W83627DHG-PT Nuvoton Technology Corporation of America, W83627DHG-PT Datasheet - Page 212

• Manufacturer Part Number: W83627DHG-PT
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG-PT

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

21.3 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: Activate the logical device.
*: If customer need EXTFDC function, bit 0 should be 0.
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.
W83627DHG-P/W83627DHG-PT
001: DMA1.
-202-
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
010: DMA2.
Publication Release Date: July 09, 2009
011: DMA3.
Version 1.94