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The W78E052D MCU is a 6T/12T 8051 MCU configurable and pin-compatible with traditional 12T 8051 and operating at 2.4V ~ 5.5V and -40℃ ~ 85℃. Package types include LQFP48, PLCC44, PQFP44, TQFP44 and DIP40.

Target Application:

Security/Alarm, Bar Code Reader, KVM, Key Phone, UI, IPC, etc.

Key Features:

  • Core

- 6T/12T 8051 processor

- Max frequency of 40 MHz

- Operating voltage: 2.4V to 5.5V

- Temperature range: -40℃ ~ 85℃

  • Memory

- 8 KB of flash memory

- 256B of SRAM

- ISP (In-System Programming)

  • Connectivity

- One UART




Data Sheet

  • Data Sheet

  • File name Version Update Download
  • W78E054D_W78E052D A13  Tue Jun 16 13:10:50 CST 2015
  • Software

  • File name Version Update Download
  • Nuvoton 8051 ISP-ICP Programmer v7.15 7.15  Mon May 04 12:22:21 CST 2015


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Part No. Check Disty Flash SRAM Data Flash ISP ROM I/O Timer UART SPI I2C PWM Comparator ADC ISP /ICP /IAP Package Status INT Special Function
W78E052D Check Disty 8K 256 - 2K 36 3*16-bit 1 - - - - - ISP PDIP40/PLCC44/PQFP44/LQFP48/TQFP44 Mass Production 4 6T/12T option, Extra I/O port

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