参数资料
型号: PCA9633BS,118
厂商: NXP Semiconductors
文件页数: 15/43页
文件大小: 0K
描述: IC LED DRIVER RGBA 16-HVQFN
产品培训模块: LED Controllers
I²C Bus Fundamentals
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 4
内部驱动器: 两者兼有
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 25MHz
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: 16-VQFN 裸露焊盘
供应商设备封装: 16-HVQFN
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 844 (CN2011-ZH PDF)
配用: OM6276,598-ND - DEMO BOARD PWM LED
622-1004-ND - BOARD DEMO FOR PHILIPS PCA9633
其它名称: 568-3234-6
NXP Semiconductors
PCA9633
4-bit Fm+ I 2 C-bus LED driver
7.3.7 I 2 C-bus subaddress 1 to 3, SUBADRx
Table 14.
SUBADR1 to SUBADR3 - I 2 C-bus subaddress registers 0 to 3 (address 09h to
0Bh) bit description
Legend: * default value.
Address
Register
Bit
Symbol
Access Value
Description
09h
0Ah
0Bh
SUBADR1
SUBADR2
SUBADR3
7:1
0
7:1
0
7:1
0
A1[7:1]
A1[0]
A2[7:1]
A2[0]
A3[7:1]
A3[0]
R/W
R only
R/W
R only
R/W
R only
1110 001*
0*
1110 010*
0*
1110 100*
0*
I 2 C-bus subaddress 1
reserved
I 2 C-bus subaddress 2
reserved
I 2 C-bus subaddress 3
reserved
Subaddresses are programmable through the I 2 C-bus. Default power-up values are E2h,
E4h, E8h, and the device(s) will not acknowledge these addresses right after power-up
(the corresponding SUBx bit in MODE1 register is equal to 0).
Once subaddresses have been programmed to their right values, SUBx bits need to be
set to 1 in order to have the device acknowledging these addresses (MODE1 register).
Only the 7 MSBs representing the I 2 C-bus subaddress are valid. The LSB in SUBADRx
register is a read-only bit (0).
When SUBx is set to 1, the corresponding I 2 C-bus subaddress can be used during either
an I 2 C-bus read or write sequence.
7.3.8 LED All Call I 2 C-bus address, ALLCALLADR
Table 15.
ALLCALLADR - LED All Call I 2 C-bus address register (address 0Ch) bit
description
Legend: * default value.
Address
Register
Bit
Symbol
Access Value
Description
0Ch
ALLCALLADR
7:1
AC[7:1]
R/W
1110 000*
ALLCALL I 2 C-bus
address register
0
AC[0]
R only
0*
reserved
The LED All Call I 2 C-bus address allows all the PCA9633s in the bus to be programmed
at the same time (ALLCALL bit in register MODE1 must be equal to 1, power-up default
state). This address is programmable through the I 2 C-bus and can be used during either
an I 2 C-bus read or write sequence. The register address can be programmed as a
sub call.
Only the 7 MSBs representing the All Call I 2 C-bus address are valid. The LSB in
ALLCALLADR register is a Read-only bit (0).
If ALLCALL bit = 0, the device does not acknowledge the address programmed in register
ALLCALLADR.
PCA9633_5
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 25 July 2008
15 of 43
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