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Smart Home Audio(317)


The W77E058A 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:

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



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