參數(shù)資料
型號(hào)： PCA9552
廠商： NXP Semiconductors N.V.
英文描述： GT 10C 10#16 SKT RECP BOX RM
中文描述： 16位I2C LED與可編程閃爍率司機(jī)
文件頁數(shù)： 11/21頁
文件大?。?/td> 166K
代理商： PCA9552
Philips Semiconductors
Product data sheet
PCA9552
16-bit I
2
C LED driver with programmable blink rates
2004 Oct 01
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 blink at 4 Hz and at a 25% duty cycle. LED8
to LED15 will be set to off.
Table 1.
I
2
C-bus
Start
S
PCA9552 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
44
PSC0 = 43
2Bh
Set PWM0 duty cycle to 50%:
256 – PWM0
256
PWM0 = 128
0.5
80h
Set prescaler PCS1 to achieve a period of 0.25
seconds:
Blink period
0.25
PSC1
1
44
PSC1 = 10
0Ah
Set PWM1 output duty cycle to 25%:
256 – PWM1
256
0.25
PWM1 = 192
C0h
Set LED0 to LED3 on
00h
Set LED4 and 5 to PWM0, and LED6 or 7 to PWM1
FAh
Set LED8 to LED11 off
55h
Set LED12 to LED15 off
55h
Stop
P
相關(guān)PDF資料
PDF描述
PCA9554 8-bit I2C and SMBus I/O port with interrupt
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PCA9554AN 8-bit I2C and SMBus I/O port with interrupt
PCA9554N 8-bit I2C and SMBus I/O port with interrupt
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9552_06 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates
PCA9552BS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates
PCA9552BS,118 功能描述:LED照明驅(qū)動(dòng)器 16-BIT I2C FM OD LED BLK RST 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
PCA9552D 功能描述:LED照明驅(qū)動(dòng)器 I2C LED BLINKR 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
PCA9552D,112 功能描述:LED照明驅(qū)動(dòng)器 I2C LED BLINKR 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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