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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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VT8231 데이터시트(PDF) 37 Page - List of Unclassifed Manufacturers |
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VT8231 데이터시트(HTML) 37 Page - List of Unclassifed Manufacturers |
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37 / 132 page  VT8231 Preliminary Revision 0.8 October 29, 1999 -31- Register Overview 7HFKQRORJLHV ,QF :H &RQQHFW :H &RQQHFW Super-I/O Configuration Registers (I/O Space) Port Super-I/O Configuration Registers Default Acc 3F0 Super-I/O Config Index (Rx85[1]=1) 00 RW 3F1 Super-I/O Config Data (Rx85[1]=1) 00 RW Super-I/O Config Registers (Indexed via Port 3F0/1) Offset Super-I/O Control Default Acc 00-DF -reserved- 00 RO E0 Super-I/O Device ID 3C RW E1 Super-I/O Device Revision 00 RW E2 Function Select 00 RW E3 Floppy Ctrlr Base Addr (def = 3F0-7) FC RW E4-E5 -reserved- 00 RO E6 Parallel Port Base Addr (def = 378-F) DE RW E7 Serial Port 1 Base Addr (def = 3F8-F) FE RW E8 Serial Port 2 Base Addr (def = 2F8-F) BE RW E9-ED -reserved- 00 RO EE Serial Port Configuration 00 RW EF Power Down Control 00 RW F0 Parallel Port Control 00 RW F1 Serial Port Control 00 RW F2 Test Mode (Do Not Program) 00 RW F3 -reserved- 00 RO F4 Test Mode (Do Not Program) 2 00 RW F5 -reserved- 00 RO F6 Floppy Controller Configuration 00 RW F7 -reserved- 00 RO F8 Floppy Controller Drive Select 00 RW F9-FB -reserved- 00 RO FC General Purpose I/O 00 RW FD-FF -reserved- 00 RO Super-I/O I/O Ports Offset Floppy Disk Controller (3F0-3F7) Default Acc 00-01 -reserved- 00 -- 02 FDC Command -- RW 03 -reserved- 00 -- 04 FDC Main Status -- RO 04 FDC Data Rate Select 00 WO 05 FDC Data -- RW 06 -reserved- 00 -- 07 Diskchange Status -- RO 07 FDC Configuration Control 00 WO Offset Parallel Port (378-37F typical) Default Acc 00 Parallel Port Data -- RW 01 Parallel Port Status -- RO 02 Parallel Port Control E0 RW 03 EPP Address RW 04 EPP Data Port 0 RW 05 EPP Data Port 1 RW 06 EPP Data Port 2 RW 07 EPP Data Port 3 RW 400h ECP Data / Configuration A RW 401h ECP Configuration B RW 402h ECP Extended Control RW Offset Serial Port 1 (COM1=3F8, 3=3E8) Default Acc 0 Transmit (Wr) / Receive (Rd) Buffer RW 1 Interrupt Enable RW 2 FIFO Control WO 2 Interrupt Status RO 3UART Control RW 4 Handshake Control RW 5UART Status RW 6 Handshake Status RW 7 Scratchpad RW 9-8 Baud Rate Generator Divisor RW A-F -undefined- -- Offset Serial Port 2 (COM2=2F8, 4=2E8) Default Acc 0 Transmit (Wr) / Receive (Rd) Buffer RW 1 Interrupt Enable RW 2 FIFO Control WO 2 Interrupt Status RO 3UART Control RW 4 Handshake Control RW 5UART Status RW 6 Handshake Status RW 7 Scratchpad RW 9-8 Baud Rate Generator Divisor RW A-F -undefined- -- |
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