Features
■ 3.0 to 6.0V Supply Operating Range
■ 8 MHz Maximum Clock Frequency
■ -40 to +125°C Operating Temperature Range
■ Run, Wait and Stop Modes
■ 5 Interrupt Vectors
■ Look-up Table capability in Program Memory
■ Data Storage in Program Memory: User selectable size
■ Data RAM: 192 bytes
■ Data EEPROM: 128 bytes
■ User Programmable Options
■ 20 I/O pins, fully programmable as:
■ Input with pull-up resistor
■ Input without pull-up resistor
■ Input with interrupt generation
■ Open-drain or push-pull output
■ Analog Input
■ 4 I/O lines can sink up to 20mA to drive LEDs or TRIACs directly
■ 8-bit Timer/Counter with 7-bit programmable prescaler
■ 16-bit Auto-reload Timer with 7-bit programmable prescaler (AR Timer)
■ Digital Watchdog
■ 8-bit A/D Converter with 16 analog inputs
■ 8-bit Synchronous Peripheral Interface (SPI)
■ 8-bit Asynchronous Peripheral Interface (UART)
■ On-chip Clock oscillator can be driven by Quartz Crystal or Ceramic resonator
■ Oscillator Safe Guard
■ One external Non-Maskable Interrupt
■ ST623x-EMU2 Emulation and Development System (connects to an MS-DOS PC via a parallel port). DEVICE SUMMARY (See end of Datasheet for Ordering Information) PDIP28 PS028 CDIP28W DEVICE OTP (Bytes) EPROM (Bytes) I/O Pins ST62T30B
■ 7948
■ 20 ST62E30B 7948 20 17