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参数资料
| 型号： | PCA9553DP02 |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | LED驱动器 |
| 英文描述： | 4-bit I2C LED driver with programmable blink rates |
| 中文描述： | 4位I2C LED与可编程闪烁率司机 |
| 文件页数： | 8/18页 |
| 文件大小： | 130K |
| 代理商： | PCA9553DP02 |
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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相关代理商/技术参数 |
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| PCA9553TK | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-bit I2C-bus LED driver with programmable blink rates |
| PCA9553TK,118 | 功能描述:LED照明驱动器 4BIT I2C FM OD LED RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| PCA9553TK/02 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:4-bit I2C-bus LED driver with programmable blink rates |
| PCA9553TK/02,118 | 功能描述:LED照明驱动器 LED DRVR 4Segment 2.5V/3.3V/5V 8-Pin RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| PCA9553TK-T | 功能描述:LED照明驱动器 4BIT I2C FM OD LED BLK RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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