PCA9632DP1 NXP [NXP Semiconductors], PCA9632DP1 Datasheet - Page 21

• Manufacturer Part Number: PCA9632DP1
• Description: 4-bit Fm+ I2C-bus low power LED driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
9. Bus transactions
PCA9632_3
Product data sheet
Fig 15. Write to a specific register
Fig 16. Write to all registers using the Auto-Increment feature
(cont.)
S
START condition
(1) 10-pin version only.
(2) See
(1) 10-pin version only.
1
1
slave address
SUBADR3 register
0
Table 5
0
S
START condition
0 A1 A0 0
1
(1)
for register definition.
1
acknowledge
acknowledge
slave address
from slave
from slave
0
R/W
0
A
A
0 A1 A0 0
(1)
1
Auto-Increment on
Auto-Increment
on all registers
ALLCALLADR register
0
R/W
control register
0
0
A
acknowledge
from slave
0
X
Auto-Increment flag
acknowledge
Rev. 03 — 15 July 2008
0
MODE1
register
selection
X
from slave
Auto-Increment options
control register
0
X
condition
0
0 D3 D2 D1 D0
STOP
A
A
acknowledge
from slave
P
MODE1 register
A
acknowledge
from slave
data for register D3, D2, D1, D0
4-bit Fm+ I
acknowledge
from slave
A
2
C-bus low power LED driver
acknowledge
MODE2 register
from slave
condition
002aad043
(2)
PCA9632
STOP
A
© NXP B.V. 2008. All rights reserved.
acknowledge
P
from slave
A
002aad044
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(cont.)