Agilent Technologies E5052A Programmer's Manual page 496

Communication with External Instruments Using 24-bit I/O Port
I/O Signal Pin Layout and Description
Table C-1 Description of the 24-bit Interface I/O Signals
Pin
number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
496
Signal name Signal
direction
GND ——
/INPUT1 Input
/OUTPUT1 Output
/OUTPUT2 Output
/PORT A0 Output
/PORT A1 Output
/PORT A2 Output
/PORT A3 Output
/PORT A4 Output
/PORT A5 Output
/PORT A6 Output
/PORT A7 Output
/PORT B0 Output
/PORT B1 Output
/PORT B2 Output
/PORT B3 Output
/PORT B4 Output
/PORT B5 Output
/PORT B6 Output
/PORT B7 Output
/PORT C0 Input/Output
/PORT C1 Input/Output
/PORT C2 Input/Output
/PORT C3 Input/Output
/PORT D0 Input/Output
/PORT D1 Input/Output
/PORT D2 Input/Output
/PORT D3 Input/Output
Description
Ground
When this port receives a negative pulse,
/OUTPUT1 and /OUTPUT2 are changed to the
Low level.
Changes to the Low level when /INPUT1 receives
a negative pulse. A command is available for
altering the Low/High level logic.
Changes to the Low level when /INPUT1 receives
a negative pulse. A command is available for
altering the Low/High level logic.
Bit 0 of the port A (8-bit parallel output port)
Bit 1 of the port A
Bit 2 of the port A
Bit 3 of the port A
Bit 4 of the port A
Bit 5 of the port A
Bit 6 of the port A
Bit 7 of the port A
Bit 0 of the port B (8-bit parallel output port)
Bit 1 of the port B
Bit 2 of the port B
Bit 3 of the port B
Bit 4 of the port B
Bit 5 of the port B
Bit 6 of the port B
Bit 7 of the port B
Bit 0 of the port C (4-bit parallel I/O port)
Bit 1 of the port C
Bit 2 of the port C
Bit 3 of the port C
Bit 0 of the port D (4-bit parallel I/O port)
Bit 1 of the port D
Bit 2 of the port D
Bit 3 of the port D
C