特性 Features

Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard

8051.

Operating voltage range: 5.5V ~ 3.5V or 2.2V ~ 3.6V (STC12LE5620AD).

Operating frequency range: 0- 35MHz, is equivalent to standard 8051:0~420MHz

On-chip 30K/28K/24K/20K/16K/12K/8K/4K... FLASH program memory with flexible ISP/IAP capability

On-chip 768 byte RAM

Power control: idle mode(can be waked up by any interrupt) and power-down mode(can be waked up by

external interrupts).

Code protection for flash memory access

Excellent noise immunity, very low power consumption

six 16-bit timer/counter, be compatible with Timer0/Timer1 of standard 8051, 4-channel PCA can be

available as four timers.

9 vector-address, 4 level priority interrupt capability

One enhanced UART with hardware address-recognition and frame-error detection function

One 15 bits Watch-Dog-Timer with 8-bit pre-scaler (one-time-enabled)

SPI Master/Slave communication interface

Four channel Programmable Counter Array (PCA)