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PCA9558PW 数据表(PDF) 8 Page - NXP Semiconductors

部件名 PCA9558PW
功能描述  8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM
PDF  18 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCA9558PW 数据表(HTML) 8 Page - NXP Semiconductors

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Philips Semiconductors
Product data
PCA9558
8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit
latched 6-bit I2C EEPROM and 2 k bit EEPROM
2002 May 24
8
SW00637
S
1
00111 A0 0
A
0
000
SLAVE ADDRESS
R/W
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
COMMAND BYTE
DATA BYTE
ACKNOWLEDGE
FROM SLAVE
xxxx
A
P
d7 d6 d5 d4 d3 d2 d1 d0
A
See Figure 2 for the proper Command Byte
Figure 7. I2C write for GPIO registers
SW00638
S
100111 A0
0
A
A
SLAVE ADDRESS
R/W
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
COMMAND BYTE
SLAVE ADDRESS
S
ACKNOWLEDGE
FROM SLAVE
A
10011
1 A0
1
P
d7 d6 d5 d4 d3 d2 d1 d0 NA
DATA FROM SLAVE
NO ACKNOWLEDGE
FROM MASTER
R/W
0000
x
x
x
x
Figure 8. I2C read for GPIO registers
SW00639
S
1001
11 A0
0
A
A
SLAVE ADDRESS
R/W
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
COMMAND BYTE
SLAVE ADDRESS
S
ACKNOWLEDGE
FROM SLAVE
A
10011
1 A0
1
P
0
0
0
d4 d3 d2 d1 d0 NA
DATA FROM SLAVE
NO ACKNOWLEDGE
FROM MASTER
R/W
00001
100
Figure 9. I2C read of MUX_INx inputs



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