9551 查看數據表（PDF） - NXP Semiconductors.
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9551 Datasheet PDF : 26 Pages
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NXP Semiconductors
5. Pinning information
5.1 Pinning
PCA9551
8-bit I2C-bus LED driver with programmable blink rates
A0 1
A1 2
A2 3
LED0 4
LED1 5
LED2 6
LED3 7
VSS 8
PCA9551D
16 VDD
15 SDA
14 SCL
13 RESET
12 LED7
11 LED6
10 LED5
9 LED4
002aac500
Fig 2. Pin configuration for SO16
A0 1
A1 2
A2 3
LED0 4
LED1 5
LED2 6
LED3 7
VSS 8
PCA9551PW
16 VDD
15 SDA
14 SCL
13 RESET
12 LED7
11 LED6
10 LED5
9 LED4
002aac501
Fig 3. Pin configuration for TSSOP16
terminal 1
index area
A2 1
LED0 2
LED1 3
LED2 4
PCA9551BS
12 SCL
11 RESET
10 LED7
9 LED6
Transparent top view
Fig 4. Pin configuration for HVQFN16
002aac502
5.2 Pin description
PCA9551_8
Product data sheet
Table 2.
Symbol
A0
A1
A2
LED0
LED1
LED2
LED3
VSS
LED4
LED5
LED6
Pin description
Pin
SO16, TSSOP16
1
2
3
4
5
6
7
8
9
10
11
HVQFN16
15
16
1
2
3
4
5
6[1]
7
8
9
Description
address input 0
address input 1
address input 2
LED driver 0
LED driver 1
LED driver 2
LED driver 3
supply ground
LED driver 4
LED driver 5
LED driver 6
Rev. 08 — 31 July 2008
© NXP B.V. 2008. All rights reserved.
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