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Part 2: Product Specifications
1284 Active
Ack Data Req
Data (1 to 8)
Host Busy
Host Clk
Ptr Clk
Ptr Busy
Data Avail
1284 Active
Ack Reverse
Data
(1 ~ 8)
Host Ack
Host Clk
Periph Clk
Periph Ack
Periph Req
Xflag
0000 0000
Printer Busy Status
Printer
Xflag
Figure 2-11 Timing Chart (Nibble Mode)
0001 0000
ECP mode supported
TP
TP
Figure 2-12 Timing Chart (ECP Mode)
Bit2
Unknown
Bit3
Host
Bit0
Data
Bit1
Nibble mode
supported
TP
Byte0
Byte1
nCmd
nCmd
2-18
BJC-5000
Bit6
Bit7
Bit4
Bit5
TP
TP
TP
TP
TP: Min. setting
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