Signals - Printronix P7000 User Manual

Signals

Table 9 lists each of the signals associated with the corresponding pins on the
1284 interface. Descriptions of the signals follow.
Pin Source of Data
1 Host
2 Host/Printer
3 Host/Printer
4 Host/Printer
5 Host/Printer
6 Host/Printer
7 Host/Printer
8 Host/Printer
9 Host/Printer
10 Printer
11 Printer
12 Printer
13 Printer
14 Host
15
16
17
18 Printer
19
20
21
22
23
24
25
Table 9. 1284 Signals
Type of Mode
Compatible
nStrobe HostClk
Data 1 (LSB)
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8 (MSB)
nAck PtrClk
Busy PtrBusy
PError AckDataReq
Select Xflag
nAutoFd Host Busy
Not Defined
Logic Grid
Chassis Grid
Peripheral Logic High
Signal Ground (nStrobe)
Signal Ground (Data 1)
Signal Ground (Data 2)
Signal Ground (Data 3)
Signal Ground (Data 4)
Signal Ground (Data 5)
Signal Ground (Data 6)
Nibble Byte
Host/Clk
PtrClk
PtrBusy
AckDataReq
Xflag
HostAck
Signals
245