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单片机编程 PCA9536 4bit I2C bus and SMBus
The PCA9536 is an 8-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. I/O expanders providea simple solution when additional I/O is needed fo ...
单片机开发 单片机实用程序集
单片机实用程序集，集合了16个高亮数码管显示（数字和字母显示）28个独立优质按键（2Pin）（人机接口输入）38个高亮发光二极管（跑马灯、指示灯、红绿灯等）4标准的RS232通信接口（PC通信）等
电路图 6脚电源IC资料及代换
6PIN电源芯片的功能引脚及代换注意事项
所有6脚IC引脚都是一样的功能，在代换的时候
检查3脚是否有接电路，如果没，在3脚对地接一只
100K电阻，用OB2263代换，电路即可工作。
技术资料 PW4203_2.0.pdf规格书下载
PW4203 is a 4.5-22V input, 2A multi-cell synchronous Buck Li-Ion battery charger, suitable forportable application. Select pin is convenient for multi-cell charging. 800 kHz synchronous buckregulator integrates of 22V rating FETs with ultra low on- resistance to achieve high efficiency andsimple cir ...
模拟电子 精密DAC和看门狗提高模拟输出安全
Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...
单片机编程 PCA9537 4bit I2C bus and SMBus
The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when ad ...
单片机编程 PCA9538 8bit I2C bus and SMBus
The PCA9538 is a 16-pin CMOS device that provides 8 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when ad ...
可编程逻辑 XAPP440 - Xilinx CPLD的上电性能
Applying power to a standard logic chip, SRAM, or EPROM, usually results in output pinstracking the applied voltage as it rises. Programmable logic attempts to emulate that behavior,but physics forbids perfect emulation, due to the device programmability. It requires care tospecify the pin behavio ...
技术资料 93C46英文版
The Microchip Technology Inc. 93C46B is a 1K-bit,
low-voltage serial Electrically Erasable PROM. The
device memory is configured as 64 x 16 bits. Advanced
CMOS technology makes this device ideal for
low-power, nonvolatile memory applications. The
93C46B is available in standard 8-pin DIP, surface
mo ...
技术资料 STM PWM OUT
extern volatile u16 Pulse;
u8 Flag_60ms;
int main()
{
RCC_Configuration();
GPIO_Configuration();
TIM_PWMConfiguration();
NVIC_Configuration();
TIM_ToggleConfiguration();
GPIO_SetBits(GPIOA,GPIO_Pin_0);
USART1_Configuration();
SysTick_Configuration();
while(1)
{
if(Flag_60ms == 1)
{ ...