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參數資料
| 型號： | 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 |
| 文件頁數： | 9/21頁 |
| 文件大小： | 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
9
Bus transactions
A1
A0
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
A2
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
SW02000
9
B0
0
0
0
AI
B3
B2
B1
command byte
Figure 10. WRITE to register
0
0
A2
A1
A0
1
1
0
0
A0
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
SW01099
no acknowledge
from master
1
slave address
data from register
data from register
slave address
auto-increment
register address
if AI = 1
A1
A2
AI B3
B0
0
0
B1
B2
0
Figure 11. READ from register
1
1
0
0
A2
A1
A0
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
SW01096
no acknowledge
from master
NA
DATA 1
NOTE:
1. This figure assumes the command byte has previously been programmed with 00h.
Figure 12. READ input port register
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| PCA9554 | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554A | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554AN | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554N | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9559PWDH | 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9552D | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9552D,112 | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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