ATA5505-P3QW

ATA5505-P3QW Datasheet


123 Powerful Instructions - Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation<br>• Non-volatile Program and Data Memories 16Kbyte of In-system Programmable ISP Program Memory Flash

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• High Performance, Low Power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture
123 Powerful Instructions - Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation
• Non-volatile Program and Data Memories 16Kbyte of In-system Programmable ISP Program Memory Flash
• Endurance 10,000 Write/Erase Cycles 512Bytes In-system Programmable EEPROM
• Endurance 100,000 Write/Erase Cycles 512Bytes Internal SRAM Programming Lock for Self-programming Flash Program and EEPROM Data

Security Low Size LIN/UART Software In-system Programmable
• Peripheral Features LF-RFID Reader/Writer Front End
• Carrier Frequency fOSC = 100kHz to 150kHz
• Typical Data Rate up to 5Kbaud at 125kHz
• Suitable for Manchester anf Biphase Modulation
• Does not Require an External Crystal
• Power Supply from the Car Battery or from 5V Regulated Voltage
• Optimized for Car Immobilizer Applications
• Tuning Capability LIN and Controller or 8-bit UART 8-bit Asynchronous Timer/Counter 0
• 10-bit Clock Prescaler
• 1 Output Compare or 8-bit PWM Channel 16-bit Synchronous Timer/Counter 1
• 10-bit Clock Prescaler
• External Event Counter
• 2 Output Compares Units or 16-bit PWM Channels each Driving up to 4 Output

Pins Master/Slave SPI Serial Interface Universal Serial Interface USI with Start Condition Detector Master/Slave SPI,

TWI, 10-bit ADC:
• 11 Single-ended Channels
• 8 Differential ADC Channel Pairs with Programmable Gain 8x or 20x On-chip Analog Comparator with Selectable Voltage Reference 100µA ±10% Current Source LIN Node Identification On-chip Temperature Sensor Programmable Watchdog Timer with Separate On-chip Oscillator
125kHz LF Reader/Writer with Integrated Atmel AVR Microcontroller

Atmel ATA5505
• Special Microcontroller Features Dynamic Clock Switching External/Internal RC/Watchdog Clock for Power Control, EMC Reduction DebugWIRE On-chip Debug OCD System Hardware In-System Programmable ISP via SPI Port External and Internal Interrupt Sources Interrupt and Wake-up on Pin Change Low Power Idle, ADC Noise Reduction, and Power-down Modes Enhanced Power-on Reset Circuit Programmable Brown-out Detection Circuit Internal Calibrated RC Oscillator 8MHz 4-16 MHz and 32 KHz Crystal/Ceramic Resonator Oscillators
• Operating Voltage 7 to 16V to 5.5V Internal Voltage Regulator available for Digital and Logic
• Operating Temperature to +85°C
• Access Control Units
• Animal Identification
• Component Authetication
• Brand Protection
• Automation
• Industrial
• Waste Management
• Process Control
2 Atmel ATA5505 [Preliminary]

Atmel ATA5505 [Preliminary]

The ATA5505 is an Atmel microcontroller with LF-RFID reader/writer front end and LIN interface for low cost network applications.

The Atmel ATA5505 incorporates the energy-transfer circuit for supplying the transponder. It consists of an on-chip power supply, an oscillator, and a coil driver optimized for automotive-specific distances. It also includes all signal-processing circuits which are necessary to transform the small input signal into a microcontroller-compatible signal.

The Atmel ATA5505 integrates a low-power CMOS 8-bit microcontroller based on the Atmel AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATA5505 achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed.

The Atmel AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit ALU , allowing two independent registers to be accessed in a single instruction executed in one clock cycle. The resulting architecture is more code-efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.

The Atmel ATA5505 provides the following features 16K byte of in-system programmable Flash, 512bytes EEPROM, 512bytes SRAM, 16 general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high speed timer/counter, a universal serial interface, a LIN controller, internal and external interrupts, an 11-channel, 10-bit ADC, a programmable watchdog timer with internal oscillator, and three software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, timer/counter, ADC, analog comparator, and interrupt system to continue functioning. Power-down mode saves the register contents, disabling all chip functions until the next interrupt or hardware reset. To minimize switching noise during ADC conversions, ADC noise reduction mode stops the CPU and all I/O modules except ADC,

The device is manufactured using Atmel’s high-density non-volatile memory technology. The on-chip ISP Flash allows the program memory to be re-programmed in-system via an SPI serial interface, by a conventional non-volatile memory programmer or by an on-chip boot code running on the Atmel AVR core. The boot program can use any interface to download the application program in the Flash memory. By combining an 8-bit RISC CPU with in-system self-programmable Flash on a monolithic chip, the Atmel ATA5505 is a powerful microcontroller providing a highly flexible and cost-effective solution to many embedded control applications.

The Atmel ATA5505 AVR is supported with a full suite of program and system development tools including C compilers, macro assemblers, program debuggers/simulators, in-circuit emulators, and evaluation kits.

System Block Diagram

The system block diagram for a stand alone reader application is shown in Figure No additional microcontroller is required..

Figure System Block Diagram - Stand Alone Reader

T/ATA5551 ATA5557/67 ATA5577 ATA5558 ATA5575 Q5

Successor

Atmel ATA5505

Frontend NF

Read Channel

Core

Immobilizer Stack

A system block diagram for a reader station application with a LIN transceiver IC is shown in Figure The reader is then communicating with a central unit.

Figure System Block Diagram - Reader with LIN Connection

Reader

T/ATA5551 ATA5557/67 ATA5577 ATA5558 ATA5575 Q5

Successor

Atmel ATA5505

Frontend NF
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 versus Low Frequency - 1.0MHz

ICC mA

ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY

PRR=0xFF / ATD ON

Frequency MHz
270 Atmel ATA5505 [Preliminary]

Atmel ATA5505 [Preliminary]

Figure Active Supply Current vs. Frequency 1MHz

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

ICC mA

ACTIVE SUPPLY CURRENT vs. VCC

INTERNAL RC OSCILLATOR 8MHz No ATD influence

VCC V

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

ICC mA

ACTIVE SUPPLY CURRENT vs. VCC

INTERNAL RC OSCILLATOR 128 KHz / ATD ON

VCC V

Idle Supply Current

Figure Idle Supply Current vs. Frequency 1MHz

IDLE SUPPLY CURRENT vs. FREQUENCY

NO POWER REDUCTION ENABLED

ICC mA

Frequency MHz
272 Atmel ATA5505 [Preliminary]

Atmel ATA5505 [Preliminary]

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

IDLE SUPPLY CURRENT vs. VCC

INTERNAL RC OSCILLATOR 8MHz 3

ICC mA

VCC V

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

ICC mA

IDLE SUPPLY CURRENT vs. VCC

INTERNAL RC OSCILLATOR 125 KHz

VCC V

Supply Current of I/O modules

The table below can be used to calculate the additional current consumption for the different I/O modules Idle mode. The enabling or disabling of the I/O modules are controlled by the Power Reduction Register. See Section “PRR Power Reduction Register” on page 51 for details.
Ordering Information

Extended Type Number ATA5505-P3QW

Package Information

Package QFN38 5 mm x 7 mm

Remarks Green package, 16k flash

Top View D

PIN 1 ID
technical drawings according to DIN specifications

Dimensions in mm

Side View

Bottom View D2
13 12
19 20
31 32

Z 10:1

COMMON DIMENSIONS Unit of Measure = mm

Symbol MIN NOM MAX NOTE

TITLE Package Drawing Contact Package VQFN_5x7_38L Exposed pad 3.6x5.6

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Datasheet ID: ATA5505-P3QW 519172