ST62T80B datasheet(75/78 Pages) STMICROELECTRONICS

75 / 78 page

August 1999

75/78

Rev. 2.5

ST6280B

8-BIT OTP/EPROM MCU WITH LCD DRIVER,

EEPROM AND A/D CONVERTER

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

22 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

8-bit

Timer/Counter

with

7-bit

programmable prescaler

Digital Watchdog

8-bit A/D Converter with 12 analog inputs

8-bit Synchronous Peripheral Interface (SPI)

8-bit Asynchronous Peripheral Interface (UART)

LCD driver

with 45

segment outputs,

backplane outputs and selectable multiplexing

ratio.

32kHz oscillator for stand-by LCD operation

Power Supply Supervisor (PSS)

On-chip Clock oscillator can be driven by Quartz

Crystal or Ceramic resonator

One external Non-Maskable Interrupt

ST6240-EMU2 Emulation and Development

System (connects to an MS-DOS PC via a

parallel port).

DEVICE SUMMARY

(See end of Datasheet for Ordering Information)

PQFP100

DEVICE

ROM

(Bytes)

I/O Pins

ST62T80B

7948

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