Harman Kardon HK 990/230 Service Manual page 76

Philips Semiconductors
2
16-bit I C and SMBus I/O port with interrupt
PIN CONFIGURATION — DIP, SO, SSOP, TSSOP
1
INT
2
A1
3
A2
4
I/O0.0
5
I/O0.1
6
I/O0.2
7
I/O0.3
8
I/O0.4
9
I/O0.5
10
I/O0.6
11
I/O0.7
V 12
SS
Figure 1. Pin configuration — DIP, SO, SSOP, TSSOP
PIN DESCRIPTION
PIN NUMBER
DIP, SO, SSOP, TSSOP HVQFN
1
2
3
4–11
12
13–20
21
22
23
24
2004 Sep 30
24 V
DD
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
su01438
SYMBOL SYMBOL
22 INT
23 A1
24 A2
1–8 I/O0.0–I/O0.7
9 V
SS
10–17 I/O1.0–I/O1.7
18 A0
19 SCL
20 SDA
21 V
DD
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
Figure 2. Pin configuration — HVQFN
FUNCTION FUNCTION
Interrupt output (open-drain)
Address input 1
Address input 2
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
74
Product data sheet
PCA9555
18 A0
I/O1.7
17
I/O1.6
16
I/O1.5
15
I/O1.4
14
I/O1.3
13
TOP VIEW
su01683