PCB80C39

The PCB80C39 is a kind of single-chip 8-bit CMOS microcontroller. Without resident program memory, PCB80C39 is intended for use with external EPROM/ROM, 128*8 RAM. PCB80C39 is designed to be efficient control processors as well as arithmetric processors. The instruction set allows the user to directly set and reset individual I/O, and to test individual bits within the accumulator. The typical applications include: peripheral interfaces and controllers; test and measurement instruments; sequencers; audio/video systems; enviromental control systems; modems and data enciphering.

There are some features of PCB80C39 as follows: (1)8-bit CPU, ROM, RAM, I/O in a single 40-pin package; (2)internal counter/timer; (3)internal oscillator, clock driver; (4)single-level interrupts: external and counter/timer; (5)17 internal registers: accumulator, 16 addressable registers; (6)over 90 instructions: 70% single byte; (7)all instructions: 1 or 2 cycles; (8)easily expandable memory and I/O; (9)TLL compatible inputs and outputs; (10)single 5 V supply; (11)wide frequency operating range; (12)low current consumption; (13)available with extended temperature ranges: PCB version: 0 to +70; PCF version: -40 to +85; PCA version: -40 to +110; (14)frequency range: 1 to 15 MHz for all temperature ranges.

Then is about the limiting values of PCB80C39: (1)input, output current on any single pin, II, IO: ±10 mA max; (2)total power dissipation, Ptot: 0.5 W max; (3)storage temperature range, Tstg: -65 to +150; (4)operating ambient temperature range, Tamb: PCB version: 0 to +70; PCF version: -40 to +85; PCA version: -40 to +110.