W83697HG Datasheet, PDF (71/109 Pages) Winbond – WINBOND LPC I/O

W83697HF/ HG
CR28 (Default 0x00)
Bit 7 - 3: Reserved.
Bit 2 - 0: PRTMODS2 - PRTMODS0
= 0xx Parallel Port Mode
= 100 Reserved
= 101 External FDC Mode
= 110 Reserved
= 111 External two FDC Mode
CR29 (GPIO1,5(50~51) & Game port & MIDI port Select default 0x00 )
Bit 7 : Port Select (select Game Port or General Purpose I/O Port 1)
= 0 Game Port
= 1 General Purpose I/O Port 1 (pin121~128 select function GP10~GP17)
Bit [6:5] : (Pin119)
00 MSI
01 WDTO#
10 Reserved
11 GP51
Bit[4:3] : (Pin 120)
00 MSO
01 PLED
10 Reserved
11 GP50
Bit 2
:(Pin117)
OVT# & SMI Select(Pin117)
= 0 OVT#
= 1 SMI#
Bit 1~0 : Reserved
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