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| 型號(hào)： | PCA9530DP |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類(lèi)： | LED驅(qū)動(dòng)器 |
| 英文描述： | 2-bit I2C-bus LED dimmer |
| 封裝： | PCA9530D<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 5, 2005,;PCA9530D<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 5, 2005,; |
| 文件頁(yè)數(shù)： | 24/24頁(yè) |
| 文件大?。?/td> | 143K |
| 代理商： | PCA9530DP |
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PCA9530_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 26 February 2009
9 of 24
NXP Semiconductors
PCA9530
2-bit I2C-bus LED dimmer
7.4 Bus transactions
Fig 10. Write to register
0
A
S
slave address
START condition
R/W
acknowledge
from slave
002aae502
0
AI
0
B2B1B0
0
command byte
A
acknowledge
from slave
12345678
SCL
9
SDA
DATA 1
A
write to register
data out from port
tv(Q)
acknowledge
from slave
DATA 1 VALID
data to register
10000
A0
1
Fig 11. Read from register
10000
A0
0
A
S1
START condition
R/W
acknowledge
from slave
002aae503
A
acknowledge
from slave
SDA
A
P
acknowledge
from master
data from register
DATA (first byte)
slave address
STOP
condition
S
(repeated)
START condition
(cont.)
1
A
R/W
acknowledge
from slave
slave address
at this moment master-transmitter becomes master-receiver
and slave-receiver becomes slave-transmitter
NA
no acknowledge
from master
data from register
DATA (last byte)
command byte
0
AI
0
B2 B1
0B0
Auto-Increment
register address
if AI = 1
10000
A0
1
Remark: This gure assumes the command byte has previously been programmed with 00h.
Fig 12. Read Input port register
10000
A0
1
A
S1
START condition
R/W
acknowledge
from slave
002aae504
A
acknowledge
from master
SDA
NA
read from
port
data into
port
P
th(D)
data from port
no acknowledge
from master
data from port
DATA 4
slave address
DATA 1
STOP
condition
DATA 2
DATA 3
DATA 4
tsu(D)
DATA 1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCA9531BS | 8-bit I2C-bus LED dimmer |
| PCA9531D | 8-bit I2C-bus LED dimmer |
| PCA9531PW | 8-bit I2C-bus LED dimmer |
| PCA9532BS | 16-bit I2C-bus LED dimmer |
| PCA9532D | 16-bit I2C-bus LED dimmer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9530DP,118 | 功能描述:LED照明驅(qū)動(dòng)器 I2C LED DIMMER 2BIT 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 |
| PCA9530D-T | 功能描述:LED照明驅(qū)動(dòng)器 2-BIT I2C FM OD LED DIM 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 |
| PCA9531 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit I2C-bus LED dimmer |
| PCA9531BS | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit I2C LED dimmer |
| PCA9531BS,118 | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED 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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