参数资料
型号: PCA9685PW/Q900,118
厂商: NXP Semiconductors
文件页数: 20/51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
Table 6. LED_ON, LED_OFF control registers (address 06h to 45h) bit description
Legend: * default value.
Address
06h
07h
08h
09h
Register
LED0_ON_L
LED0_ON_H
LED0_OFF_L
LED0_OFF_H
Bit
7:0
7:5
4
3:0
7:0
7:5
4
Symbol
LED0_ON_L[7:0]
reserved
LED0_ON_H[4]
LED0_ON_H[3:0]
LED0_OFF_L[7:0]
reserved
LED0_OFF_H[4]
Access
R/W
R
R/W
R/W
R/W
R
R/W
Value
0000 0000*
000*
0*
0000*
0000 0000*
000*
1*
Description
LEDn_ON count for LED0, 8 LSBs
non-writable
LED0 full ON
LEDn_ON count for LED0, 4 MSBs
LEDn_OFF count for LED0, 8 LSBs
non-writable
LED0 full OFF
3:0
LED0_OFF_H[3:0]
R/W
0000*
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
LED1_ON_L
LED1_ON_H
LED1_OFF_L
LED1_OFF_H
LED2_ON_L
LED2_ON_H
LED2_OFF_L
LED2_OFF_H
LED3_ON_L
LED3_ON_H
LED3_OFF_L
LED3_OFF_H
LED4_ON_L
LED4_ON_H
7:0
7:5
4
3:0
7:0
7:5
4
3:0
7:0
7:5
4
3:0
7:0
7:5
4
3:0
7:0
7:5
4
3:0
7:0
7:5
4
3:0
7:0
7:5
4
3:0
LED1_ON_L[7:0]
reserved
LED1_ON_H[4]
LED1_ON_H[3:0]
LED1_OFF_L[7:0]
reserved
LED1_OFF_H[4]
LED1_OFF_H[3:0]
LED2_ON_L[7:0]
reserved
LED2_ON_H[4]
LED2_ON_H[3:0]
LED2_OFF_L[7:0]
reserved
LED2_OFF_H[4]
LED2_OFF_H[3:0]
LED3_ON_L[7:0]
reserved
LED3_ON_H[4]
LED3_ON_H[3:0]
LED3_OFF_L[7:0]
reserved
LED3_OFF_H[4]
LED3_OFF_H[3:0]
LED4_ON_L[7:0]
reserved
LED4_ON_H[4]
LED4_ON_H[3:0]
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
0000 0000*
000*
0*
0000*
0000 0000*
000*
1*
0000*
0000 0000*
000*
0*
0000*
0000 0000*
000*
1*
0000*
0000 0000*
000*
0*
0000*
0000 0000*
000*
1*
0000*
0000 0000*
000*
0*
0000*
LEDn_ON count for LED1, 8 LSBs
non-writable
LED1 full ON
LEDn_ON count for LED1, 4 MSBs
LEDn_OFF count for LED1, 8 LSBs
non-writable
LED1 full OFF
LEDn_OFF count for LED1, 4 MSBs
LEDn_ON count for LED2, 8 LSBs
non-writable
LED2 full ON
LEDn_ON count for LED2, 4 MSBs
LEDn_OFF count for LED2, 8 LSBs
non-writable
LED2 full OFF
LEDn_OFF count for LED2, 4 MSBs
LEDn_ON count for LED3, 8 LSBs
non-writable
LED3 full ON
LEDn_ON count for LED3, 4 MSBs
LEDn_OFF count for LED3, 8 LSBs
non-writable
LED3 full OFF
LEDn_OFF count for LED3, 4 MSBs
LEDn_ON count for LED4, 8 LSBs
non-writable
LED4 full ON
LEDn_ON count for LED4, 4 MSBs
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.
20 of 51
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