PCA9539 查看數據表（PDF） - Philips Electronics
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PCA9539 Datasheet PDF : 21 Pages
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Philips Semiconductors
16-bit I2C and SMBus, low power I/O port
with interrupt and reset
Product data sheet
PCA9539
PIN CONFIGURATION — SO, TSSOP
INT 1
A1 2
RESET 3
I/O0.0 4
I/O0.1 5
I/O0.2 6
I/O0.3 7
I/O0.4 8
I/O0.5 9
I/O0.6 10
I/O0.7 11
VSS 12
24 VDD
23 SDA
22 SCL
21 A0
20 I/O1.7
19 I/O1.6
18 I/O1.5
17 I/O1.4
16 I/O1.3
15 I/O1.2
14 I/O1.1
13 I/O1.0
SW02200
Figure 1. Pin configuration — SO, TSSOP
PIN DESCRIPTION
SO, TSSOP
PIN NUMBER
1
2
3
4–11
12
13–20
21
22
23
24
HVQFN
PIN NUMBER
22
23
24
1–8
9
10–17
18
19
20
21
PIN CONFIGURATION —HVQFN
I/O0.0 1
I/O0.1 2
I/O0.2 3
I/O0.3 4
I/O0.4 5
I/O0.5 6
18 A0
17 I/O1.7
16 I/O1.6
15 I/O1.5
14 I/O1.4
13 I/O1.3
TOP VIEW
SW02201
Figure 2. Pin configuration — HVQFN
SYMBOL
INT
A1
RESET
I/O0.0–I/O0.7
VSS
I/O1.0–I/O1.7
A0
SCL
SDA
VDD
FUNCTION
Interrupt output (open drain)
Address input 1
Active LOW reset input
I/O0.0 to I/O0.7
Supply ground
I/O1.0 to I/O1.7
Address input 0
Serial clock line
Serial data line
Supply voltage
2004 Sep 30
3
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