![Figure 2-8 Compatible Mode](/images/new-backgrounds/127610/127610103x1.webp)
Part 2: Product Specifications |
0.5μs 0.5μs 0.5μs Min. Min. Min.
Data
STROBE
Min.0.8μs
BUSY
ACKNLG
4μs (When HS mode is invalid)
1284 Active
Ack Data Req
Data (1 to 8)
Host Busy
Host Clk
Ptr Clk
Ptr Busy
nData Avail
Xflag
1284 Active
nAck Reverse Data (1 to 8)
Host Ack
Host Clk
Periph Clk
Periph Ack
nPeriph Req Xflag
Figure 2-8 Compatible Mode
Bit2 | Bit6 |
0000 0000 | Invalid |
Printer Busy | Bit3 | Bit7 |
|
Ptr Host | Bit0 | Bit4 |
|
With data |
|
|
|
Nibble mode | Bit1 | Bit5 |
|
Support |
|
|
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| TP | TP | TP |
|
| TP: minimum set up |
Figure 2-9 Nibble Mode
0001 0000 | Byte0 | Byte1 |
| nCmd | nCmd |
ECP mode Support
TP | TP | TP | TP |
|
| TP: minimum set up | |
|
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