T48C862M-R4-TNS

T48C862M-R4-TNS Datasheet


The T48C862-R4 is a single package dual-chip circuit. It combines a UHF ASK/FSK transmitter with a 4-bit microcontroller. It supports highly integrated solutions in car access and tire pressure monitoring applications, as well as manifold applications in the industrial and consumer segment. It is available for the transmitting frequency range of 429 MHz to 439 MHz with data rates up to 32 kbaud Manchester coded.

Part Datasheet
T48C862M-R4-TNS T48C862M-R4-TNS T48C862M-R4-TNS (pdf)
Related Parts Information
T48C862M-R4-TNQ T48C862M-R4-TNQ T48C862M-R4-TNQ
PDF Datasheet Preview
• Single Package Fully-integrated 4-bit Flash Microcontroller with RF Transmitter
• Low Power Consumption in Sleep Mode < 1 µA Typically
• Maximum Output Power 10 dBm with Low Supply Current mA Typically
• V to V Operation Voltage for Single Li-cell Power Supply
• -40° C to +125° C Operation Temperature
• SSO24 Package
• About Seven External Components

The T48C862-R4 is a single package dual-chip circuit. It combines a UHF ASK/FSK transmitter with a 4-bit microcontroller. It supports highly integrated solutions in car access and tire pressure monitoring applications, as well as manifold applications in the industrial and consumer segment. It is available for the transmitting frequency range of 429 MHz to 439 MHz with data rates up to 32 kbaud Manchester coded.

For further frequency ranges such as 310 MHz to 330 MHz and 868 MHz to 928 MHz separate datasheets are available.

The device contains a flash microcontroller.

Figure Application Diagram

T48C862

Micro-

PLL-
controller

Transmitter

Keys

Antenna

UHF ASK/FSK Receiver

Microcontroller

Microcontroller with UHF ASK/FSK Transmitter

T48C862-R4

Pin Configuration

Figure Pinning SSO24

XTAL 1 VS 2

GND 3 ENABLE 4 NRESET 5 BP63/T3I 6 BP20/NTE 7

BP23 8 BP41/T2I/VMI 9

BP42/T2O 10 BP43/SD/INT3 11

VSS 12
24 ANT1 23 ANT2 22 PA_ENABLE 21 CLK 20 BP60/T3O 19 OSC2 18 OSC1 17 BP50/INT6 16 BP52/INT1 15 BP53/INT1 14 BP40/SC/INT3 13 VDD

Pin Description RF Part

Function

XTAL

Connection for crystal

Supply voltage

Ground

ENABLE

Enable input

Configuration
1.5k
1.2k

XTAL
182 µA

ESD protection circuitry see Figure 8 on page 11 ESD protection circuitry see Figure 8 on page 11

ENABLE
200k
2 T48C862-R4 [Preliminary]
Option Settings for Ordering

Please select the option settings from the list below and insert ROM CRC.

Output

Input

Output

Input

Port 1

Port 5

BP10 [ ] CMOS
[ ] Switched pull-up

BP50 [ ] CMOS
[ ] Switched pull-up
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [P] [ ] Static pull-up
[ ] Open drain [P]
[ ] Static pull-up
[ ] Static pull-down
[ ] Static pull-down

BP13 [ ] CMOS
[ ] Switched pull-up

BP51 [ ] CMOS
[ ] Switched pull-up
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [P] [ ] Static pull-up
[ ] Open drain [P]
[ ] Static pull-up
[ ] Static pull-down
[ ] Static pull-down

Port 2

BP52 [ ] CMOS
[ ] Switched pull-up

BP20 [ ] CMOS
[ ] Switched pull-up
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [N] [ ] Switched pull-down
[ ] Open drain [P]
[ ] Static pull-up
[ ] Open drain [P] [ ] Static pull-up
[ ] Static pull-down
Ordering Information

Extended Type Number 1

T48C862x-Rf-TNQ

T48C862x-Rf-TNS

Note:

Program Memory 4 kB Flash 4 kB Flash

Data-EEPROM 2 x 512 bit 2 x 512 bit

Package Information

Package SSO24

Dimensions in mm

Package SSO24

Delivery Taped and reeled Tubes
technical drawings according to DIN specifications
100 T48C862-R4 [Preliminary]

T48C862-R4 [Preliminary]

Table of Contents

Description 1

Pin 2

Pin Description RF Part 2

Pin Description Microcontroller Part 3

UHF ASK/FSK Transmitter Block 4

Description 4

General 6

Functional 6

ASK Transmission 6 FSK Transmission 6 CLK Output 7

Clock Pulse Take Over Output Matching and Power Setting Application Circuit 8

Absolute Maximum Ratings RF 11

Thermal 11

Electrical 11

Microcontroller 13

Description 13

Differences between T48C862-R4 and ATAR862 Microcontrollers 13 Program Memory Configuration Memory Data Memory Reset Function

MARC4 Architecture General 14

Components of MARC4 Core 14

Program Memory 14 15

Expression Stack Return Stack 16 Program Counter PC RAM Address Registers Expression Stack Pointer SP Return Stack Pointer RP RAM Address Registers X and Y Top of Stack TOS Condition Code Register CCR Carry/Borrow C Branch B Interrupt Enable I 18 I/O 18 Instruction 18 Interrupt 18 Interrupt Processing Interrupt Latency Software Interrupts 20 Hardware Interrupts 20

Master Reset 21

Power-on Reset and Brown-out Detection 21 Watchdog Reset External Clock Supervisor

Voltage 22

Voltage Monitor Control/Status Register

Clock Generation 24
Option Settings for Ordering 99 Ordering 100 Package Information 100 Table of Contents 101
106 T48C862-R4 [Preliminary]

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Literature Requests

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Datasheet ID: T48C862M-R4-TNS 519403