pca9633 NXP Semiconductors, pca9633 Datasheet - Page 23

• Manufacturer Part Number: pca9633
• Description: Pca9633 4-bit Fm+ I2c-bus Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Bus transactions
PCA9633_3
Product data sheet
Fig 16. Write to a specific register
Fig 17. Write to all registers using the Auto-Increment feature
(cont.)
S A6
START condition
(1) 16-pin version only.
(2) See
(1) 16-pin version only.
A5 A4 A3 A2 A1 A0 0
slave address
SUBADR3 register
Table 7
S A6
START condition
for register definition.
(1)
A5 A4 A3 A2 A1 A0 0
acknowledge
acknowledge
slave address
from slave
from slave
R/W
A
A
(1)
1
Auto-Increment on
Auto-Increment
on all registers
ALLCALLADR register
0
R/W
control register
0
0
A
acknowledge
from slave
Rev. 03 — 20 December 2006
0
X
Auto-Increment flag
acknowledge
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
acknowledge
from slave
A
4-bit Fm+ I
acknowledge
MODE2 register
from slave
condition
002aab418
(2)
PCA9633
2
STOP
A
© NXP B.V. 2006. All rights reserved.
C-bus LED driver
acknowledge
P
from slave
A
002aab419
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(cont.)