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