ICS ELECTRONICS 4807, Instruction Manual

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2-36
2
TABLE 2-11 I/O SIGNAL-PIN ASSIGNMENTS
Signal Weighting User Signals
Signal Pin
Binary BCD/HEX Pin Signal Name
CH 8 Byte 1 Bit 7 MSN Bit 8 54
CH 7 Byte 1 Bit 6 MSN Bit 4 12
CH 6 Byte 1 Bit 5 MSN Bit 2 33
CH 5 Byte 1 Bit 4 MSN Bit 1 53
CH 4 Byte 1 Bit 3 MSN-1 Bit 8 11
CH 3 Byte 1 Bit 2 MSN-1 Bit 4 32
CH 2 Byte 1 Bit 1 MSN-1 Bit 2 52
CH 1 Byte 1 Bit 0 MSN-1 Bit 1 10
CH 16 Byte 2 Bit 7 MSN-2 Bit 8 15
CH 15 Byte 2 Bit 6 MSN-2 Bit 4 36
CH 14 Byte 2 Bit 5 MSN-2 Bit 2 56
CH 13 Byte 2 Bit 4 MSN-2 Bit 1 14
CH 12 Byte 2 Bit 3 MSN-3 Bit 8 35
CH 11 Byte 2 Bit 2 MSN-3 Bit 4 55
CH 10 Byte 2 Bit 1 MSN-3 Bit 2 13
CH 9 Byte 2 Bit 0 MSN-3 Bit 1 34
CH 24 Byte 3 Bit 7 MSN-4 Bit 8 39
CH 23 Byte 3 Bit 6 MSN-4 Bit 4 59
CH 22 Byte 3 Bit 5 MSN-4 Bit 2 17
CH 21 Byte 3 Bit 4 MSN-4 Bit 1 38
CH 20 Byte 3 Bit 3 MSN-5 Bit 8 58
CH 19 Byte 3 Bit 2 MSN-5 Bit 4 16
CH 18 Byte 3 Bit 1 MSN-5 Bit 2 37
CH 17 Byte 3 Bit 0 MSN-5 Bit 1 57
CH 32 Byte 4-bit 7 MSN-6 Bit 8 62
CH 31 Byte 4-bit 6 MSN-6 Bit 4 20
CH 30 Byte 4-bit 5 MSN-6 Bit 2 41
CH 29 Byte 4-bit 4 MSN-6 Bit 1 61
CH 28 Byte 4-bit 3 MSN-7 Bit 8 19
CH 27 Byte 4-bit 2 MSN-7 Bit 4 40
CH 26 Byte 4-bit 1 MSN-7 Bit 2 60
CH 25 Byte 4-bit 0 MSN-7 Bit 1 18
indicates signals also used as the Questionable Register inputs
1 Start button
2 Stop button
gnd = 0
gnd = 0
gnd = 0
11 Plus signal
12 Overrange sig
gnd = 0
gnd = 0
13 100's 1
14 10's 8
15 10's 4
16 10's 2
17 10's 1
18 1's 8
19 1's 4
20 1's 2
21 1's 1
-
31
LED G
32 LED F
33 LED E
34 LED D
35 LED C
36 LED B
37 LED A