W83627HF/ F/ HG/ G
7.7
REGISTERS AND RAM............................................................................................... 42
8.
9.
SERIAL IRQ.............................................................................................................................. 76
8.1
8.2
8.3
Start Frame .................................................................................................................. 76
IRQ/Data Frame........................................................................................................... 76
Stop Frame .................................................................................................................. 77
CONFIGURATION REGISTER ................................................................................................ 78
9.1
Plug and Play Configuration ........................................................................................ 78
9.1.1 Compatible PnP..............................................................................................................78
9.1.2 Configuration Sequence.................................................................................................79
9.2
Chip（Global）Control Register.................................................................................. 81
Logical Device 0 （FDC）........................................................................................... 87
Logical Device 1 （Parallel Port）............................................................................... 91
Logical Device 2 （UART A） ..................................................................................... 93
Logical Device 3 （UART B） ..................................................................................... 94
Logical Device 5 （KBC）........................................................................................... 96
Logical Device 6 （CIR） ............................................................................................ 97
Logical Device 7 （Game Port, MIDI Port and GPIO Port 1）.................................... 97
Logical Device 8 （GPIO Port 2 and Watch Dog Timer） ......................................... 98
Logical Device 9 （GPIO Port 3, VSB powered）..................................................... 100
Logical Device A （ACPI）........................................................................................ 101
Logical Device B （Hardware Monitor） ................................................................... 108
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
9.11
9.12
9.13
10.
11.
SPECIFICATIONS .................................................................................................................. 110
10.1
10.2
Absolute Maximum Ratings ....................................................................................... 110
DC CHARACTERISTICS........................................................................................... 110
APPLICATION CIRCUITS ...................................................................................................... 118
11.1
11.2
11.3
Parallel Port Extension FDD ...................................................................................... 118
Parallel Port Extension 2FDD .................................................................................... 118
Four FDD Mode ......................................................................................................... 119
12.
13.
14.
15.
ORDERING INSTRUCTION................................................................................................... 120
HOW TO READ THE TOP MARKING.................................................................................... 120
PACKAGE DIMENSIONS....................................................................................................... 121
APPENDIX A ： DEMO CIRCUIT .......................................................................................... 122
Publication Release Date: June 09, 2006
- iii -
Revision 2.27
WINBOND [ WINBOND ]
