參數(shù)資料
型號(hào)： PCA9533D01
廠商： NXP Semiconductors N.V.
英文描述： 4-bit I2C LED dimmer
中文描述： 4位I2C LED調(diào)光
文件頁數(shù)： 10/18頁
文件大?。?/td> 133K
代理商： PCA9533D01
Philips Semiconductors
Product data sheet
PCA9533
4-bit I
2
C LED dimmer
2004 Oct 01
10
Programming example
The following example will show how to set LED0 and LED1 off. It
will set LED2 to blink at 1 Hz, 50 % duty cycle. LED3 will be set to
be dimmed at 25 % of their maximum brightness
(duty cycle = 25 %). PCA9533/01 is used in this example.
Table 1.
I
2
C-bus
Start
S
PCA9533 address
C4h
PSC0 subaddress + auto-increment
11h
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
0.5
PWM0 = 128
80h
Set prescaler PWM1 to dim at maximum frequency
Blink period
maximum
PSC1 = 0
00h
Set PWM1 output duty cycle to 25 %:
PWM1
256
PWM1 = 64
0.25
40h
Set LED0 on, LED1 off, LED2 set to blink at PSC0,
PWM0, LED3 set to blink at PCS1, PWM1
E1h
Stop
P
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PCA9533D02 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED dimmer
PCA9533DP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED dimmer
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PCA9533DP/01,118 功能描述:LED照明驅(qū)動(dòng)器 I2C LED DIMMER 4BIT 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
PCA9533DP/02 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C-bus LED dimmer
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