pca9626 NXP Semiconductors, pca9626 Datasheet - Page 26

• Manufacturer Part Number: pca9626
• Description: 24-bit Fm+ I2c-bus 100 Ma 40 V Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Bus transactions
PCA9626_1
Product data sheet
Fig 12. Write to a specific register
Fig 13. Write to all registers using the Auto-Increment feature
(cont.)
S A6
START condition
(1) See
A5 A4 A3 A2 A1 A0 0
slave address
SUBADR3 register
Table 4
S A6
START condition
for register definition.
A5 A4 A3 A2 A1 A0 0
acknowledge
acknowledge
slave address
from slave
from slave
R/W
A
A
1
Auto-Increment on
ALLCALLADR register
X
R/W
control register
0
register selection
0
A
acknowledge
from slave
MODE1
0
X
Auto-Increment flag
acknowledge
Rev. 01 — 2 June 2009
0
X D5 D4 D3 D2 D1 D0
from slave
control register
0
condition
0
STOP
A
A
acknowledge
from slave
P
MODE1 register
24-bit Fm+ I
A
acknowledge
from slave
acknowledge
data for register D[5:0]
from slave
2
A
C-bus 100 mA 40 V LED driver
acknowledge
MODE2 register
from slave
(1)
condition
002aad612
PCA9626
STOP
A
© NXP B.V. 2009. All rights reserved.
acknowledge
P
from slave
A
002aad613
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(cont.)