参数资料
型号: PCA9532D,112
厂商: NXP Semiconductors
文件页数: 9/29页
文件大小: 0K
描述: IC LED DRIVER RGB 24-SOIC
产品培训模块: LED Controllers
I²C Bus Fundamentals
标准包装: 30
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: RGB
频率: 400kHz
电源电压: 2.3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SO
包装: 管件
工作温度: -40°C ~ 85°C
产品目录页面: 844 (CN2011-ZH PDF)
其它名称: 568-1039-5
935272838112
PCA9532D
NXP Semiconductors
PCA9532
16-bit I 2 C-bus LED dimmer
6.4 Pins used as GPIOs
LEDn pins not used to control LEDs can be used as General Purpose I/Os (GPIOs).
For use as input, set LEDn to high-impedance (00) and then read the pin state via the
INPUT0 or INPUT1 register.
For use as output, connect external pull-up resistor to the pin and size it according to the
DC recommended operating characteristics. LEDn output pin is HIGH when the output is
programmed as high-impedance, and LOW when the output is programmed LOW through
the ‘LED selector’ register. The output can be pulse-width controlled when PWM0 or
PWM1 are used.
6.5 Power-on reset
When power is applied to V DD , an internal Power-On Reset (POR) holds the PCA9532 in
a reset condition until V DD has reached V POR . At that point, the reset condition is released
and the PCA9532 registers are initialized to their default states, all the outputs in the
OFF state. Thereafter, V DD must be lowered below 0.2 V to reset the device.
6.6 External RESET
A reset can be accomplished by holding the RESET pin LOW for a minimum of t w(rst) . The
PCA9532 registers and I 2 C-bus state machine will be held in their default states until the
RESET input is once again HIGH.
This input requires a pull-up resistor to V DD if no active connection is used.
PCA9532_4
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 17 March 2009
9 of 29
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PCA9532PW,118-CUT TAPE 制造商:NXP 功能描述:PCA9532 Series 16-Bit I2C-Bus and SMBus I/O Expander LED Dimmer - TSSOP - 24