ST7285C Datasheet, PDF (1/117 Pages) STMicroelectronics – 8-BIT MCU FOR RDS WITH 48K ROM, 3K RAM, ADC, TWO TIMERS, TWO SPIs, I2C AND SCI INTERFACES

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ST7285C
8-BIT MCU FOR RDS WITH 48K ROM, 3 K RAM, ADC,
TWO TIMERS, TWO SPIs, I²C AND SCI INTERFACES
s 4.5V to 5.5V Supply Operating Range
s Operates at 8.664MHz Oscillator Frequency for
RDS compatibility
s Fully Static operation
s -40°C to + 85°C Maximum Operating
Temperature Range
s Run, Wait, Slow, Halt and RAM Retention
modes
s User ROM: 48 Kbytes
s Data RAM: 3 Kbytes, including 128 byte stack
s 80 pin plastic package
s 62 multifunctional bidirectional I/O lines:
– Programmable Interrupt inputs on some I/Os
– 8 Analog inputs
– EMI filtering
s Two 16-bit Timers, each featuring:
– 2 Input Captures
– 2 Output Compares
– External Clock input (on Timer A)
– PWM and Pulse Generator modes
s RDS Radio Data System Filter, Demodulator
and GBS circuits
s 8-bit Analog-to-Digital converter with 8 channel
analog multiplexer
s Digital Watchdog
s Two SPI Serial Peripheral Interfaces
s SCI Serial Communications Interface
s Full I²C multiple Master/ Slave interface
s 2KHz Beep signal generator
s Master Reset and Power-On Reset
s 8-bit Data Manipulation
s 63 Basic Instructions
s 17 main Addressing Modes
s 8 x 8 Unsigned Multiply Instruction
s True Bit Manipulation
s Complete Development Support on PC/DOS/
Windows^TM Real-Time Emulator
s Full Software Package (C-Compiler, Cross-
Assembler, Debugger)
November 1997
PQFP80
Rev. 1.0
1/117
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