ST62T45B Datasheet, PDF (1/72 Pages) STMicroelectronics – 8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

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ST62T45B/E45B
8-BIT OTP/EPROM MCU WITH LCD DRIVER,
EEPROM AND A/D CONVERTER
s 3.0 to 6.0V Supply Operating Range
s 8 MHz Maximum Clock Frequency
s -40 to +85°C Operating Temperature Range
s Run, Wait and Stop Modes
s 5 Interrupt Vectors
s Look-up Table capability in Program Memory
s Data Storage in Program Memory:
User selectable size
s Data RAM: 128 bytes
s Data EEPROM: 128 bytes
s User Programmable Options
s 19 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
– LCD segments (8 combiport lines)
s 4 I/O lines can sink up to 20mA to drive LEDs or
TRIACs directly
s Two 8-bit Timer/Counter with 7-bit
programmable prescaler
s Digital Watchdog
s 8-bit A/D Converter with 7 analog inputs
s 8-bit Synchronous Peripheral Interface (SPI)
s LCD driver with 24 segment outputs, 4
backplane outputs and selectable multiplexing
ratio.
s 32kHz oscillator for stand-by LCD operation
s On-chip Clock oscillator can be driven by Quartz
Crystal or Ceramic resonator
s One external Non-Maskable Interrupt
s ST6245-EMU2 Emulation and Development
System (connects to an MS-DOS PC via a
parallel port).
DEVICE SUMMARY
DEVICE
ST62T45B
ST62E45B
OTP
(Bytes)
3884
EPROM
(Bytes)
-
3884
I/O Pins
11 to 19
11 to 19
PQFP52
CQFP52W
(See end of Datasheet for Ordering Information)
Rev. 2.3
March 1998
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