SN7325 Si-En, SN7325 Datasheet - Page 7

• Manufacturer Part Number: SN7325
• Description: Multi Function I/O Driver
• Manufacturer: Si-En

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Table 1 Power up default state for I/O Ports
AD1
Table 2 Command byte register
Jan. 2009, Ver1.0
V
V
connection
GN
GN
D
D
CC
CC
Pin
Command byte address(hex)
AD0
V
V
GN
GN
D
D
CC
CC
PP
7
0
0
1
1
00
01
02
03
04
05
06
07
PP
6
0
0
1
1
PP
5
0
0
1
1
PP
4
0
0
1
1
PP
3
0
1
0
1
Input port A (OD0~OD7)
Input port B (PP0~PP7)
Port A interrupt control
Port B interrupt control
Port B configuration
Port A configuration
PP
2
0
1
0
1
Output port A
Output port B
function
PP
1
0
1
0
1
Port Power Up Default
7
PP
0
0
1
0
1
Hi-Z
Hi-Z
OD
7
0
0
Hi-Z
Hi-Z
OD
6
0
0
Power-up default
Hi-Z
Hi-Z
OD
XXXX XXXX
XXXX XXXX
Refer to table1
Refer to table1
5
0
0
0000 0000
0000 0000
0000 0000
0000 0000
Hi-Z
Hi-Z
OD
4
0
0
Hi-Z
Hi-Z
OD
3
0
0
SI-EN technology
Hi-Z
Hi-Z
OD
2
0
0
Protocol
SN7325
R/W
R/W
R/W
R/W
R/W
R/W
R
R
Hi-Z
Hi-Z
OD
1
0
0
Hi-Z
Hi-Z
OD
0
0
0