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參數(shù)資料
| 型號： | 935269192118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDSO16 |
| 封裝： | 7.50 MM, PLASTIC, MS-013, SOT-162-1, SO-16 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 140K |
| 代理商： | 935269192118 |
Philips Semiconductors
Product data
PCA9554/PCA9554A
8-bit I2C and SMBus I/O port with interrupt
2002 Jul 26
3
PIN CONFIGURATION — SO, SSOP, TSSOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
su01410
A0
A1
A2
I/O0
I/O1
I/O2
I/O3
VSS
VDD
SDA
SCL
INT
I/O7
I/O6
I/O5
I/O4
Figure 1. Pin configuration — SO, SSOP, TSSOP
PIN CONFIGURATION — HVQFN
12
11
10
9
5
6
7
8
1
2
3
4
16
15
14
13
su01670
TOP VIEW
A2
I/O0
I/O1
I/O2
I/O3
I/O4
VSS
I/O5
INT
I/O6
I/O7
SDA
VDD
A0
A1
SCL
Figure 2. Pin Configuration — HVQFN
PIN DESCRIPTION
SO. SSOP,
TSSOP PIN
NUMBER
HVQFN
PIN
NUMBER
SYMBOL
FUNCTION
1
15
A0
Address input 0
2
16
A1
Address input 1
3
1
A2
Address input 2
4–7
2–5
I/O0–3
I/O0 to I/O3
8
6
VSS
Supply ground
9
7–10
I/O4–7
I/O4 to I/O7
13
11
INT
Interrupt output (open drain)
14
12
SCL
Serial clock line
15
13
SDA
Serial data line
16
14
VDD
Supply voltage
BLOCK DIAGRAM
POWER-ON
RESET
INPUT
FILTER
I2C/SMBUS
CONTROL
INPUT/
OUTPUT
PORTS
WRITE pulse
READ pulse
A0
A1
A2
SCL
SDA
VDD
VSS
8-BIT
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
SU01411
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
VCC
INT
LP
FILTER
Figure 3. Block diagram
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