NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 178
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NCT6627UD
Manufacturer Part Number
NCT6627UD
Description
Manufacturer
Nuvoton Technology Corporation of America
Datasheet
1.NCT6627UD.pdf
(250 pages)
Specifications of NCT6627UD
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Part Number:
NCT6627UD
Manufacturer:
NUVOTON
Quantity:
20 000
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17.3 Logical Device 1 (Parallel Port)
CR 30h. (Default 01h)
CR 60h, 61h. (Default 03h, 78h)
CR 70h. (Default 07h)
CR 74h. (Default 04h)
CR F0h. (Default 3Fh)
7~1
7~0
7~4
3~0
7~3
2~0
6~3
2~0
BIT
BIT
BIT
BIT
BIT
0
7
Reserved.
Reserved.
Reserved.
Reserved.
READ / WRITE
READ / WRITE
READ / WRITE
READ / WRITE
READ / WRITE
R / W
R / W
R / W
R / W
R / W
R / W
0: Logical device is inactive.
1: Logical device is active.
These two registers select PRT I/O base address.
<100h : FFCh> on 4-byte boundary (EPP not supported) or
<100h : FF8h> on 8-byte boundary (all modes supported, EPP is only
available when the base address is on 8-byte boundary).
These bits select IRQ resource for PRT.
These bits select DRQ resource for PRT.
000: DMA0.
1xx: No DMA active.
ECP FIFO Threshold.
Parallel Port Mode selection (CR28 bit2 PRTMODS2 = 0).
000: Standard and Bi-direction (SPP) mode.
001: EPP – 1.9 and SPP mode.
010: ECP mode.
011: ECP and EPP – 1.9 mode.
100: Printer Mode.
101: EPP – 1.7 and SPP mode.
110: Reserved.
111: ECP and EPP – 1.7 mode.
001: DMA1.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
010: DMA2.
-169-
W83627UHG/NCT6627UD
Publication Release Date: October 26, 2010
011: DMA3.
Revision 1.7
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