WebNov 10, 2024 · The I/O expander PCF8574 can be configured to have a unique 7-bit address. The first. four bits of the 7-bit address are 0100, and the lower three bits are the settings on the device pins A2, A1, and A0. This ability to set unique addresses for the expander. makes it possible to have up to eight PCF8574 devices on the same I 2 C bus. WebThis 8-bit input/output (I/O) expander for the two-line bidirectional bus (I 2 C) is designed for 2.5-V to 6-V V CC operation.. The PCF8574 device provides general-purpose remote I/O expansion for most microcontroller families by way of the I 2 C interface [serial clock (SCL), serial data (SDA)].. The device features an 8-bit quasi-bidirectional I/O port (P0–P7), …
(PDF) PCF8574A Datasheet - Remote 8-bit I/O expander for I2C-bus
WebFeb 10, 2024 · PCF8574A Features. I2C-bus to parallel port expander. 100 kHz I2C-bus interface (Standard-mode I2C-bus) Operating supply voltage 2.5 V to 6 V with non-overvoltage tolerant I/O held to VDD with 100 μA current source. 8-bit remote I/O pins that default to inputs at power-up. population of bihar 2022 in crores
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WebPCF8574A address = 0111 000 PCF8574A address = 0111 001 VCC A0 VCC The PCF8574 and PCF8574A have a maximum sinking current of 25 mA. In applications … WebThe PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)). The devices consist of eight … WebMar 1, 2024 · What is PCF8574A? The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C). The device consists of an 8-bit quasi-bidirectional port and an I2C-bus interface. ... This blog covers CD4017 Counter pinout, datasheet, equivalent, … shark vacuum cleaner model ah452w 26