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The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, l ...

SAE J1939协议是由汽车工程协会(SAE)定义的，SAE J1939协议在商用车辆、舰船、轨道机车、农业机械和大型发动机中是应用最广泛的应用层协议，基于传输可靠性能优越的CAN-bus总线，可达到250Kbps的通讯速率。在协议中，不仅指定了传输类型、报文结构及其分段、流量检查等，而且报文内容本身也做了精确的定义，SAE J1939协议由 ...

The CAT25128 is a 128−Kb Serial CMOS EEPROM device internally organized as 16Kx8 bits. This features a 64−byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select (CS) input. In addition, the required bus signals are ...

1.1 微型计算机的组成及工作原理1.1.1  微型计算机中的基本概念1. 微处理器2. 微型计算机      (1)单片微处理机      (2)通用微型计算机3. 微型计算机系统1.1.2  微机基本结构        微型计算机的基本组成如图1.1所示， ...

HCS12微控制器MC9S12DP256 第一步： 1) HCS12 技术概述2) Operating Modes工作模式3) Resource  Mapping资源映射4) External Bus Interface外部总线接口5) Port Integration Module端口集成模块6) Background Debug Mode背景调试模块

The PCA82C250 and PCA82C251 are advanced transceiver products for use in automotive and general industrialapplications with transfer rates up to 1 Mbit/s. They support the differential bus signal representation beingdescribed in the international standard for in-vehicle CAN high-speed applications ( ...

The PCA9516 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both the data(SDA) and the clock (SCL) lines, thus enabling five buses of 400 pF.The I2C ...

The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of t ...

The PCA9518 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both thedata (SDA) and the clock (SCL) lines, thus enabling virtuallyunlimited buses of ...

The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion with interrupt and reset forI2C-bus/SMBus applications and was developed to enhance the NXP Semiconductorsfamily of I2C-bus I/O expanders. I/O expanders provide a simple solut ...