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F85226 Datasheet(PDF) 3 Page - Feature Integration Technology Inc. |
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F85226 Datasheet(HTML) 3 Page - Feature Integration Technology Inc. |
3 / 44 page ![]() 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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