參數(shù)資料
型號(hào): PCF8574
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: Remote 8-bit I/O expander for I2C-bus
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT
文件頁(yè)數(shù): 4/24頁(yè)
文件大小: 156K
代理商: PCF8574
1997 Apr 02
4
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
4
BLOCK DIAGRAM
Fig.1 Block diagram (SOT38-1 and SOT162-1).
handbook, full pagewidth
MBD980
I C BUS
CONTROL
INPUT
FILTER
1
2
3
14
15
13
INTERRUPT
LOGIC
12
P7
11
P6
10
P5
9
P4
7
P3
6
P2
5
P1
4
P0
8 BIT
I/O
PORT
SHIFT
REGISTER
LP FILTER
WRITE pulse
READ pulse
POWER-ON
RESET
16
8
VDD
VSS
SDA
SCL
A2
A1
A0
INT
PCF8574
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8574_02 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Remote 8-bit I/O expander for I2C-bus
PCF8574_07 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
PCF8574_08 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
PCF8574_10 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
PCF8574A 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:REMOTE 8BIT I/O EXPANDER FOR I2C BUS