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The pca9539; pca9539r is a 24- pin cmos device that provides 16 bits of general purpose parallel input/ output ( gpio) expansion with interrupt and reset for i2c- bus/ smbus applications and was developed to enhance the nxp semiconductors family of i2c- bus i/ o expanders. The pca9555a contains the pca9555 register set of four pairs of 8- bit configuration, input, output, and polarity inversion registers. It provides general- purpose remote i/ o expansion for most microcontroller families via the i2c interface. Input/ output ( gpio) expansion for i 2c- bus/ smbus applications and was developed to. It also addresses some issues related to power- on reset and dynamic addressing that may affect the pca9555 performance. Compare with current part.
Description: interface - i/ o expanders remote 16b i2c & smbus i/ o expander. The pca9555 is a 24- pin cmos device that provides 16 bits of general purpose parallel input/ output ( gpio) expansion for i²c- bus/ smbus applications and was developed to enhance the nxp semiconductors family of i 2 c- bus i/ o expanders. 1 — 25 april product data sheet 1. Interface i2c ics i2c general- purpose i/ os ( gpios) pcabit 2. It features low standby current, 5- v tolerant ports, interrupt output and configuration registers. 1 pinning remark: all i/ os are set to inputs at reset. 5- v v cc operation. The pca9555 is a remote 16- bit i/ o expander that communicates with a host device via i2c or smbus interface. General description the pca9555 provides 16 bits of general purpose input/ output ( gpio) expansion for i²c- bus/ smbus applications.
5 v 5 v tolerant i/ os polarity inversion register active low interrupt output low standby current. Block diagram of pca9555 pca9555 power- on reset 002aac702 i2c- bus/ smbus control input filter scl sda vdd input/ output ports io0_ 0 vss 8- bit write pulse read pulse. 16- bit i2c- bus and smbus i/ o port with interrupt. It provides detailed specifications, features, applications, and electrical characteristics of the device. Smart, simple solutions for the 12 most common design concerns, pca9555 datasheet, pca9555 circuit, pca9555 data sheet : nxp, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs and other semiconductors. This 16- bit i/ o expander for the two- line bidirectional bus ( i2c) is designed for 1. E) pdf | html product details find other i2c general- purpose i/ os ( gpios) technical documentation = top documentation for this product selected by ti design & development. Scps131 is the data sheet for the pca9555, a remote 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers.
The pca9555 is a 24- pin cmos device that provides 16 bits of general purpose parallel. Low standby- current consumption of 1 μa max • i2c to parallel port expander • open- drain active- low interrupt output • 5- v tolerant i/ o ports • compatible with most microcontrollers • 400- khz fast i2c bus • address by three hardware address pins for use of up to eight devices • polarity inversion register • latched outputs with high- current dr. Block diagram of pca9555 pca9555 power- on reset 002aac702 i2 c- bus/ smbus control input filter scl sda v dd input/ output ports io0_ 0 v ss 8- bit write pulse read. Product folder links: pca9555 pca9555 scps131j – august – revised march an important notice at the end of this data sheet addresses availability, warranty, changes, use in safety- critical applications, intellectual property matters and other important disclaimers. Pca9555 scps131g – august – revised march pca9555 remote 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers 1 1 features. And pca9535c are the same as the pca9555 allo wing up to eight of these devices in any combination to share the same i2c- bus/ smbus. Submit document feedback. Nxp semiconductors pcabit i2c- bus and smbus i/ o port with interrupt 4. The pca9555 is a 24- pin cmos device that provide 16 bits of general purpose parallel input/ output ( gpio) expansion for i2c/ smbus applications and was developed to enhance the philips family of ic i/ o expanders. Nxp semiconductors pcabit i 2 c- bus and smbus i/ o port with interrupt 4. Image: mouser part # : 595- pca9555pwr.
[ old version datasheet] remote 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers. Tca9555 low- voltage 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers datasheet ( rev. Features and benefits operating power supply voltage range of 2. 5- v i2c/ smbus i/ o expander with interrupt, weak pull- up & config registers data sheet pca9555 remote 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers datasheet ( rev. Texas instruments. Pca9555 low- voltage 16- bit i²c- bus i/ o port with interrupt and weak pull- up rev. Enhance the nxp semiconductors family of i 2c- bus i/ o expanders. Pinning information 5. It is designed for a wide voltage range of 2. Pca9555 datasheet by nxp usa inc. J) pdf | html product details find other i2c general- purpose i/ os ( gpios).
Pca9555 datasheet 16- bit i2c and smbus i/ o port with interrupt - nxp semiconductors remote 16- bit i2c and smbus i/ o expander with interrupt output and configuration registers, texas instruments pca9555a. Download the datasheet to learn more about its specifications, applications and design tips. The pca9555a is a pin- to- pin replacement to the pca9555 and other industry- standard devices. A more fully featured device, the pcal9555a, is available with agile i/ o features.
The improvements. 5 v with interrupt. The pca9555 is a 24- pin cmos device that provides 16 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. General description.
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