MITX-CORE-820 datasheet(67/104 Pages) EMERSON-NETWORKPOWER

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Firmware

MITX-CORE-820 Installation and Use (6806800M10D)

5.2.4

Standard Logical Device Configuration Register

All the standard logical device configuration registers can be accessed by the host processor

after reset. All registers are read/write enabled. The following table shows the detailed

definition of standard logical device configuration registers.

Table 5-2 Standard Configuration Register Map

Index

Description

07h

Logical Device Number

This register selects the current logical device

number.

20h

Super I/O ID

Super I/O configuration register and ID

registers

21h

Super I/O Configuration 1

24h

Super I/O Chip Revision

25h

Super I/O Configuration 5

26h

Super I/O Configuration 6

27h

Super I/O Revision ID

28h

Super I/O General Purpose Scratch

29h

Super I/O Configuration 9

2Dh

Super I/O Configuration D

2Eh - 2Fh

Reserved for Nuvoton use

30h

Logical Device Control (Activate)

Enable or disable the logical device

60h - 61h

IO Base Address Descriptor 0

Indicates selected I/O lower limit address

62h - 63h

IO Base Address Descriptor 1

70h

Interrupt Number

Indicates selected interrupt number

71h

IRQ Type Select

Indicates the type and polarity of the interrupt

request number selected in 70h

74h

DMA Channel Select 0

Indicates selected DMA channel for DMA 0 or

DMA 1 of the logical device.

75h

DMA Channel Select 1

F0h - FFh

Device Specific Logical Device

Configuration

Special (vendor-defined) configuration

options.

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