Epson EPL-N2000, Service Manual

Page: 30 / 188

Table 1-13. Timing in Compatibility Mode
Description *
1
Minimum Typical Maximum
(1) DATA setup
0.5
µ
s
(2) DATA hold
0.5
µ
s
(3) STROBE
↑
pulse width
↓
0.5
µ
s
(4) BUSY
↓
to STROBEX
↓
0 s
(5) STROBEX
↓
to BUSY
↑
0.5 ms
(6) BUSY
↓
to STROBEX
↓
0 s
(7) ACKX pulse width
0.5
µ
s 1
µ
s*
2
(8) ACKX
↑
to BUSY
↓
0 s
(9) BUSY
↑
to PE
↑
or ERRX
↓
2 ms*
(10) PE
↓
or ERRX
↑
to BUSY
↓
2 ms*
(11) Power on to signal output valid
0.5
µ
s
(12) PE
↓
or ERRX
↑
to ACKX
↓
2 ms*
(13) STROBEX
↑
to ACKX
↓
0 s*
*1: Signals ending in "X" are Active LOW.
*2: SE specification
Table 1-14. Pin Assignments for Parallel B Type I/F
Pin Compatibility Mode Nibble Mode ECP Mode I/O
1 nStrobe HostClk I
2 to 9 DATA 1 to DATA 8 I/O
10 nAcknlg PtrCLK PeriphClk O
11 Busy PtrBusy PeriphAck O
12 PError AckDataReq nAckReverse O
13 Select Xflag O
14 nAutofeed HostBusy HostAck I
15 NC —
16 GND —
17 FG —
18 PeripheralLogicHigh O
19 to 30 GND —
Product Description EPL-N2000 Service Manual
1-18 Rev. A