STMicroelectronics ST72631
LOW SPEED USB 8-BIT MCU
FEATURES
ROM - OTP (bytes) ST72631 16K ST72632 8K ST72633 4K RAM (stack) - bytes Peripherals 512 (64) Watchdog, 16-bit timer, SCI, I2C, ADC, USB 256 (64) Watchdog, 16-bit timer, Watchdog, 16-bit timer, SCI, ADC, USB ADC, USB Operating Supply 4.0V to 5.5V CPU frequency 8 Mhz (with 24 MHz oscillator) or 4 MHz (with 12 MHz oscillator) Operating temperature 0°C to +70°C Packages EPROM device SO34/SDIP32 ST72E631 1 (CSDIP32W) Note 1: EPROM version for development only Rev. 1.8 August 2000 1/109 1 Table of Contents 1GENERAL DESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 PINDESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.3 EXTERNAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .