F71872
IRQ Channel Select Register Index 70h
Bit
Name
R/W Default
Description
7-4 Reserved
-
-
Reserved.
Select the IRQ channel for Parallel Port.
3-0 SELPRTIRQ
R/W
7h
DMA Channel Select Register Index 74h
Bit
Name
R/W Default
Description
7-5 Reserved
-
-
Reserved.
4
3
ECP_DMA_MODE
Reserved
R/W
0
0: non-burst mode DMA.
1: enable burst mode DMA.
-
-
Reserved.
2-0 SELPRTDMA
R/W
011 Select the DMA channel for Parallel Port.
PRT Mode Select Register Index F0h
Bit
Name
R/W Default
Description
7
Reserved
-
-
Reserved.
6-3 ECP_FIFO_THR
2-0 PRT_MODE
R/W 1000 ECP FIFO threshold.
R/W
010 000: Standard and Bi-direction (SPP) mode.
001: EPP 1.9 and SPP mode.
010: ECP mode (default).
011: ECP and EPP 1.9 mode.
100: Printer mode.
101: EPP 1.7 and SPP mode.
110: Reserved.
111: ECP and EPP1.7 mode.
7.5.3 Device Registers
7.5.3.1 Parallel Port Data Register Base + 0
Bit
Name
R/W Default
Description
7-0 DATA
R/W 00h The output data to drive the parallel port data lines.
7.5.3.2 ECP Address FIFO Register Base + 0
Bit
Name
R/W Default
Description
63
July, 2007
V0.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
