80C451   数据手册 ( 数据表 )

Philips Electronics

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O

Intel

UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER

Philips Electronics

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O

Intel

UPI-452 CHMOS PROGRAMMABLE I/O PROCESSOR

Philips Electronics

CMOS single-chip 8-bit microcontrollers