pca9624 NXP Semiconductors, pca9624 Datasheet - Page 18

• Manufacturer Part Number: pca9624
• Description: 8-bit Fm+ I2c-bus 100 Ma 40 V Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Bus transactions
PCA9624_1
Product data sheet
Fig 12. Write to a specific register
Fig 13. Write to all registers using the Auto-Increment feature
Fig 14. Multiple writes to Individual Brightness registers only using the Auto-Increment feature
(cont.)
(cont.)
S A6
S A6
START condition
START condition
(1) See
A5 A4 A3 A2 A1 A0 0
A5 A4 A3 A2 A1 A0 0
slave address
slave address
SUBADR3 register
PWM6 register
Table 4
S A6
START condition
for register definition.
A5 A4 A3 A2 A1 A0 0
acknowledge
acknowledge
acknowledge
acknowledge
slave address
from slave
from slave
from slave
from slave
R/W
R/W
A
A
A
A
1
Auto-Increment on
1
Auto-Increment on
Auto-Increment
on all registers
increment
on Individual
brightness
registers only
ALLCALLADR register
0
0
PWM7 register
R/W
control register
control register
0
1
0
0
A
acknowledge
from slave
0
0
X
Auto-Increment flag
acknowledge
acknowledge
PWM0
register
selection
Rev. 01 — 3 June 2009
0
MODE1
register
selection
0
X
from slave
from slave
Auto-Increment options
control register
0
1
X D4 D3 D2 D1 D0
condition
0
0
STOP
A
A
A
A
acknowledge
from slave
acknowledge
from slave
P
PWM0 register
MODE1 register
PWM0 register
A
acknowledge
from slave
8-bit Fm+ I
acknowledge
acknowledge
acknowledge
from slave
data for register D[4:0]
from slave
from slave
A
2
A
A
C-bus 100 mA 40 V LED driver
acknowledge
MODE2 register
PWM1 register
from slave
(1)
PWMx register
condition
002aac148
PCA9624
STOP
A
© NXP B.V. 2009. All rights reserved.
acknowledge
acknowledge
P
from slave
from slave
acknowledge
from slave
002aad597
condition
A
A
002aac149
STOP
A
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(cont.)
(cont.)
P