ST7285C datasheet(97/117 Pages) STMICROELECTRONICS

97 / 117 page

November 1997

97/117

Rev. 1.0

ST72E85

ST72T85

8-BIT MCU FOR RDS WITH 48 K EPROM/OTP, 3K RAM,

ADC, TWO TIMERS, SPI, I

2C AND SCI INTERFACES

4.5V to 5.5V Supply Operating Range

Operation at 8.664MHz Oscillator Frequency

for RDS compatibility

Fully Static operation

-40

°Cto + 85°C Maximum Operating

Temperature Range

Run, Wait, Slow, Halt, and RAM Retention

modes

User EPROM/OTP: 48 Kbytes

Data RAM: 3 Kbytes, including 128 byte stack

80 pin plastic package

62 multifunctional bidirectional I/O lines:

– Programmable Interrupt inputs on some I/Os

– 8 Analog inputs

– EMI Filtering

Two 16-bit Timers, each featuring:

– 2 Input Captures

– 2 Output Compares

– External Clock input (on Timer A)

– PWM and Pulse Generator modes

RDS Radio Data System Filter, Demodulator

and GBS circuits

8-bit Analog-to-Digital converter with 8 channel

analog multiplexer

Digital Watchdog

Dual SPI Serial Peripheral Interface

SCI Serial Communications Interface

Full I2C multiple Master/ Slave interface

2KHz Beep signal generator

Master Reset and Power-On Reset

8-bit Data Manipulation

63 Basic Instructions

17 main Addressing Modes

8 x 8 Unsigned Multiply Instruction

True Bit Manipulation

Complete Development Support on PC/DOS/

WindowsTM Real-Time Emulator

Full Software Package (C-Compiler, Cross-

Assembler, Debugger)

CQFP80-W

PQFP80

ST7285C Datenblatt(PDF) 97 Page - STMicroelectronics

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