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PCA9632DP2 数据表(PDF) 21 Page - NXP Semiconductors

部件名 PCA9632DP2
功能描述  4-bit Fm I2C-bus low power LED driver
PDF  38 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCA9632DP2 数据表(HTML) 21 Page - NXP Semiconductors

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PCA9632_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 15 July 2008
21 of 38
NXP Semiconductors
PCA9632
4-bit Fm+ I2C-bus low power LED driver
9.
Bus transactions
(1) 10-pin version only.
(2) See Table 5 for register definition.
Fig 15. Write to a specific register
1
0
0
0
A1 A0
0
A
S
1
slave address(1)
START condition
R/W
acknowledge
from slave
002aad043
data for register D3, D2, D1, D0(2)
X
X
0 D3 D2 D1 D0
X
control register
Auto-Increment flag
Auto-Increment options
A
acknowledge
from slave
A
acknowledge
from slave
P
STOP
condition
(1) 10-pin version only.
Fig 16. Write to all registers using the Auto-Increment feature
1
0
0
0
A1 A0
0
A
S
1
slave address(1)
START condition
R/W
acknowledge
from slave
002aad044
MODE1 register
0
0
0
0
0
0
0
1
control register
Auto-Increment on
Auto-Increment
on all registers
A
acknowledge
from slave
A
acknowledge
from slave
P
STOP
condition
(cont.)
(cont.)
MODE1
register
selection
MODE2 register
A
acknowledge
from slave
SUBADR3 register
A
acknowledge
from slave
ALLCALLADR register
A
acknowledge
from slave



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