ST72T85C

R ST7285C 8-BIT MCU FOR RDS WITH 48K ROM, 3 K RAM, ADC, TWO TIMERS, TWO SPIs, I2C AND SCI INTERFACES s s s s s s s s s s s s s s s s s s s s s s s s s 4.5V to 5.5V Supply Operating Range Operates at 8.664MHz Oscillator Frequency for RDS compatibility Fully Static operation -40°C to + 85°C Maximum Operating Temperature Range Run, Wait, Slow, Halt and RAM Retention modes User ROM: 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 Two SPI Serial Peripheral Interfaces 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, CrossAssembler, Debugger) PQFP80 Rev. 1.0 November 1997 1/117 1 Table of Contents ST7285C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1 GENERAL DESCRIPTION . . . . ...