sm5221-001 SamHop Microelectronics Corp., sm5221-001 Datasheet - Page 8

• Manufacturer Part Number: sm5221-001
• Description: Keys Encoder
• Manufacturer: SamHop Microelectronics Corp.

Internal ROM is set as follows:
ROM 3
C7, C6, C5,C4,C3 of Custom Code High-Order 8 Bits
ROM2
Custom code' low-order 8 bits
C
0
0'
ROM 3 - 0
ROM 3 - 1
ROM 3 - 2
ROM 3 - 3
ROM3
C
0
1'
三合微科股份有限公司
S
AM
C
0
2'
H
OP
0
C
3'
Microelectronics Corp.
0
C
4'
C7
1
0
1
1
0
C
5'
C6
0
0
0
1
0
C
6'
C5
0
0
0
0
1
C
7'
C4
Page 8
1
0
0
0
C3
1
0
0
1
KI / O6
Yes
Yes
No
No
SM5221-001/002
32 KEYS ENCODER
Pull-Up resistor
V.2.0 Mar 8,2002
KI / O7
Yes
Yes
No
No