pca9625 NXP Semiconductors, pca9625 Datasheet - Page 19

• Manufacturer Part Number: pca9625
• Description: Pca9625 16-bit Fm I2c-bus 100 Ma 24 V Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Bus transactions
PCA9625_2
Product data sheet
Fig 11. Write to a specific register
Fig 12. Write to all registers using the Auto-Increment feature
Fig 13. 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
PWM14 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
PWM15 register
R/W
control register
control register
0
1
0
0
A
acknowledge
from slave
0
0
X
Auto-Increment flag
Rev. 02 — 15 January 2008
acknowledge
acknowledge
PWM0
register
selection
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
16-bit Fm+ I
A
acknowledge
from slave
acknowledge
acknowledge
acknowledge
from slave
data for register D[4:0]
from slave
from slave
A
2
A
A
C-bus 100 mA 24 V LED driver
acknowledge
MODE2 register
PWM1 register
from slave
(1)
PWMx register
condition
002aac148
PCA9625
STOP
A
© NXP B.V. 2008. All rights reserved.
acknowledge
acknowledge
P
from slave
from slave
acknowledge
from slave
002aac150
condition
A
A
002aac149
STOP
A
19 of 33
(cont.)
(cont.)
P