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NXP Semiconductors
PCA9632
4-bit Fm+ I 2 C-bus low power LED driver
slave address (1)
control register
new LED All Call I 2 C-bus address (2)
sequence (A) S
1
1
0
0
0 A1 A0 0
A
X
X
X
0
1
1
0
0
A
1
0
1
0
1
0
1
X
A
P
START condition
R/W
acknowledge
from slave
ALLCALLADR
register selection acknowledge
from slave
Auto-Increment on
acknowledge
from slave
STOP
condition
the 16 LEDs are on at the acknowledge (3)
LED All Call I 2 C-bus address
control register
LEDOUT register (LED fully ON)
sequence (B) S
1
0
1
0
1
0
1
0
A
X
X
X
0
1
0
0
0
A
0
1
0
1
0
1
0
1
A
P
START condition
R/W
acknowledge
from the
4 devices
LEDOUT
register selection acknowledge
from the
4 devices
acknowledge
from the
4 devices
STOP
condition
002aad047
(1) 10-pin version is used for this figure. Four PCA9632DP2 or PCA9632TK2 and same sequence (A) (above) is sent to each of
them. A[1:0] = 00 to 11.
(2) ALLCALL bit in MODE1 register is equal to logic 1 for this example.
(3) OCH bit in MODE2 register is equal to logic 1 for this example.
Fig 19. LED All Call I 2 C-bus address programming and LED All Call sequence example
SWRST Call I 2 C address
SWRST data
Byte 1 = A5h
SWRST data
Byte 2 = 5Ah
S
0
0
0
0
0
1
1
0
A
1
0
1
0
0
1
0
1
A
0
1
0
1
1
0
1
0
A
P
START condition
R/W
acknowledge
from slave(s)
acknowledge
from slave(s)
acknowledge
from slave(s)
PCA9632 is(are) reset.
Registers are set to default power-up values.
002aad048
Fig 20. Software Reset (SWRST) Call sequence
PCA9632
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 July 2011
? NXP B.V. 2011. All rights reserved.
23 of 39
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PCA9632DP2118 制造商:NXP Semiconductors 功能描述:IC LED DRVR TSSOP
PCA9632DP2-T 功能描述:LED照明驱动器 4-BIT FM+I2C-BUS LOW POWER LED RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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PCA9632TK2,118 功能描述:LED照明驱动器 4-BIT FM+I2C-BUS RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9632TK2-T 功能描述:LED照明驱动器 4-BIT FM+I2C-BUS LOW POWER LED RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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PCA9633BS,118 功能描述:LED照明驱动器 4BIT I2C FM+ TP LED RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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