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參數(shù)資料
| 型號： | PCA9533DP01 |
| 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： | PCA9533DP01 |
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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PDF描述 |
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| PCA9533DP02 | 4-bit I2C LED dimmer |
| PCA9534 | 8-bit I2C and SMBus, low power I/O port with interrupt |
| PCA9535 | 16-bit I2C and SMBus, low power I/O port with interrupt |
| PCA9536 | 4-bit I2C and SMBus I/O port |
| PCA9538 | 8-bit I2C and SMBus low power I/O port with interrupt and reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9533DP02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED dimmer |
| PCA9534 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit I2C and SMBus, low power I/O port with interrupt |
| PCA9534A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9534A_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
| PCA9534A_101 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS |
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