • Supply Voltage 2.0V to 4.0V Allowing Usage of Single Li-cell Power Supply • Low Power Consumption Active Mode Typical mA at 3.0V and 4 MHz Microcontroller-clock Power-down Mode Typical 200 nA at 3.0V • Modulation Scheme ASK/FSK • Integrated PLL Loop Filter • Output Power of dBm at MHz • Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply • Single-ended Antenna Output with High Efficient Power Amplifier • Very Robust ESD Protection HBM 2500V, MM100V, CDM 1000V • High Performance, Low Power AVR 8-bit Microcontroller, Similar to Popular ATtiny44 • Well Known and Market-accepted RISC Architecture • Non-volatile Program and Data Memories 4 KBytes of In-system Programmable Program Memory Flash 256 Bytes In-system Programmable EEPROM 256 Bytes Internal SRAM • Programming Lock for Self-programming Flash Program and EEPROM Data Security • Peripheral Features Two Timer/Counter, 8- and 16-bit Counters with Two PWM Channels on Both 10-bit ADC On-chip Analog Comparator Programmable Watchdog Timer with Separate On-chip Oscillator Universal Serial Interface USI • Special Microcontroller Features debugWIRE On-chip Debug System In-system Programmable via SPI Port External and Internal Interrupt Sources Pin Change Interrupt on 12 Pins Enhanced Power-on Reset Circuit Programmable Brown-out Detection Circuit Internal Calibrated Oscillator On-chip Temperature Sensor • 12 Programmable I/O Lines Microcontroller with UHF ASK/FSK Transmitter ATA8743 The ATA8743 is a highly flexible programmable transmitter containing the AVR microcontroller ATtiny44V and the UHF PLL transmitters in a small QFN24 5 mm x 5 mm package. This device is a member of a transmitter family covering several operating frequency ranges, which has been specifically developed for the demands of RF low-cost data transmission systems with data rates of up to 32 kBit/s. Its primary applications are in the areas of industrial/aftermarket Remote Keyless-Entry RKE systems, alarm, telemetering, energy metering systems, home automotion/entertainment and toys. The ATA8743 can be used in the frequency band of f0 = 868 MHz for ASK or FSK data transmission. Figure ASK System Block Diagram UHF ASK/FSK Remote Control Transmitter ATA8743 S1 PXY S1 PXY S1 PXY ATtiny44V VDD VS ATA8403 Power up/down ENABLE GND_RF UHF ASK/FSK Remote Control Receiver ATA8205 Demod Control 1 to 6 Microcontroller VCC_RF VS PA_ENABLE ANT2 ANT1 Antenna Loop Antenna 2 ATA8743 Figure FSK System Block Diagram UHF ASK/FSK Remote Control Transmitter ATA8743 S1 PXY S1 PXY S1 PXY ATtiny44V VDD VS ATA8743 ATA8403 Power up/down ENABLE GND_RF UHF ASK/FSK Remote Control Receiver ATA8205 Demod Control As indicated in the ordering information paragraph, the product is available in only one temperature grade, Table Temperature Grade Identification for Automotive Products Temperature Temperature Identifier Comments -40 +125 Full Automotive Temperature Range 20 ATA8743 ATA8743 Pin Descriptions Supply voltage. Ground. Port B PB3...PB0 RESET Port B is a 4-bit bi-directional I/O port with internal pull-up resistors selected for each bit . The Port B output buffers have symmetrical drive characteristics with both high sink and source capability except PB3 which has the RESET capability. To use pin PB3 as an I/O pin, instead of RESET pin, program ‘0’ RSTDISBL fuse. As inputs, Port B pins that are externally pulled low will source current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port B also serves the functions of various special features of the ATtiny24/44/84 as listed on Section “Alternate Port Functions” on page Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock is not running. The minimum pulse length is given in Figure 16-1 on page Shorter pulses are not guaranteed to generate a reset. Port A PA7...PA0 Port A is a 8-bit bi-directional I/O port with internal pull-up resistors selected for each bit . The Port A output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up resistors are activated. The Port A pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port A has an alternate functions as analog inputs for the ADC, analog comparator, timer/counter, SPI and pin change interrupt as described in “Alternate Port Functions” on page 77 Resources A comprehensive set of development tools, drivers and application notes, and datasheets are available for download on About Code Examples This documentation contains simple code examples that briefly show how to use various parts of the device. These code examples assume that the part specific header file is included before compilation. Be aware that not all C compiler vendors include bit definitions in the header files and interrupt handling in C is compiler dependent. Please confirm with the C compiler documentation for more details. For I/O Registers located in extended I/O map, “IN”, “OUT”, “SBIS”, “SBIC”, “CBI”, and “SBI” instructions must be replaced with instructions that allow access to extended I/O. Typically “LDS” and “STS” combined with “SBRS”, “SBRC”, “SBR”, and “CBR”. 22 ATA8743 ATA8743 CPU Core Overview This section discusses the AVR core architecture in general. The main function of the CPU core is to ensure correct program execution. The CPU must therefore be able to access memories, perform calculations, control peripherals, and handle interrupts. Architectural Overview Figure Block Diagram of the AVR Architecture Flash Program Memory Instruction Register Instruction Decoder Control Lines Program Counter Data Bus 8-bit Status and Control 32 x 8 General Purpose Registrers Interrupt Unit Watchdog Timer The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to function properly at frequencies higher than the ordering code indicates. The difference between current consumption in Power-down mode with Watchdog Timer enabled and Power-down mode with Watchdog Timer disabled represents the differential current drawn by the Watchdog Timer. Active Supply Current Figure Active Supply Current vs. Low Frequency - MHz - Temp.=25°C ACTIVE S UP P LY CURRENT vs LOW FREQUENCY - MHz - Temperature = ICC mA Frequency MHz Figure Active Supply Current vs. Low Frequency - MHz - Temp.=125°C 204 ATA8743 ATA8743 ACTIVE S UP P LY CURRENT vs LOW FREQUENCY - MHz - Temperature = ICC mA Frequency MHz Figure Active Supply Current vs. frequency 1 - 20 MHz - Temp.=25°C ACTIVE S UP P LY CURRENT vs FREQUENCY 1 - 20 MHz - Temperature = ICC mA Frequency MHz Figure Active Supply Current vs. frequency 1 - 20 MHz - Temp.=125°C ACTIVE S UP P LY CURRENT vs FREQUENCY 1 - 20 MHz - Temperature = ICC mA Frequency MHz Figure Active Supply Current vs. VCC Internal RC Oscillator, 8 MHz ACTIVE S UP P LY CURRENT vs VCC INTERNAL RC OSCILLATOR, 8 MHz ICC mA VCC V 125 85 25 -45 206 ATA8743 ATA8743 Figure Active Supply Current vs. VCC Internal RC Oscillator, 1 MHz ACTIVE S UP P LY CURRENT vs VCC INTERNAL RC OSCILLATOR, 1MHz ICC mA VCC V 125 85 25 -40 Figure Active Supply Current vs. VCC Internal RC Oscillator, 128 kHz ACTIVE S UP P LY CURRENT vs VCC Ordering Information Extended Type Number ATA8743-PXQW Package QFN24 5 mm x 5 mm Remarks Microcontroller with UHF Tx for 868 MHz to 928 MHz Package Information Package QFN 24 - 5 x 5 Exposed pad x acc. JEDEC OUTLINE No. MO-220 Dimensions in mm Not indicated tolerances Drawing-No. Issue 1; 19 18 13 12 nom. technical drawings according to DIN specifications History 9152B-INDCO-02/10 • Section 7 “Electrical Characteristics” on page 10 changed • Section 35 “Ordering Information” on page 237 changed Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel 1 408 441-0311 Fax 1 408 487-2600 International Atmel Asia Unit 1-5 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel 852 2245-6100 Fax 852 2722-1369 Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-en-Yvelines Cedex France Tel 33 1-30-60-70-00 Fax 33 1-30-60-71-11 Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581 Product Contact Web Site Literature Requests Technical Support Sales Contact Disclaimer The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. 2010 Atmel Corporation. All rights reserved. Atmel logo and combinations thereof, AVR and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

PDF Datasheet Preview

General Features
• Transmitter with Microcontroller Consisting of an Microcontroller and RF Transmitter PLL in a Single QFN24 5 mm x 5 mm Package Pitch mm f0 = 868 MHz to 928 MHz
• Temperature Range to +85°C
• Supply Voltage 2.0V to 4.0V Allowing Usage of Single Li-cell Power Supply
• Low Power Consumption

Active Mode Typical mA at 3.0V and 4 MHz Microcontroller-clock Power-down Mode Typical 200 nA at 3.0V
• Modulation Scheme ASK/FSK
• Integrated PLL Loop Filter
• Output Power of dBm at MHz
• Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply
• Single-ended Antenna Output with High Efficient Power Amplifier
• Very Robust ESD Protection HBM 2500V, MM100V, CDM 1000V
• High Performance, Low Power AVR 8-bit Microcontroller, Similar to Popular ATtiny44
• Well Known and Market-accepted RISC Architecture
• Non-volatile Program and Data Memories 4 KBytes of In-system Programmable Program Memory Flash 256 Bytes In-system Programmable EEPROM 256 Bytes Internal SRAM
• Programming Lock for Self-programming Flash Program and EEPROM Data Security
• Peripheral Features Two Timer/Counter, 8- and 16-bit Counters with Two PWM Channels on Both 10-bit ADC On-chip Analog Comparator Programmable Watchdog Timer with Separate On-chip Oscillator Universal Serial Interface USI
• Special Microcontroller Features debugWIRE On-chip Debug System In-system Programmable via SPI Port External and Internal Interrupt Sources Pin Change Interrupt on 12 Pins Enhanced Power-on Reset Circuit Programmable Brown-out Detection Circuit Internal Calibrated Oscillator On-chip Temperature Sensor
• 12 Programmable I/O Lines

Microcontroller with UHF ASK/FSK Transmitter

ATA8743

The ATA8743 is a highly flexible programmable transmitter containing the AVR microcontroller ATtiny44V and the UHF PLL transmitters in a small QFN24 5 mm x 5 mm package. This device is a member of a transmitter family covering several operating frequency ranges, which has been specifically developed for the demands of RF low-cost data transmission systems with data rates of up to 32 kBit/s. Its primary applications are in the areas of industrial/aftermarket Remote Keyless-Entry RKE systems, alarm, telemetering, energy metering systems, home automotion/entertainment and toys. The ATA8743 can be used in the frequency band of f0 = 868 MHz for ASK or FSK data transmission.

Figure ASK System Block Diagram

UHF ASK/FSK Remote Control Transmitter

ATA8743

S1 PXY S1 PXY S1 PXY

ATtiny44V

VDD VS

ATA8403

Power up/down

ENABLE GND_RF

UHF ASK/FSK Remote Control Receiver

ATA8205

Demod

Control
1 to 6 Microcontroller

VCC_RF VS

PA_ENABLE ANT2

ANT1

Antenna

Loop Antenna
2 ATA8743

Figure FSK System Block Diagram

UHF ASK/FSK Remote Control Transmitter

ATA8743

S1 PXY S1 PXY S1 PXY

ATtiny44V

VDD VS

ATA8743

ATA8403

Power up/down

ENABLE GND_RF

UHF ASK/FSK Remote Control Receiver

ATA8205

Demod

Control
As indicated in the ordering information paragraph, the product is available in only one temperature grade,

Table Temperature Grade Identification for Automotive Products

Temperature

Temperature Identifier

Comments
-40 +125

Full Automotive Temperature Range
20 ATA8743

ATA8743

Pin Descriptions

Supply voltage.

Ground. Port B PB3...PB0

RESET

Port B is a 4-bit bi-directional I/O port with internal pull-up resistors selected for each bit . The Port B output buffers have symmetrical drive characteristics with both high sink and source capability except PB3 which has the RESET capability. To use pin PB3 as an I/O pin, instead of RESET pin, program ‘0’ RSTDISBL fuse. As inputs, Port B pins that are externally pulled low will source current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset condition becomes active, even if the clock is not running.

Port B also serves the functions of various special features of the ATtiny24/44/84 as listed on Section “Alternate Port Functions” on page

Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock is not running. The minimum pulse length is given in Figure 16-1 on page Shorter pulses are not guaranteed to generate a reset.

Port A PA7...PA0

Port A is a 8-bit bi-directional I/O port with internal pull-up resistors selected for each bit . The Port A output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up resistors are activated. The Port A pins are tri-stated when a reset condition becomes active, even if the clock is not running.

Port A has an alternate functions as analog inputs for the ADC, analog comparator, timer/counter, SPI and pin change interrupt as described in “Alternate Port Functions” on page 77

Resources

A comprehensive set of development tools, drivers and application notes, and datasheets are available for download on

About Code Examples

This documentation contains simple code examples that briefly show how to use various parts of the device. These code examples assume that the part specific header file is included before compilation. Be aware that not all C compiler vendors include bit definitions in the header files and interrupt handling in C is compiler dependent. Please confirm with the C compiler documentation for more details.

For I/O Registers located in extended I/O map, “IN”, “OUT”, “SBIS”, “SBIC”, “CBI”, and “SBI” instructions must be replaced with instructions that allow access to extended I/O. Typically “LDS” and “STS” combined with “SBRS”, “SBRC”, “SBR”, and “CBR”.
22 ATA8743

ATA8743

CPU Core

Overview

This section discusses the AVR core architecture in general. The main function of the CPU core is to ensure correct program execution. The CPU must therefore be able to access memories, perform calculations, control peripherals, and handle interrupts.

Architectural Overview

Figure Block Diagram of the AVR Architecture

Flash Program Memory

Instruction Register

Instruction Decoder

Control Lines

Program Counter

Data Bus 8-bit

Status and Control
32 x 8 General Purpose Registrers

Interrupt Unit

Watchdog Timer
The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to function properly at frequencies higher than the ordering code indicates.

The difference between current consumption in Power-down mode with Watchdog Timer enabled and Power-down mode with Watchdog Timer disabled represents the differential current drawn by the Watchdog Timer.

Active Supply Current

Figure Active Supply Current vs. Low Frequency - MHz - Temp.=25°C

ACTIVE S UP P LY CURRENT vs LOW FREQUENCY
- MHz - Temperature =

ICC mA

Frequency MHz

Figure Active Supply Current vs. Low Frequency - MHz - Temp.=125°C
204 ATA8743

ATA8743

ACTIVE S UP P LY CURRENT vs LOW FREQUENCY
- MHz - Temperature =

ICC mA

Frequency MHz

Figure Active Supply Current vs. frequency 1 - 20 MHz - Temp.=25°C

ACTIVE S UP P LY CURRENT vs FREQUENCY
1 - 20 MHz - Temperature =

ICC mA

Frequency MHz

Figure Active Supply Current vs. frequency 1 - 20 MHz - Temp.=125°C

ACTIVE S UP P LY CURRENT vs FREQUENCY
1 - 20 MHz - Temperature =

ICC mA

Frequency MHz

Figure Active Supply Current vs. VCC Internal RC Oscillator, 8 MHz

ACTIVE S UP P LY CURRENT vs VCC

INTERNAL RC OSCILLATOR, 8 MHz

ICC mA

VCC V
125 85 25 -45
206 ATA8743

ATA8743

Figure Active Supply Current vs. VCC Internal RC Oscillator, 1 MHz

ACTIVE S UP P LY CURRENT vs VCC

INTERNAL RC OSCILLATOR, 1MHz

ICC mA

VCC V
125 85 25 -40

Figure Active Supply Current vs. VCC Internal RC Oscillator, 128 kHz

ACTIVE S UP P LY CURRENT vs VCC
Ordering Information

Extended Type Number ATA8743-PXQW

Package QFN24 5 mm x 5 mm

Remarks Microcontroller with UHF Tx for 868 MHz to 928 MHz

Package Information

Package QFN 24 - 5 x 5 Exposed pad x acc. JEDEC OUTLINE No. MO-220 Dimensions in mm Not indicated tolerances

Drawing-No. Issue 1;
19 18
13 12
nom.
technical drawings according to DIN specifications

History
9152B-INDCO-02/10
• Section 7 “Electrical Characteristics” on page 10 changed
• Section 35 “Ordering Information” on page 237 changed

Headquarters

Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel 1 408 441-0311 Fax 1 408 487-2600

International

Atmel Asia Unit 1-5 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel 852 2245-6100 Fax 852 2722-1369

Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-en-Yvelines Cedex France Tel 33 1-30-60-70-00 Fax 33 1-30-60-71-11

Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel 81 3-3523-3551 Fax 81 3-3523-7581

Product Contact

Web Site

Literature Requests

Technical Support

Sales Contact

Disclaimer The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.
2010 Atmel Corporation. All rights reserved. Atmel logo and combinations thereof, AVR and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others.

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ATA8743-PXQW Datasheet file may be downloaded here without warranties.

Datasheet ID: ATA8743-PXQW 519238