FEATURES
Program Memory - bytes EEPROM - bytes RAM (stack) - bytes Peripherals Operating Supply CPU Frequency Temperature Range Package ST72T331J2 8K ST72T331J4 16K 256 ST72T331N2 8K ST72T331N4 16K 384 (256) 512 (256) 384 (256) 512 (256) Watchdog, Timers, SPI, SCI, ADC and optional Low Voltage Detector Reset 3 to 5.5 V 8MHz max (16MHz oscillator) - 4MHz max over 85°C - 40°C to + 125°C TQFP44 - SDIP42 TQFP64 - SDIP56 Note: September 1999 Rev. 1.7 1/106 1 Table of Contents ST72E331/ST72T331 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 GENERAL DESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 PIN DESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.3 EXTERNAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STMicroelectronics
