true

Low-Voltage Detect

Yes

Program Storage Size

8KB

Yes

16Bit Timer

2

Internal Oscillator

Yes

GPIO Ports Number

40

Operating Voltage Range

3.3V~5.5V

Peripheral/Function

Low-Voltage Detection;Watchdog

CPU Core

51Series

CPU Maximum Speed

35MHz

Tray

内存大小

512Byte

程序存储器类型

FLASH

工作温度范围

-40℃~+85℃

UART/USART

1