General Description

The AMIC A83516 is a high-performance 8-bit microcontroller. It is compatible with the industry standard 80C52 microcontroller series. The A83516 contains a 256B RAM, 64KB X 8 ROM, four 8-bit bidirectional parallel ports, three 16-bit timer/counters, a serial port and six interrupt sources with two priority levels.

The A83516 has two power reduction modes, idle mode and power-down mode. It supports 64KB external data memory.

Features

8-bit CMOS microcontroller

Fully static design with power saving idle mode and power down mode

Low standby current at full supply voltage

Versions for 12/24/40MHZ operating frequency

On chip 256B RAM

On chip 64KB X 8 MASK-ROM program memory

64K bytes external data memory space

Four 8-bit bidirectional ports

Three 16-bit Timers/Counters (Timer 2 with up/down counter feature)

One full duplex serial port

Boolean processor

Six interrupt sources, two priority levels

Available in 40-pin P-DIP and 44-pin PLCC packages