I/O Allocation for CPM2C PCs
Expansion I/O Unit with 10 I/O Points
6 inputs
Word (m+1), bit 00
to
Word (m+1), bit 05
4 outputs
Word (n+1), bit 00
to
Word (n+1), bit 03
15
Bits
Inputs
m+1
Outputs
n+1
Expansion I/O Unit with 20 I/O Points
12 inputs
Word (m+1), bit 00
to
Word (m+1), bit 11
8 outputs
Word (n+1), bit 00
to
Word (n+1), bit 07
15
Bits
Inputs
m+1
Outputs
n+1
Expansion I/O Units with 24 I/O Points
16 inputs
Word (m+1), bit 00
to
Word (m+1), bit 15
8 outputs
Word (n+1), bit 00
to
Word (n+1), bit 07
15
Bits
Inputs
m+1
Outputs
n+1
CPM2C-10EDR
14
13
12
11
10
Do not use
CPM2C-20EDR
14
13
12
11
10
Do not use
CPM2C-24EDTC
CPM2C-24EDT1C
CPM2C-24EDTM
CPM2C-24EDT1M
14
13
12
11
10
09
08
07
06
05
09
08
07
06
05
09
08
07
06
05
Section
04
03
02
01
00
04
03
02
01
00
04
03
02
01
00
5-3
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