Signals - Printronix T4204 User Manual

Signals

Table 9 lists each of the signals associated with the corresponding pins on the
IEEE 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. IEEE 1284 Signals
Compatible
nStrobe
Data 1 (LSB)
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8 (MSB)
nAck
Busy
PError
Select
nAutoFd
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)
Type of Mode
Nibble Byte
HostClk Host/Clk
PtrClk PtrClk
PtrBusy PtrBusy
AckDataReq AckDataReq
Xflag Xflag
Host Busy HostAck
Signals
181