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