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PCA9554 数据表(PDF) 4 Page - NXP Semiconductors

部件名 PCA9554
功能描述  8-bit I2C and SMBus I/O port with interrupt
PDF  20 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCA9554 数据表(HTML) 4 Page - NXP Semiconductors

  PCA9554 Datasheet HTML 1Page - NXP Semiconductors PCA9554 Datasheet HTML 2Page - NXP Semiconductors PCA9554 Datasheet HTML 3Page - NXP Semiconductors PCA9554 Datasheet HTML 4Page - NXP Semiconductors PCA9554 Datasheet HTML 5Page - NXP Semiconductors PCA9554 Datasheet HTML 6Page - NXP Semiconductors PCA9554 Datasheet HTML 7Page - NXP Semiconductors PCA9554 Datasheet HTML 8Page - NXP Semiconductors PCA9554 Datasheet HTML 9Page - NXP Semiconductors Next Button
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Philips Semiconductors
Product data sheet
PCA9554/PCA9554A
8-bit I2C and SMBus I/O port with interrupt
2004 Sep 30
4
BLOCK DIAGRAM
POWER-ON
RESET
INPUT
FILTER
I2C/SMBUS
CONTROL
INPUT/
OUTPUT
PORTS
WRITE pulse
READ pulse
A0
A1
A2
SCL
SDA
VDD
VSS
8-BIT
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
SU01411
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
VCC
INT
LP
FILTER
Figure 3. Block diagram



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