DM9010BEP datasheet(29/62 Pages) DAVICOM

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DM9010B

Single Chip Ethernet Controller with General Processor Interface

Preliminary

Version: DM9010B--DS-P01

September 5, 2007

6.43 Memory Data Read Command without Address Increment Register (F1H)

Bit

Name

Default

Description

7:0

MRCMDX1

X,RO

Read data from RX SRAM. After the read of this command, the read pointer of

internal SRAM is unchanged.

6.44 Memory Data Read Command with Address Increment Register (F2H)

Bit

Name

Default

Description

7:0

MRCMD

X,RO

Read data from RX SRAM. After the read of this command, the read pointer is

increased by 1,2, or 4, depends on the operator mode (8-bit,16-bit and 32-bit

respectively)

6.45 Memory Data Read address Register (F4H~F5H)

Bit

Name

Default

Description

7:0

MDRAH

PHS0,RW Memory Data Read_ addresses High Byte. It will be set to 0Ch, when IMR bit7 =1

7:0

MDRAL

PHS0,RW Memory Data Read_ address Low Byte

6.46 Memory Data Write Command without Address Increment Register (F6H)

Bit

Name

Default

Description

7:0

MWCMDX

X,WO

Write data to TX SRAM. After the write of this command, the write pointer is

unchanged

6.47 Memory data write command with address increment Register (F8H)

Bit

Name

Default

Description

7:0

MWCMD

X,WO

Write Data to TX SRAM

After the write of this command, the write pointer is increased by 1, 2, or 4, depends

on the operator mode. (8-bit, 16-bit,32-bit respectively)

6.48 Memory data write address Register (FAH~FBH)

Bit

Name

Default

Description

7:0

MDRAH

PHS0,RW Memory Data Write_ address High Byte

7:0

MDRAL

PHS0,RW Memory Data Write_ address Low Byte

6.49 TX Packet Length Register (FCH~FDH)

Bit

Name

Default

Description

7:0

TXPLH

PHS0,RW TX Packet Length High byte

7:0

TXPLL

PHS0,RW TX Packet Length Low byte

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