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FENSHAI
- ----__----- -|RST VCC|-电源 功能键设定定时器时间-|P3.0 P1.7|-24C02串行IIC数据线SDA 设定定时器加键-|P3.1 P1.6|-24C02串行IIC时钟线SDA -|XTAL P1.5|-74LS164时钟线CLK -|XTAL P1.4|-74LS164数据线AB 设定定时器减键-|P3.2 P1.3|-LED千位驱动 电机停止按钮_|P3.3 P1.2|
pwm
- Pwm using 16f877a ccp1 &ccp2 variable duty cycle 10 khz 10 mhz xtal used
clock
- DCF-synchronized Digital Clock for RS232 communication on a 2313-Experimental-Board, Version 0.2 as of 12.01.2001 Features: XTal driven digital clock for exact date and time formation, adjusted and read over a SIO-I/O 9k6 8N1connection, Self-adjustin
HF-XTAL
- msp430x22x4系列高频晶振HF XTAL的设置相关-msp430x22x4 series of high-frequency crystal oscillator HF XTAL settings related
rtc3231
- this a code for RTC 3231 maxim IC which is an extremely accurate clock chip with built in xtal oscillator -this is a code for RTC 3231 maxim IC which is an extremely accurate clock chip with built in xtal oscillator