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參數(shù)資料
| 型號： | PCA9532 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16-bit I2C LED dimmer |
| 中文描述： | 16位I2C LED調(diào)光 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 154K |
| 代理商： | PCA9532 |
Philips Semiconductors
Product data
PCA9532
16-bit I
2
C LED dimmer
2003 May 02
11
Programming example
The following example will show how to set LED0 to LED3 on. It will
then set LED4 and LED5 to blink at 1 Hz at a 50% duty cycle. LED6
and LED7 will be set to be dimmed at 25% of their brightness (duty
cycle = 25%). LED8 to LED15 will be set to off.
Table 1.
I
2
C-bus
Start
S
PCA9532 address with A0-A2 = LOW
C0h
PSC0 subaddress + auto-increment
12h
Set prescaler PSC0 to achieve a period of 1 second:
Blink period
1
PSC0
1
152
PSC0 = 151
97h
Set PWM0 duty cycle to 50%:
PWM0
256
PWM0 = 128
0.5
80h
Set prescaler PCS1 to dim at maximum frequency
Blink period
maximum
PSC1 = 0
00h
Set PWM1 output duty cycle to 25%:
PWM1
256
0.25
PWM1 = 64
40h
Set LED0 to LED3 on
55h
Set LED4 and 5 to PWM0, and LED6 or 7 to PWM1
FAh
Set LED8 to LED11 off
00h
Set LED12 to LED15 off
00h
Stop
P
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9532BS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED dimmer |
| PCA9532BS,118 | 功能描述:LED照明驅(qū)動器 I2C LED DIMMER 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9532BS-T | 功能描述:LED照明驅(qū)動器 I2C LED DIMMER 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9532D | 功能描述:LED照明驅(qū)動器 I2C LED DIMMER 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9532D,112 | 功能描述:LED照明驅(qū)動器 I2C LED DIMMER 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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