Printronix Series 5 User Manual
Page 185
5–10
Interfaces
Table 5–4. 1284 Signals
Type of Mode
Pin
Source of Data
Compatible
Nibble
Byte
1
Host
nStrobe
HostClk
Host/Clk
2
Host/Printer
Data 1 (LSB)
3
Host/Printer
Data 2
4
Host/Printer
Data 3
5
Host/Printer
Data 4
6
Host/Printer
Data 5
7
Host/Printer
Data 6
8
Host/Printer
Data 7
9
Host/Printer
Data 8 (MSB)
10
Printer
nAck
PtrClk
PtrClk
11
Printer
Busy
PtrBusy
PtrBusy
12
Printer
PError
AckDataReq
AckDataReq
13
Printer
Select
Xflag
Xflag
14
Host
nAutoFd
Host Busy
HostAck
15
Not Defined
16
Logic Gnd
17
Chassis Gnd
18
Printer
Peripheral Logic High
19
Signal Ground (nStrobe)
20
Signal Ground (Data 1)
21
Signal Ground (Data 2)
22
Signal Ground (Data 3)
23
Signal Ground (Data 4)
24
Signal Ground (Data 5)
25
Signal Ground (Data 6)
26
Signal Ground (Data 7)
27
Signal Ground (Data 8)
28
Signal Ground (PError, Select, nAck)
29
Signal Ground (Busy, nFault)