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Table Of Contents

Features
Description
Pin Configuration
Pin Description: RF Part
Pin Description: Microcontroller Part
UHF ASK/FSK Transmitter Block
Features
Description
General Description
Functional Description
- ASK Transmission
- FSK Transmission
- CLK Output
  - Clock Pulse Take Over
  - Output Matching and Power Setting
- Application Circuit
Absolute Maximum Ratings
Thermal Resistance
Electrical Characteristics
Microcontroller Block
Features
Description
Introduction
- Differences between T48C862-R8 and ATAR862 Microconrtollers
Microcontroller Architecture General Description
Components of Microcontroller Core
- Program Memory
- RAM
  - Expression Stack
  - Return Stack
- Registers
- ALU
- I/O Bus
- Instruction Set
- Interrupt Structure
  - Interrupt Processing
  - Interrupt Latency
- Software Interrupts
- Hardware Interrupts
Master Reset
- Power-on Reset and Brown-out Detection
  - Watchdog Reset
  - External Clock Supervisor
Voltage Monitor
- Voltage Monitor Control/Status Register
Clock Generation
- Clock Module
- Oscillator Circuits and External Clock Input Stage
- Clock Management
  - Clock Management Register (CM)
  - System Configuration Register (SC)
Power-down Modes
Peripheral Modules
- Addressing Peripherals
Bi-directional Ports
- Bi-directional Port 1
- Bi-directional Port 2
  - Port 2 Data Register (P2DAT)
  - Port 2 Control Register (P2CR)
- Bi-directional Port 5
  - Port 5 Data Register (P5DAT)
  - Port 5 Control Register (P5CR) Byte Write
- Bi-directional Port 4
  - Port 4 Data Register (P4DAT)
  - Port 4 Control Register (P4CR) Byte Write
- Bi-directional Port 6
  - Port 6 Data Register (P6DAT)
  - Port 6 Control Register (P6CR)
- Universal Timer/Counter/ Communication Module (UTCM)
- Timer 1
- Timer 2
- Timer 2 Modes
- Timer 2 Output Modes
- Timer 2 Output Signals
- Timer 2 Registers
Timer 3
- Features
- Timer/Counter Modes
- Timer 3 Modulator/Demodulator Modes
- Timer 3 Modulator for Carrier Frequency Burst Modulation
- Timer 3 Demodulator for Biphase, Manchester and Pulse-width-modulated Signals
- Timer 3 Registers
- Timer 3 Capture Register
  - Timer 3 CaPture Register (T3CP) Byte Read
- Synchronous Serial Interface (SSI)
- Serial Interface Registers
Combination Modes
- Combination Mode Timer 2 and SSI
- Combination Mode Timer 3 and SSI
- Combination Mode Timer 2 and Timer 3
  - Combination Mode 10: Frequency Measurement or Event Counter with Time Gate
  - Combination Mode 11: Burst Modulation 1
- Combination Mode Timer 2, Timer 3 and SSI
  - Combination Mode 12: Burst Modulation 2
  - Combination Mode 13: FSK Modulation
- Data EEPROM
- Serial Interface
  - Serial Protocol
  - Control Byte Format
- EEPROM
- Initialization the Serial Interface to the EEPROM
Absolute Maximum Ratings
Thermal Resistance
DC Operating Characteristics
AC Characteristics
Crystal Characteristics
Ordering Information
Package Information
Table of Contents

T48C862-R8

4590B–4BMCU–02/03

File: _____________________ . HEX CRC: ____________________ . HEX

Approval Date: _________________ Signature: _________________________

Ordering Information

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

BP53 [ ] CMOS [ ] Switched pull-up

BP21 [ ] 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 6

BP22 [ ] CMOS [ ] Switched pull-up BP60 [ ] 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

BP23 [ ] CMOS [ ] Switched pull-up BP63 [ ] 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 4

BP40 [ ] CMOS [ ] Switched pull-up OSC1

[ ] Open drain [N] [ ] Switched pull-down [ ] No integrated capacitance

[ ] Open drain [P] [ ] Static pull-up [ ] Internal capacitance (0 to 20 pF) [ _____pF]

[ ] Static pull-down

OSC2

BP41 [ ] CMOS [ ] Switched pull-up [ ] No integrated capacitance

[ ] Open drain [N] [ ] Switched pull-down [ ] Internal capacitance (0 to 20 pF) [ _____pF]

[ ] Open drain [P] [ ] Static pull-up

[ ] Static pull-down

Clock Used

BP42 [ ] CMOS [ ] Switched pull-up [ ] External resistor

[ ] Open drain [N] [ ] Switched pull-down [ ] External clock

[ ] Open drain [P] [ ] Static pull-up [ ] 32-kHz crystal

[]Static pull-down []4-MHz crystal

BP43 [ ] CMOS [ ] Switched pull-up

[ ] Open drain [N] [ ] Switched pull-down

ECM (External Clock Monitor)

[ ] Open drain [P] [ ] Static pull-up [ ] Enable

[ ] Static pull-down [ ] Disable