PCB83C654 microcontroller equivalent, cmos single-chip 8-bit microcontroller.
* 80C51 central processing unit
* 16k × 8 ROM expandable externally to
64k bytes
* 256 × 8 RAM, expandable externally to
64k bytes
* Two standard 16-bit t.
for general control systems. The 83C654 contains a non-volatile 16k × 8 read-only program memory, a volatile 256 × 8 rea.
The P83C654 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 83C654 has the same instruction set as the 80C51. Two versions of the derivative exist:
83C654 — 16.
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