ISSI IS31IO7325, Руководство пользователя

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IS31IO7325 Multi-Function I/O Driver Evaluation Board Guide
Integrated Silicon Solution, Inc. – www.issi.com
2
R1.0, 08/13/2012
Pin
Connection
Port Power Up Default
AD1 AD0 PP7 PP6 PP5 PP4 PP3 PP2 PP1 PP0 OD7 OD6 OD5 OD4 OD3 OD2 OD1 OD0
GND GND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GND V
CC
0 0 0 0 1 1 1 1 0 0 0 0 Hi-Z Hi-Z Hi-Z Hi-Z
V
CC
GND 1 1 1 1 0 0 0 0 Hi-Z Hi-Z Hi-Z Hi-Z 0 0 0 0
V
CC
V
CC
1 1 1 1 1 1 1 1 Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z
Table2
Software support
Please refer to the datasheet to get more information about IS31IO7325
R14
100K R13
100K R12
100K R11
100K R10
100K R9
100K R8
100K R7
100K
1
2
3
4
5
6
7
8
TP7
1
2
3
4
5
6
7
8
TP6
1
2
TP5
1
2
TP4
1
2
TP3
OD0
OD1
OD2
OD3
OD4
OD5
OD6
OD7
PP0
PP1
PP2
PP3
PP4
PP5
PP6
PP7
VCC
VCC
C2
0.1uF
C1
10uF
R4
4.7K R1
4.7K R2
4.7K R3
4.7K
VCC
R5
100K R6
100K
SCL
SDA
INT
SCL
SDA
INT
RST
RST
AD0
AD1
PP0
1
PP1
2
PP2
3
PP3
4
OD0
5
OD1
6
OD2
7
OD3
8
GND
9
OD4
10
OD5
11
OD6
12
OD7
13
PP4
14
PP5
15
PP6
16
PP7
17
AD0
18
SCL
19
SDA
20
VCC
21
INT
22
RST
23
AD1
24
U1
IS31IO7325
VCC
TP1
TP2
AD1
AD0
Figure 2:IS31IO7325 Application Schematic
Bill of Materials
Name Symbol Description Qty Supplier Part No.
I/O IC U1 16 I/O Ports.Expander 1 ISSI IS31IO7325
Resistors R1~R4 RES,4.7k,1/16W,±5%,SMD 4
Resistors R5,R6 RES,100k,1/16W,±5%,SMD 2
Resistors R7~R14 RES,100k,1/16W,±5%,SMD 8
Capacitor C1 CAP,10µF,16V,±20%,SMD 1
Capacitor C2 CAP,0.1µF,16V,±20%,SMD 1
Table 3: Bill of Materials, refer to Figure 2 above.