Intel 8051 microcontroller family

Intel 8051 and 80C51 are members of Intel MCS-51 family of 8-bit microcontrollers. In addition to on-chip clock oscillator, 2 16-bit timers, 4 I/O ports and a serial port, all 8051 and 80C51 chips have 128 bytes of RAM and 4 KB masked ROM. If necessary, 8051 memory can be expanded up to 128 KB by adding up to 64 KB of external program and data memory.

Related Links
Architecture
Identification
Pinouts
Support chips
Link to this page
Intel P8051AH

Intel P8051AH
40-pin plastic DIP

OKI M80C51-57

OKI M80C51-57
40-pin plastic DIP

USSR KR1816VE51

USSR KR1816VE51
40-pin plastic DIP

Soviet clone of Intel 8051AH microcontroller

  Terms and Conditions · Contact Us (c) Copyright 2003 - 2008 Gennadiy Shvets