P89V664
Description
The P89V660/662/664 are 80C51 microcontrollers with 16 kB/32 kB/64 kB flash and 512 B/1 kB/2 kB of data RAM.
Key Features
- 2.1 Principal features
- Dual 100 kHz byte-wide I2C-bus interfaces
- 128-byte page erase for efficient use of code memory as non-volatile data storage
- 0 MHz to 40 MHz operating frequency in 12x mode, 20 MHz in 6x mode
- 16 kB/32 kB/64 kB of on-chip flash user code memory with ISP and IAP
- 512 B/1 kB/2 kB RAM
- SPI (Serial Peripheral Interface) and enhanced UART
- Three 16-bit timers/counters
- Four 8-bit I/O ports, one 4-bit I/O port
- WatchDog Timer (WDT) 2.2 Additional features
