Eqivalent to Atmel AT89S52
W78E052DDG is 8051 compatible 8-bit controller from Nuvoton with 8K programmable flash memory in 40 Pin DIP package
This chip has separate dedicated 2K boot-loader memory, which makes this chip robust and very stable .It supports ISP program downloading from PC using RX-TX lines only.
Other specifications match exactly 89S52.
It contains an 8K-byte Flash EPROM , a 256-byte RAM; four 8-bit bi-directional (P0, P1, P2, P3) and bit-addressable I/O ports , an additional 4-bit I/O port P4; three 16-bit timer/counters , a hardware watchdog timer , and a serial port
The instruction set is fully compatible with the standard 8052. Note that the actual part number of the chip in the 40-pin DIP package is W78E052DDG
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 ℃.
Security/Alarm, Bar Code Reader, KVM, Key Phone, UI, IPC, etc.
- 6T / 12T 8051 processor
- Max frequency of 40 MHz
- Operating voltage: 2.4V to 5.5V
- Temperature range: -40 ℃ ~ 85 ℃
- 8 KB of flash memory
- 256 B of SRAM
- ISP ( In-System Programming )
- One UART