w83697 Winbond Electronics Corp America, w83697 Datasheet - Page 148

• Manufacturer Part Number: w83697
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CR28 (Default 0x00)
CR29 (GPIO1,5(50~51) & Game port & MIDI port Select default 0x00 )
CR2A(GPIO2 ~ 5& Fresh ROM Interface Select
Default 0xFF if PENROM# = 0 during POR, default 0x00 otherwise)
Bit 7 - 3 : Reserved.
Bit 2 - 0 : PRTMODS2 - PRTMODS0
Bit 7
Bit [6:5] : (Pin119)
Bit[4:3]
Bit 2
Bit 1~0 : Reserved
Bit 7
Bit 6
= 0xx
= 100
= 101
= 110
= 111
: Port Select (select Game Port or General Purpose I/O Port 1)
= 0
= 1
=00
=01
=10
=11
: (Pin 120)
=00
=01
=10
=11
:(Pin117)
OVT# & SMI Select(Pin117)
= 0
= 1
: (PIN 86 ~89 & 91 ~94)
= 0
= 1
: (PIN 78 ~ 85)
= 0
= 1
Game Port
General Purpose I/O Port 1 (pin121~128 select function GP10~GP17)
MSI
WDTO
Reserved
GP51
MSO
PLED
Reserved
GP50
OVT#
SMI#
GPIO 2
Fresh IF (xD7 ~ XD0)
GPIO 3
Fresh IF (XA7 ~ XA0)
Parallel Port Mode
Reserved
External FDC Mode
Reserved
External two FDC Mode
- 139 -
Publication Release Date: Feb. 2002
W83697HF/F
Revision 0.70