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F85226 Datasheet(PDF) 3 Page - Feature Integration Technology Inc.

Part # F85226
Description  LPC to ISA Bridge
Download  44 Pages
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Manufacturer  FINTEK [Feature Integration Technology Inc.]
Direct Link  http://www.fintek.com.tw/eng
Logo FINTEK - Feature Integration Technology Inc.

F85226 Datasheet(HTML) 3 Page - Feature Integration Technology Inc.

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Fintek
Feature Integration Technology Inc.
F85226
July, 2007
V0.25P
II
F85226
Table of Contents
1.
General Description.............................................................................................................. 1
2.
Features ............................................................................................................................... 1
3.
Key Specifications ................................................................................................................ 1
4.
Block Diagram ...................................................................................................................... 2
5.
Pin Configuration .................................................................................................................. 3
6.
Pin Descriptions.................................................................................................................... 3
6.1 Power Pin .......................................................................................................................4
6.2 Power on strapping signal .............................................................................................. 4
6.3 LPC interface .................................................................................................................. 4
6.4 ISA interface ...................................................................................................................5
7.
Function Description........................................................................................................... 10
7.1 LPC interface: ............................................................................................................... 10
7.1.1 IO/Memory Read and Write Cycles ........................................................................... 12
7.1.2 DMA Read and Write Cycles ..................................................................................... 12
7.1.3 Booting Memory Read and Write Cycles ................................................................... 12
7.2 Serialized Interrupt........................................................................................................ 13
7.3 LPC DMA...................................................................................................................... 14
8.
Registers Description ......................................................................................................... 15
8.1 Entry Key. ..................................................................................................................... 15
8.2 Configuration and Control Register – Index 03h ........................................................... 15
8.3 GPIO1 Function Select Register – Index 04h ............................................................... 16
8.4 GPIO2 Function Select Register – Index 05h ............................................................... 17
8.5 System Clock Register – Index 06h.............................................................................. 17
8.6 System Power down Register – Index 10h ................................................................... 18
8.7 GPIO Port Define Register (Low byte)– Index 11h ....................................................... 18
8.8 GPIO Port Define Register (High byte)– Index 12h ...................................................... 19
8.9 Address Decoder Register (I) – Index 013h.................................................................. 19
8.10 Address Decoder Register (II) – Index 014h............................................................... 20
8.11 GPIO Input Control Register – Index 15h.................................................................... 20
8.12 GPIO Output Data Register – Index 16h..................................................................... 21
8.13 GPIO1x Input Register – Index 17h ............................................................................ 21
8.14 GPIO2 Input Control Register – Index 18h ................................................................. 22
8.15 GPIO2 Output Data Register – Index 19h................................................................... 22
8.16 GPIO2 Input Register – Index 1Ah ............................................................................. 23
8.17 LED & IRQIN Control Register – Index 1Bh ............................................................... 23


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