MTD800 データシートの表示（PDF） - Myson Century Inc

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MTD800

Integrated Fast Ethernet Controller

Myson Century Inc 

MYSON

TECHNOLOGY

MTD 800

(Preliminary)

Name

Addr ess Space

Indicator

Field

Bit 0~2

Descr iption

The value is 0 after har dware r eset.

This field is read only and loaded from EEPROM. These bits indi-

cate the location of CIS base address.

(1) The value of 2 indicates that the CIS is stored in EEPROM

Addr ess Space Off- Bit

set

3~27

ROM Image

Bit

28~31

(2) The value of 7 indicates that the CIS is stored in expansion

ROM.

The value is 0 after har dware r eset.

This field is read only and loaded from EEPROM. These bits con-

tains the address offset within the address space indicated by the

Address Space Indicator.

The value is 0 after har dware r eset.

This field is read only and loaded from EEPROM. The 4-Bit ROM

image field value when the CIS is in an expansion ROM.

4.1.7 Interrupt Register ( CFIR )

Table 4.8 The Content of Interrupt Register

Name

Inter r upt Line

Inter r upt Pin

Location Width

3CH

8-Bit

3DH

8-Bit

Descr iption

The value is 0 after har dware reset.

These bits is readable and writable. This field contains

the routing information of system interrupt controller.

This field is har dwir ed to 01H.

The value of 01H indicates the device uses INTA_ to

interrupt.

4.1.8 Class Code Register ( CFCCR )

Table 4.8 The Content of Class Code Register

4.1.9 Capabilities Pointer Register ( CFCPR )

Table 4.9 The Content of Capabilities Pointer Register

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MTD800 Revision 0.0 07/20/1999

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