SPI GPIO Expander reference design provides a programmable solution for serial expansion of microprocessor general purpose I/O ports.
SPI GPIO Expanders Product Portfolio Export Product CPU Interface No. of GPIOs Interrupt Output Pin Reset Input Pin Integrated Level Shifters Internal Pull-Up Resistors Enabled at Power-up 5V Tolerant Inputs Supply Voltage Range VCC (V)
SPI GPIO Expander IC MCP23S17T-E/SS US$0.83-1.50 100 Pieces (MOQ) Product Details Customization: Available Conductive Type: Unipolar Integrated Circuit Integration: LSI Contact Supplier Chat Shenzhen Semilotec Co., Ltd. Trading Company Rating 4.0 Diamond Member Since 2018 Audi...
在安卓/Linux主机上经常会遇到CPU原生SPI/I2C/GPIO Master资源通道不够或者功性能不满足实际产品需求的情况,基于USB2.0高速USB转接芯片CH347,配合厂商提供的USB转MPSI(Multi Peripheral Serial Line)Master总线驱动(CH34X-MSPI-Master)可轻松实现为系统扩展SPI和I2C总线、GPIO Expander、中断信号等。 该驱动软件正常工...
SPI BASED GPIO EXPANDERMuhammad Ali3 Expert 1695 points Hi, Just some suggestions I need for my GPIO Expander Driver. I have just written a working driver for my GPIO expander in Linux Kernel 2.6.37 The suggestions I need are during my probe function I use the spi write routines to...
CONFIG_SPI_BITBANG=y # CONFIG_SPI_GPIO is not set # CONFIG_SPI_DESIGNWARE is not set # SPI Protocol Masters # CONFIG_SPI_TLE62X0 is not set # SPI GPIO expanders: # SPI RTC drivers root@arago:~# dmesg | grep -i spi spi_davinci spi_davinci.1: DaVinci SPI drive...
SPI GPIO Expander 10000kHz 5.5V 18-Pin PDIP Tube RoHS: Compliant 搜索 美国5号仓库仓库直销,订单金额100元起订,满300元含运,满500元含税运,有单就有优惠,量大更优惠,支持原厂订货 型号制造商描述操作 MCP23S08-E/P [更多]Microchip Technology Inc搜索 ...
gpio\gpio.txt Linux 4.x内核文档 Linux-4.9.88\Documentation\gpio Linux-4.9.88\Documentation...GPIO可能是芯片自带的,也可能通过I2C、SPI接口扩展: GPIO有一些通用功能、通用属性。...但是,对于通过I2C、SPI等接口扩展的GPIO,访问它们时可能导致休眠,所以这些"GPIO Expander"就不能在获得spinlocks的情况下使用...
MAXLINEAR/迈凌 XRA1405IL24-F 接口-I/O扩展器16 Bit SPI GPIO Expander XRA1405IL24-F 1000 MAXLINEAR/迈凌 QFN-24 ￥0.9000元>=1个 深圳市元庄电子有限公司 1年 查看下载 立即询价 查看电话 QQ联系 Microchip/美国微芯 MCP23S18-E/SP 接口-I/O扩展器16B I/O Expander SPI interface MCP23...
The code supports three functions for IO control: gpioDirectionSet, gpioOutputCtl, and gpioStateRead. See also Protocol Introduction. Figure 5-2. Main Function UART, I2C, and SPI are enabled by default. Uncomment the definition in the expander.h file for real implementation, as Figure 5-3 ...