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FENIX IMVICO SM2000 OPERATION MANUAL
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Specification
Description
Symbol
Min(ns)
Max(ns)
Data hold time
tHold
750
--
Data setup time
tSetup
750
--
STROBE pulse width
tSTB
750
--
READY cycle idle time
tReady
0
--
BUSY output delay time
tBUSY
0
500
Data processing time
tReply
0
∞
ACKNLG pulse width
tACK
500
10
µ
s
BUSY release time
tnBUSY
0
∞
ACK cycle idle time
tNext
0
--
2.4.2- Reverse mode (Data transmission from the printer to the host system)
The transmission of the printer status to the host system is implemented according to the IEEE1284
standard (
NIBBLE MODE
).
2.4.3- Pin assignments for each mode
Pin
Source
Compatibility mode
Nibble mode
1
Host Sys.
nStrobe
HostClk
2
Host Sys/printer
Data0 (LSB)
Data0 (LSB)
3
Host Sys/printer
Data1
Data1
4
Host Sys/printer
Data2
Data2
5
Host Sys/printer
Data3
Data3
6
Host Sys/printer
Data4
Data4
7
Host Sys/printer
Data5
Data5
8
Host Sys/printer
Data6
Data6
9
Printer
Data7 (MSB)
Data7 (MSB)
10
Printer
nAck
PrtClk
11
Printer
Busy
PrtBusy/Data3,7
12
Printer
PError
AckDataReq/Data2,6
13
Printer
Selected
Xflag/Data1,5
14
Host Sys.
nAutofeed
HostBusy
15
NC
ND
16
GND
GND
17
FG
FG
18
Printer
Logic-H
Logic-H
19-30
GND
GND
31
Host Sys.
nInit
nInit
32
Printer
nFault
nDataAvail/Data0,4
33
GND
ND