Table 1. 24 Bit I/0 Port Pin Assignment
Pin No.
17
Signal Name
Signal Standard
Output port B4
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
18
Output port B5
19
Output port B6
20
Output port B7
21
Input/Output port C0
Input/Output port C1
Input/Output port C2
Input/Output port C3
22
23
24
25
Input/Output port D0 TTL level, latch output
Input/Output port D1 TTL level, latch output
Input/Output port D2 TTL level, latch output
Input/Output port D3 TTL level, latch output
26
27
28
29
Port C status
Port D status
Write strobe signal
ꢁ5 V pullup
TTL level, input mode; LOW, output mode: HIGH
30
TTL level, input mode; LOW, output mode: HIGH
31
TTL level, active low, pulse output (width: 10 µs, typical)
32
33
SWEEP END signal
ꢁ5 V
TTL level, active low, pulse output (width: 20 µs, typical)
ꢁ5 V, 100 mA MAX
34
35
PASS/FAIL signal
TTL level, PASS: HIGH, FAIL; LOW, latch output
TTL level, active low, pulse output (width: 10 µs, typical)
36
PASS/FAIL write
strobe signal
LAN Interface
Standard conformity
Protocol
10 Base-T Ethertwist, RJ45 connector
TCP/IP
Supported application
Telnet, FTP, FTP with automatic execution
25
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