R3765/67G Series Network Analyzer Operation Manual
7.16 Communication with Peripheral Devices
7-162
Figure 7-24 Schematic Circuit Diagram of Parallel I/O Port
(3)
Mode setting of port
To use a parallel I/O port, first set the mode setting of port. The combination of the setting
command and the Input/Output port is referred the above table.
(Example)
10
OUTPUT 36;19
20
OUTPUT 33;255
30
ENTER
37;A
Set the output port for port A and port B, and the input port for port CD.
(4)
Each port operation method
Describes the operation method by built-in BASIC.
OUTPUT statement (for output) and ENTER statement (for input) are used for data input/
output.
In the BASIC command (OUTPUT and ENTER statements), each port is distinguished by
the address used in the statement.
(a) BASIC format
OUTPUT (address)
; (output data)
ENTER (address)
; [variable]
(Input data are assigned to specified variable.)
Command
Output port
Input port
OUTPUT 36 ; 16
OUTPUT 36 ; 17
OUTPUT 36 ; 18
OUTPUT 36 ; 19
A, B, C, D
A, B, D
A, B, C
A, B
C
D
CD
Connector
Connector
Output port
Output 1,2
+5V
+5V
Input port
Input
3.3k
Ω
10k
Ω
Output current
H level -0.4mA
max
L level 8mA
max
Output current
H level -15mA
max
L level 24mA
max
