参数资料
型号: PCA9685PW/Q900,118
厂商: NXP Semiconductors
文件页数: 31/51页
文件大小: 0K
描述: IC PWM CTLR LED DVR 28TSSOP
产品培训模块: I²C Bus Fundamentals
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 16
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 25MHz,50MHz
电源电压: 2.3 V ~ 5.5 V
输出电压: 5.5V
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: 568-5931-6
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I 2 C-bus LED controller
9. Bus transactions
slave address
control register
data for register D[7:0] (1)
S
1 A5 A4 A3 A2 A1 A0 0
A D7 D6 D5 D4 D3 D2 D1 D0 A
A
P
START condition
R/W
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
STOP
condition
002aac829
(1) See Table 3 for register definition.
Fig 20. Write to a specific register
slave address
control register = MODE1 register
MODE1 register
MODE2 register
S
1 A5 A4 A3 A2 A1 A0 0
A
0
0
0
0
0
0
0
0
A
1
A
A
(cont.)
START condition
R/W
acknowledge
acknowledge
AI bit set
acknowledge
acknowledge
from slave
from slave
from slave
from slave
LED15_OFF_L register
LED15_OFF_H register
(cont.)
A
acknowledge
from slave
A
acknowledge
from slave
P
STOP
condition
Fig 21. Write to all registers using the Auto-Increment feature; AI initially clear
002aad187
PCA9685
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 2 September 2010
? NXP B.V. 2010. All rights reserved.
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