INTRODUCTION

The ST72589W and ST72389W Microcontroller Units are members of the ST7 family of Microcontrollers dedicated to high-end applications with LCD driver capability.

■ 16K ROM or 24 Kbytes EPROM/OTP/FASTROM

■ Master Reset and Power-on Reset

■ Low consumption resonator main oscillator

■ Auxiliary 32-kHz resonator oscillator

■ 4 Power saving modes

■ Nested interrupt controller

■ NMI dedicated non maskable interrupt pin

■ 31 multifunctional bidirectional I/O lines with:

– external interrupt capability (5 vectors)

– 21 alternate function lines

■ LCD driver with 60 segment outputs and 8 backplane outputs able to drive up to 60x8 (480) or 60x4 (240) LCD displays

■ Real time base, Beep and Clock-out capabilities

■ Software watchdog reset

■ Two 16-bit timers with:

– 2 input captures

– 2 output compares

– external clock input on one timer

– PWM and Pulse generator modes

■ 10-bit PWM (DAC) with 4 dedicated output pins

■ SPI synchronous serial interface

■ SCI asynchronous serial interface

■ I2C multi master / slave interface

■ CAN interface

■ 8-bit ADC with 5 dedicated input pins

■ 8-bit Data Manipulation

■ 63 Basic Instructions

■ 17 main Addressing Modes

■ 8 x 8 Unsigned Multiply Instruction

■ True Bit Manipulation

■ Full hardware/software development package