M44C890-H Datasheet (Atmel) - (M44C890-H / M44C090-H) Low Current Microcontroller

M44C890-H, (M44C890-H / M44C090-H) Low Current Microcontroller

Name VDD VSS nc nc BP20 BP21 BP22 BP23 BP40 BP41 BP42 BP43 Type Function Supply voltage Circuit ground Not connected Not connected Bidirectional I/O Bidirectional I/O Bidirectional I/O Bidirectional I/O Bidirectional I/O Alternate Function * * * * * *

M44C090-H M44C890-H Low-Current Microcontroller for Wireless Communication The M44C090-H and M44C890-H are members of Atmels family of 4-bit single-chip microcontrollers.

They offer highest integration for IR and RF data communication and remote-control applications.

The M44C090-H / M44C890-H is suitable for the transmitter side.

It contains ROM, RAM, parallel I/O ports, one 8-bit programmable multifunction timer/counter with modulator function, voltage supervisor, interval timer with watchdog f

M44C890-H Features

* / Benefits D Extended temperature range for high temperature up to 105_C D 2-Kbyte ROM, 256 x 4-bit RAM D 12 bidirectional I/Os D Up to 6 external / internal interrupt sources D Multifunction timer/counter with

* IR remote control carrier generator

* Biphase-, Manchester- and pulse-w