IT8712F View Datasheet(PDF) - ITE Tech. INC.

Part Name

Description

Manufacturer

IT8712F

Environment Control – Low Pin Count Input / Output(EC - LPC I/O)

ITE Tech. INC. 

IT8712F

Table 5-13. Pin Description of Keyboard Controller Signals ............................................................................. 19

Table 5-14. Pin Description of Miscellaneous Signals ...................................................................................... 19

Table 6-1. General Purpose I/O Group 1 (Set 1) .............................................................................................. 21

Table 6-2. General Purpose I/O Group 2 (Set 2) .............................................................................................. 21

Table 6-3. General Purpose I/O Group 3 (Set 3) .............................................................................................. 21

Table 6-4. General Purpose I/O Group 4 (Set 4) .............................................................................................. 22

Table 6-5. General Purpose I/O Group 5 (Set 5) .............................................................................................. 22

Table 7-1. Power On Strapping Options............................................................................................................ 23

Table 8-1. Global Configuration Registers ........................................................................................................ 27

Table 8-2. FDC Configuration Registers ........................................................................................................... 27

Table 8-3. Serial Port 1 Configuration Registers ............................................................................................... 27

Table 8-4. Serial Port 2 Configuration Registers ............................................................................................... 28

Table 8-5. Parallel Port Configuration Registers ............................................................................................... 28

Table 8-6. Environment Controller Configuration Registers.............................................................................. 28

Table 8-7. KBC(Keyboard) Configuration Registers.......................................................................................... 29

Table 8-8. KBC(Mouse) Configuration Registers .............................................................................................. 29

Table 8-9. GPIO Configuration Registers.......................................................................................................... 30

Table 8-10. GPIO Configuration Registers........................................................................................................ 31

Table 8-11. MIDI Port Configuration Registers ................................................................................................. 32

Table 8-12. Game Port Configuration Registers ............................................................................................... 32

Table 8-13. Consumer IR Configuration Registers ........................................................................................... 32

Table 8-14. Base Address of Logical Devices................................................................................................... 32

Table 9-1. Address Map on the LPC Bus .......................................................................................................... 71

Table 9-2. Environment Controller Registers .................................................................................................... 72

Table 9-3. Digital Output Register (DOR).......................................................................................................... 93

Table 9-4. Tape Drive Register (TDR) .............................................................................................................. 93

Table 9-5. Main Status Register (MSR) ............................................................................................................ 94

Table 9-6. Data Rate Select Register (DSR)..................................................................................................... 95

Table 9-7. Data Register (FIFO)........................................................................................................................ 96

Table 9-8. Digital Input Register (DIR) .............................................................................................................. 96

Table 9-9. Diskette Control Register (DCR) ...................................................................................................... 96

Table 9-10. Status Register 0 (ST0).................................................................................................................. 97

Table 9-11. Status Register 1 (ST1).................................................................................................................. 98

Table 9-12. Status Register 2 (ST2).................................................................................................................. 99

Table 9-13. Status Register 3 (ST3).................................................................................................................. 99

Table 9-14. Command Set Symbol Descriptions ............................................................................................ 100

Table 9-15. Command Set Summary.............................................................................................................. 102

Table 9-16. Effects of MT and N Bits .............................................................................................................. 110

Table 9-17. SCAN Command Result .............................................................................................................. 112

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IT8712F V0.81

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