參數(shù)資料
型號(hào): PCA9502
廠商: NXP Semiconductors N.V.
英文描述: 8-bit I/O expander with I2C-bus/SPI interface
中文描述: 8位I / O擴(kuò)展接口與I2C-bus/SPI
文件頁(yè)數(shù): 1/25頁(yè)
文件大?。?/td> 125K
代理商: PCA9502
1.
General description
The PCA9502 is an 8-bit I/O expander with I
2
C-bus/SPI host interface. The device comes
in a very small HVQFN24 package, which makes it ideally suitable for hand-held, battery
operated applications.
The device also supports software reset, which allows the host to reset the device at any
time, independent of the hardware reset signal.
2.
Features
2.1 General features
I
Selectable I
2
C-bus or SPI interface
I
3.3 V or 2.5 V operation
I
Industrial temperature range:
40
°
C to +85
°
C
I
Eight programmable I/O pins
I
Software reset
I
Industrial and commercial temperature ranges
I
Available in HVQFN24 package
I
16 hardware-selectable slave addresses
2.2 I
2
C-bus features
I
Noise filter on SCL/SDA inputs
I
400 kbit/s (maximum)
I
Compliant with I
2
C-bus Fast-mode
I
Slave mode only
2.3 SPI features
I
15 Mbit/s maximum speed
I
Slave mode only
I
SPI Mode 0
3.
Applications
I
Factory automation and process control
I
Portable and battery operated devices
I
Cellular data devices
PCA9502
8-bit I/O expander with I
2
C-bus/SPI interface
Rev. 03 — 13 October 2006
Product data sheet
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