W83697UF 데이터 시트보기 (PDF) - Winbond

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W83697UF

WINBOND LPC I/O

Winbond 

W83697UF/W83697UG

Bit [3:2]: (Pin112)

00 SCC8

01 SOUTD

10 Reserved

11 GP72

Bit [1:0]: (Pin114)

00 SCC4

01 NRID

10 Reserved

11 GP70

6.5 Logical Device 0 (FDC)

CR30 (Default 0x01 if PNPCSV = 0 during POR, default 0x00 otherwise)

Bit [7:1]: Reserved.

Bit 0: 1 Activates the logical device.

0 Logical device is inactive.

CR60, CR61 (Default 0x03, 0xf0 if PNPCSV = 0 during POR, default 0x00, 0x00 otherwise)

These two registers select FDC I/O base address [0x100:0xFF8] on 8 byte boundary.

CR70 (Default 0x06 if PNPCSV = 0 during POR, default 0x00 otherwise)

Bit [7:4]: Reserved.

Bit [3:0]: These bits select IRQ resource for FDC.

CR74 (Default 0x02 if PNPCSV = 0 during POR, default 0x04 otherwise)

Bit [7:3]: Reserved.

Bit [2:0]: These bits select DRQ resource for FDC.

= 0x00 DMA0

= 0x01 DMA1

= 0x02 DMA2

= 0x03 DMA3

= 0x04 - 0x07 No DMA active

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Publication Release Date: May 26, 2005

Revision A1

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