參數(shù)資料
型號(hào): 935262233112
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 16 I/O, PIA-GENERAL PURPOSE, PDSO24
封裝: 5.30 MM, PLASTIC, SSOP-24
文件頁數(shù): 21/26頁
文件大?。?/td> 140K
代理商: 935262233112
1999 Apr 07
4
Philips Semiconductors
Product specication
Remote 16-bit I/O expander for I2C-bus
PCF8575
4
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGL537
I2C-BUS
CONTROL
INPUT
FILTER
1
2
3
22
23
21
INTERRUPT
LOGIC
16 BITS
P00 to P07
4 to 11
P10 to P17
13 to 20
I/O
PORT
SHIFT
REGISTER
LP FILTER
WRITE pulse
READ pulse
POWER-ON
RESET
24
12
VDD
VSS
SDA
SCL
A2
A1
A0
INT
PCF8575
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