4T 8051内核

40 bi-directional I/O pins (max.).

最多40个双向IO口

5 channels of PCA.

5通道可编程计数阵列

6 channels of 10-bit ADC (max.).(ADC clock frequency is adjustable, and open the ADC ready flag)

6通道10位ADC

64K bytes of program Flash ROM.

64k flash程序空间

2304(256+2048) bytes of SRAM.

2304字节RAM。

PSEN enabled only when access external RAM.

Built in RC oscillator (6 MHz).

内建6MHZ RC振荡器

Hardware SPI that could work as mater or slave

硬件SPI接口。

Watchdog timer featuring programmable interval

可编程内置看门狗。

Three 16-bit counters/timers

三个16位定时/计数器

Two full-duplex serial ports.

二个全双工串口

RTC function.(bounding option with ALE and PSEN pin)

可选择RTC功能

11 interrupt sources

11个中断源

Hardware code protection

硬件代码保护机制。

Hardware In System Programming (ISP) function. [UART Type and I2C type both]

可通过串口或者IIC接口在系统编程

3.3V to 5.0V power supply

支持3。3V-5V电压

-40°C ~+85 °C working range

-40度到85度工作区间

ESD test >= 8KV without system reset.

ESD大于8KV

Package designed with PLCC44, QFP44, and LQFP48

可提供44PIN及48PIN及40PIN封装。

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