Radio Shack TRS-80 II - MODII_16_TRM_FDC_REV_Page_12.jpg

12
J2lFOC Board to Line Printer) SIGNAL DESCRIPTIONS
SIGNAL
PIN NAME DESCRIPTION
1
PSTS·
Data Strobe
2 GND Power Ground
3 POAT 0 Data Bit 010 Printer
4 GND Power Ground
5
PDAT 1
Oala Bit 1 ta Printer
6
GND Power Ground
7 PDAT 2 Data Bit 2 ta Printer
8 GND Power Ground
•
PDAT 3
Data Bit 3
ta Prinler
10
GND Power Ground
11
POAT 4
Data Bit 4
ta Printer
12 GND Power Ground
13 PDAT 5
Oata Bit 5 to
Printer
14
GND Power Ground
15 PDAT 6
Data Bit 6
ta Printer
16 GND
Power Ground
17 PDAT 7
Data Bit 7
ta Printer
18
GND Power Ground
"
PACK·
Printer Data Acknowledge
20
GND
Power Ground
21
BUSY
Printer
Busy
22
GND
Power Ground
23 PE
Paper Empty
24
GND
Power Ground
25 PSEL
Printer Selecled
26 PAlME
Printer Aeset
27
GND Power Ground
28
FAULT
PrintBr Fault
2.
Ne
Not Connected
30
Ne
Not ConnectBd
31 GND
Power Ground
32 Ne
Not Connected
33
GND
Power Ground
34
Ne
Not Connected
°lndicates
an inverted signal or an active low signal.