Service manual
9. CONNECTOR PIN ASSIGNMENT
9.8 Service Manual BSM-4100
CN109 (for QM-421P flash memory)
Signal Description Signal Name Pin Number Signal Name Signal Description
Digital ground
Memory card data bit 4
Memory card data bit 6
Memory card chip enable 1
Memory card output enable
Memory card address bit 9
Memory card address bit 13
Memory card write enable
Supply voltage for memory card
Memory card address bit 16
Memory card address bit 12
Memory card address bit 6
Memory card address bit 4
Memory card address bit 2
Digital ground
Memory card data bit 1
Memory card write protect
Digital ground
Memory card data bit 11
Memory card data bit 13
Memory card data bit 15
Not connected
Not connected
Memory card address bit 18
Memory bank select bit 1
Supply voltage for memory card
Memory bank select bit 3
Memory bank select bit 5
Not connected
Not connected
Attribute/common memory select
Memory card battery status bit 1
Memory card data bit 9
Memory card detect bit 2
E2
ATAD4
ATAD6
XATACE1
XAOE
ATAA9
ATAA13
XAWE
+5V
ATAA16
ATAA12
ATAA6
ATAA4
ATAA2
E2
ATAD1
AWP
E2
ATAD11
ATAD13
ATAD15
NC
NC
ATAA18
ABNK1
+5V
ABNK3
ABNK5
NC
NC
XAREG
XABAT1
ATAD9
XACD2
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
ATAD3
ATAD5
ATAD7
ATAA10
ATAA11
ATAA8
ATAA14
XABSY
+5V
ATAA15
ATAA7
ATAA5
ATAA3
ATAA1
ATAD0
ATAD2
E2
XACD1
ATAD12
ATAD14
XATACE2
NC
ATAA17
ABNK0
ABNK2
+5V
ABNK4
ABNK6
ARST
NC
XABAT2
ATAD8
ATAD10
E2
Memory card data bit 3
Memory card data bit 5
Memory card data bit 7
Memory card address bit 10
Memory card address bit 11
Memory card address bit 8
Memory card address bit 14
Memory card busy
Supply voltage for memory card
Memory card address bit 15
Memory card address bit 7
Memory card address bit 5
Memory card address bit 3
Memory card address bit 1
Memory card data bit 0
Memory card data bit 2
Digital ground
Memory card detect bit 1
Memory card data bit 12
Memory card data bit 14
Memory card chip enable 2
Not connected
Memory card address bit 17
Memory bank select bit 0
Memory bank select bit 2
Supply voltage for memory card
Memory bank select bit 4
Memory bank select bit 6
Memory card reset
Not connected
Memory card battery status bit 2
Memory card data bit 8
Memory card data bit 10
Digital ground