ST62T42B ST Microelectronics, ST62T42B Datasheet - Page 65

• Manufacturer Part Number: ST62T42B
• Description: 8-BIT OTP/EPROM MCU WITH LCD DRIVER / EEPROM AND A/D CONVERTER
• Manufacturer: ST Microelectronics

DEVICE SUMMARY
August 1999
3.0 to 6.0V Supply Operating Range
8 MHz Maximum Clock Frequency
-40 to +85 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
18 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)
4 I/O lines can sink up to 20mA to drive LEDs or
TRIACs directly
Two
programmable prescaler
Digital Watchdog
8-bit A/D Converter with 6 analog inputs
8-bit Synchronous Peripheral Interface (SPI)
LCD driver with 40 segment outputs, 4
backplane outputs and selectable multiplexing
ratio.
On-chip Clock oscillator can be driven by Quartz
Crystal or Ceramic resonator
One external Non-Maskable Interrupt
ST6242-EMU2 Emulation and Development
System (connects to an MS-DOS PC via a
parallel port).
ST6242B
DEVICE
8-bit
Timer/Counter
(Bytes)
ROM
7948
with
I/O Pins
10 to 18
8-BIT ROM MCU WITH LCD DRIVER,
7-bit
EEPROM AND A/D CONVERTER
(See end of Datasheet for Ordering Information)
PQFP64
ST6242B
Rev. 2.6
65/68
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