PCA9561D-T NXP Semiconductors, PCA9561D-T Datasheet - Page 11

• Manufacturer Part Number: PCA9561D-T
• Description: EEPROM QUAD 6-BT MULTIPLEX I2C EEPROM
• Manufacturer: NXP Semiconductors

Specifications of PCA9561D-T

• Product Category: EEPROM
• Rohs: yes
• Mounting Style: SMD/SMT
• Package / Case: SOT-163
• Factory Pack Quantity: 2000
• Part # Aliases: PCA9561D,118

NXP Semiconductors
PCA9561
Product data sheet
Fig 9.
Fig 10. Write on two EEPROMs, assuming WP = 0
Fig 11. Read MUX_IN register
SDA
SDA
SDA
START condition
START condition
S
S
Write on one EEPROM, assuming WP = 0
START condition
S
1
1
1
0
0
7.4 Bus transactions
0
slave address
slave address
0
0
slave address
0
Data is transmitted to the PCA9561 registers using the Write Byte transfers (see
and
Figure
1
1
1
1
1
1
Figure
A1 A0
A1 A0
11).
A1 A0
10. Data is read from PCA9561 using Read and Receive Byte transfers (see
R/W
R/W
R/W
0
0
0
All information provided in this document is subject to legal disclaimers.
A
A
acknowledge
from slave
acknowledge
from master
A
acknowledge
from slave
0
1
0
Rev. 4 — 6 November 2012
write on EEPROM byte 0
0
1
write on EEPROM byte 0
0
read MUX_IN values
control register
control register
0
1
control register
0
0
1
0
Quad 6-bit multiplexed I
0
1
0
0
1
0
acknowledge
acknowledge
from master
from master
0
1
(cont.)
0
0
1
(cont.)
0
A
A
A
acknowledge
from slave
A
acknowledge
from slave
X
X
S
ReSTART
0
X
X
X
1
0
X
EEPROM byte 0 data
EEPROM byte 1 data
EEPROM byte 0 data
data from MUX_IN
D5 D4 D3 D2 D1 D0
D5 D4 D3 D2 D1 D0
A
0
D5 D4 D3 D2 D1 D0
2
slave address
C-bus EEPROM DIP switch
B
0
C
1
no acknowledge
D
1
acknowledge
acknowledge
PCA9561
from master
acknowledge
A1 A0
© NXP B.V. 2012. All rights reserved.
E
from slave
from slave
STOP condition
STOP condition
from slave
STOP condition
F
R/W
002aah290
002aah291
NA
002aah289
A
A
1
A
Figure 9
(cont.)
(cont.)
P
P
P
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