IT8712F 데이터 시트보기 (PDF) - ITE Tech. INC.

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IT8712F

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

ITE Tech. INC. 

Contents

FIGURES

Figure 7-1. IT8712F Special Applications Circuitry for Intel ICH ....................................................................... 23

Figure 9-1. Start Frame Timing ......................................................................................................................... 66

Figure 9-2. Stop Frame Timing ......................................................................................................................... 66

Figure 9-3. General Logic of GPIO Function..................................................................................................... 69

Figure 9-4. Application Example. Resistor should provide approximately 2V at the Analog Inputs. ................. 88

Figure 9-5. Temperature Interrupt Response Diagram ..................................................................................... 90

Figure 9-6. SmartGuardian Automatic Mode..................................................................................................... 91

Figure 9-7. Smart Card Reader Application .................................................................................................... 129

Figure 9-8. 9600 Baud Rate Example ............................................................................................................. 130

Figure 9-9. Waveform Example of IFD ........................................................................................................... 131

Figure 9-10. Keyboard and Mouse Interface ................................................................................................... 143

Figure 9-11. CIR Block Diagram ..................................................................................................................... 146

Figure 11-1. Clock Input Timings .................................................................................................................... 161

Figure 11-2. LCLK (PCICLK) and LRESET Timings ....................................................................................... 161

Figure 11-3. LPC and SERIRQ Timings.......................................................................................................... 162

Figure 11-4. Serial Port, ASKIR, SIR and Consumer Remote Control Timings.............................................. 163

Figure 11-5. Modem Control Timings.............................................................................................................. 163

Figure 11-6. Floppy Disk Drive Timings .......................................................................................................... 164

Figure 11-7. EPP Address or Data Write Cycle Timings................................................................................. 165

Figure 11-8. EPP Address or Data Read Cycle Timings................................................................................. 166

Figure 11-9. ECP Parallel Port Forward Timings ............................................................................................ 166

Figure 11-10. ECP Parallel Port Backward Timings........................................................................................ 167

TABLES

Table 4-1. Pins Listed in Numeric Order ............................................................................................................. 8

Table 5-1. Pin Description of Supplies Signals.................................................................................................... 9

Table 5-2. Pin Description of LPC Bus Interface Signals .................................................................................... 9

Table 5-3. Pin Description of MIDI Interface Signals......................................................................................... 10

Table 5-4. Pin Description of Game Port Signals.............................................................................................. 10

Table 5-5. Pin Description of Hardware Monitor SignalsNote1 ............................................................................ 11

Table 5-6. Pin Description of Fan Controller Signals ........................................................................................ 13

Table 5-7. Pin Description of Infrared Port Signals ........................................................................................... 14

Table 5-8. Pin Description of Serial Port 1 Signals............................................................................................ 14

Table 5-9. Pin Description of Serial Port 2 Signals............................................................................................ 15

Table 5-10. Pin Description of Parallel Port Signals.......................................................................................... 16

Table 5-11. Pin Description of Floppy Disk Controller Signals .......................................................................... 17

Table 5-12. Pin Description of Smart Card Reader Interface Signals ............................................................... 17

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IT8712F V0.81

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