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參數(shù)資料
| 型號(hào)： | PCA9553D01 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | 4-bit I2C LED driver with programmable blink rates |
| 中文描述： | 4位I2C LED與可編程閃爍率司機(jī) |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 130K |
| 代理商： | PCA9553D01 |
Philips Semiconductors
Product data sheet
PCA9553
4-bit I
2
C LED driver with programmable blink rates
2004 Oct 01
8
Bus transactions
1
0
1
2
SCL
WRITE TO
REGISTER
DATA OUT
FROM PORT
3
4
5
6
7
8
SDA
S
0
A
A
A
1
1
0
0
0
DATA 1
slave address
data to register
start condition
R/W
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
t
pv
DATA 1 VALID
SW02002
9
B0
0
0
0
AI
0
B2
B1
command byte
Figure 10. WRITE to register
0
1
0
0
0
1
0
1
1
0
0
0
1
1
S
0
A
A
A
acknowledge
from slave
R/W
acknowledge
from slave
A
P
NA
acknowledge
from slave
acknowledge
from master
S
DATA
DATA
R/W
first byte
at this moment master-transmitter
becomes master-receiver and
slave-receiver becomes
slave-transmitter
last byte
SW02001
no acknowledge
from master
1
slave address
data from register
data from register
slave address
auto-increment
register address
if AI = 1
B0
0
0
0
AI
0
B2
B1
Figure 11. READ from register
1
1
0
0
0
1
0
READ FROM
PORT
DATA INTO
PORT
SDA
S
1
A
A
DATA 1
DATA 4
slave address
data from port
data from port
start condition
R/W
acknowledge
from slave
acknowledge
from master
stop
condition
t
ps
DATA 4
DATA 2
P
DATA 3
t
ph
SW01097
no acknowledge
from master
NA
DATA 1
NOTES:
1. This figure assumes the command byte has previously been programmed with 00h.
2. PCA9553/01 shown.
Figure 12. READ input port register
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9553D02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED driver with programmable blink rates |
| PCA9553DP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C LED driver with programmable blink rates |
| PCA9553DP/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit I2C-bus LED driver with programmable blink rates |
| PCA9553DP/01,118 | 功能描述:LED照明驅(qū)動(dòng)器 4BIT I2C FM OD LED BLK 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 |
| PCA9553DP/01118 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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