pca9632 NXP Semiconductors, pca9632 Datasheet - Page 19

• Manufacturer Part Number: pca9632
• Description: Pca9632 4-bit Fm I?c-bus Low Power Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9632_1
Objective data sheet
Fig 15. Multiple writes to Individual Brightness registers only using the Auto-Increment feature
Fig 16. Read all registers using the Auto-Increment feature
(cont.)
(cont.)
(cont.)
S
START condition
S
START condition
1
1
data from MODE2 register
1
data from last read byte
1
slave address
slave address
0
0
PWM2 register
0
0
not acknowledge
0
0
acknowledge
from master
from master
1
acknowledge
1
acknowledge
acknowledge
from slave
from slave
0
from slave
0
R/W
R/W
0
0
A
A
A
A
A
P
STOP
condition
1
Auto-Increment on
data from PWM0
1
Auto-Increment on
Auto-Increment
on all registers
increment
on Individual
brightness
registers only
0
0
PWM3 register
control register
0
control register
1
acknowledge
0
from master
0
0
Rev. 01 — 28 September 2007
0
acknowledge
MODE1
register
selection
PWM0
register
selection
0
0
from slave
A
0
1
0
0
A
ReSTART
ALLCALLADR register
A
acknowledge
from slave
condition
A
acknowledge
from slave
Sr
data from
A6
PWM0 register
PWM0 register
A5 A4 A3 A2 A1 A0 1
slave address
acknowledge
from master
acknowledge
4-bit Fm+ I
acknowledge
from slave
A
from slave
(1)
acknowledge
from slave
A
MODE1 register
A
R/W
data from
2
C-bus low power LED driver
A
data from MODE1 register
acknowledge
from master
PWM1 register
PWMx register
PCA9632
A
© NXP B.V. 2007. All rights reserved.
acknowledge
(cont.)
acknowledge
from master
from slave
acknowledge
from slave
002aad046
002aad045
condition
A
A
STOP
A
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(cont.)
(cont.)
P