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August 2003 1/84
Rev. 2.7
ST62T32B
ST62E32B
8-BIT OTP/EPROM MCUs WITH A/D CONVERTER,
16-BIT AUTO-RELOAD TIMER, EEPROM, SPI AND UART
■ 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
■ 30 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
■ 9 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 21 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)
PSDIP42
PQFP52
CDIP42W
DEVICE
OTP
(Bytes)
EPROM
(Bytes)
EEPROM
(Bytes)
I/O Pins
ST62T32B 7948 - 128 30
ST62E32B 7948 128 30
