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base + 02
15
14
16
Write
Read
base + 04
15
14
16
Write
Read
base + 06
15
14
16
Write
Read
base + 08
15
14
16
Write
Read
base + 0A
15
14
16
Write
VLD* A_D* B_D*
Read
base + 0C
15
14
16
Write
Read
base + 0E
15
14
16
Write
Read
Appendix B
Device Type Register
13
12
11
10
Status/Control Register
13
12
11
10
Undefined
Undefined
Scan Control Register
13
12
11
10
Undefined
Undefined
Scan Channel Delay Register
13
12
11
10
Undefined
Undefined
Scan Channel Configuration Register
13
12
11
10
C1
C0
X
Direct Channel Configuration Register
13
12
11
10
Undefined
Direct Control Register
13
12
11
10
Undefined
9
8
7
6
Undefined
Model Code
9
8
7
6
X
X
1
1
9
8
7
6
X
X
1
1
9
8
7
6
X
X
1
1
9
8
7
6
X
X
X
X
Undefined
9
8
7
6
X
X
Undefined
9
8
7
6
X
X
Undefined
HP E1351A/53A Register-Based Programming 85
5
4
3
2
5
4
3
2
X
TRG
DIR
IRQ
INT
EN
1
BSY*
1
1
5
4
3
2
X
RST
CNT
IMM
PTR
EN
EN
1
1
CNT
IMM
EN
EN
5
4
3
2
X
X
D3
D2
1
1
D3
D2
5
4
3
2
X
X
D3
D2
5
4
3
2
X
X
D3
D2
5
4
3
2
X
VLD* A_D* B_D*
1
0
1
0
X
CRD
RST
IRQ* IRQ
EN*
1
0
DBS
CLR
EN
SCN
DBS
CLR
EN
SCN
1
0
D1
D0
D1
D0
1
0
D1
D0
1
0
D1
D0
1
0
C1
C0
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