ST62T94M8

ST6294 8-BIT HCMOS MCU WITH A/D CONVERTER, EEPROM & AUTO-RELOAD TIMER PRELIMINARY DATA 3 to 6.0V Supply Operating Range 8 MHz Maximum Clock Frequency -25 to +85°C Operating Temperature Range Run, Wait & Stop Modes 5 different interrupt vectors Look-up table capability in ROM User ROM: 3868 bytes Data ROM: User selectable size (in program ROM) Data RAM: 128 bytes EEPROM: 128 bytes PDIP28, PSO28 packages 21 fully software programmable I/O as: – Input with pull-up resistor – Input without pull-up resistor – Input with interrupt generation – Open-drain or push-pull outputs – Analog Inputs 8 I/O lines can sink up to 20mA for direct LED or TRIAC driving 8 bit counter with a 7-bit programmable prescaler (Timer1) 8 bit auto-reload timer with 7-bit programmable prescaler (AR Timer) Digital Watchdog 8 bit A/D Converter with up to 13 analog inputs 8 bit Synchronous Peripheral Interface (SPI) On-chip clock oscillator (Quartz Crystal or Ceramic) Power-on Reset Clock output 9 powerful addressing modes The development tool of the ST6294 microcontrollers consists of the ST626x-EMU emulation and development system connected via a standard RS232 serial line to an MS-DOS Personal Computer 1 PDIP28 1 PSO28 (Ordering Information at the end of the datasheet) October 1993 This is Preliminary Data from SGS-THOMSON. Details are subject to change without notice. 1/26 ST6294 Figure 1. ST6294 Pin Configuration PB0 PB1 TEST PB2 PB3 PB4 PB5 ARTIMin / PB6 ARTIMout / PB7 Ain...