Microcontrollers(444)

Voice ICs(260)

W77C032A

The W77C032A MCU is a 4T 8051 MCU and pin-compatible with traditional 12T 8051 and operating at 4.5V ~ 5.5V and 0 ℃ ~ 70 ℃, and provides two sets of UART devices and two DPTRs. Package types include PLCC44, PQFP44 and DIP40.

Target Application:

Security/Alarm, Communication Equipment, Power Management, IPC, etc.

Key Features:

     - External Bus Interface ( EBI )  for external memory-mapped device access

Core
  - 4T 8051 processor
  - Max frequency of 40 MHz
  - Operating voltage:  4.5V to 5.5V
  - Temperature range: 0 ℃ ~ 70 ℃
Memory
  - 256 + 1 KB of SRAM
Connectivity
  - Up to two UARTs