W83627EHF_0611 Datasheet, PDF (104/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
Continued.
BIT READ / WRITE
DESCRIPTION
PIN75 Select (reset by RSMRST#)
1
R/W
= 0 PIN75Æ RSMRST#
= 1 PIN75Æ GPIO51
PIN77 Select (reset by RSMRST#)
0
R/W
= 0 PIN77Æ WDTO#
= 1 PIN77Æ GPIO50
CR 2Eh. (Default 00h)
BIT READ / WRITE
DESCRIPTION
7~0
R/W
Test Mode Bits: Reserved for Winbond.
CR 2Fh. (Default 00h)
BIT READ / WRITE
DESCRIPTION
7~0
R/W
Test Mode Bits: Reserved for Winbond.
7.2 Logical Device 0 (FDC)
CR 30h. (Default 01h)
BIT READ / WRITE
DESCRIPTION
7~1 Reserved.
0: Logical device is inactive.
0
R/W
1: Activate the logical device.
CR 60h, 61h. (Default 03h,F0h)
BIT READ / WRITE
DESCRIPTION
7~0
R/W
These two registers select FDC I/O base address <100h : FF8h> on 8
bytes boundary.
CR 70h. (Default 06h)
BIT READ / WRITE
DESCRIPTION
7~4 Reserved.
3~0
R/W
These bits select IRQ resource for FDC.
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