5 10/100 ethernet mac (emac) user interface – Rainbow Electronics AT91CAP9S250A User Manual

Page 806

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806

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

42.5

10/100 Ethernet MAC (EMAC) User Interface

Table 42-6.

10/100 Ethernet MAC (EMAC) Register Mapping

Offset

Register Name

Access

Reset

Value

0x00

Network Control Register

EMAC_NCR

Read/Write

0

0x04

Network Configuration Register

EMAC_NCFG

Read/Write

0x800

0x08

Network Status Register

EMAC_NSR

Read-only

-

0x0C

Reserved

0x10

Reserved

0x14

Transmit Status Register

EMAC_TSR

Read/Write

0x0000_0000

0x18

Receive Buffer Queue Pointer Register

EMAC_RBQP

Read/Write

0x0000_0000

0x1C

Transmit Buffer Queue Pointer Register

EMAC_TBQP

Read/Write

0x0000_0000

0x20

Receive Status Register

EMAC_RSR

Read/Write

0x0000_0000

0x24

Interrupt Status Register

EMAC_ISR

Read/Write

0x0000_0000

0x28

Interrupt Enable Register

EMAC_IER

Write-only

-

0x2C

Interrupt Disable Register

EMAC_IDR

Write-only

-

0x30

Interrupt Mask Register

EMAC_IMR

Read-only

0x0000_3FFF

0x34

Phy Maintenance Register

EMAC_MAN

Read/Write

0x0000_0000

0x38

Pause Time Register

EMAC_PTR

Read/Write

0x0000_0000

0x3C

Pause Frames Received Register

EMAC_PFR

Read/Write

0x0000_0000

0x40

Frames Transmitted Ok Register

EMAC_FTO

Read/Write

0x0000_0000

0x44

Single Collision Frames Register

EMAC_SCF

Read/Write

0x0000_0000

0x48

Multiple Collision Frames Register

EMAC_MCF

Read/Write

0x0000_0000

0x4C

Frames Received Ok Register

EMAC_FRO

Read/Write

0x0000_0000

0x50

Frame Check Sequence Errors Register

EMAC_FCSE

Read/Write

0x0000_0000

0x54

Alignment Errors Register

EMAC_ALE

Read/Write

0x0000_0000

0x58

Deferred Transmission Frames Register

EMAC_DTF

Read/Write

0x0000_0000

0x5C

Late Collisions Register

EMAC_LCOL

Read/Write

0x0000_0000

0x60

Excessive Collisions Register

EMAC_ECOL

Read/Write

0x0000_0000

0x64

Transmit Underrun Errors Register

EMAC_TUND

Read/Write

0x0000_0000

0x68

Carrier Sense Errors Register

EMAC_CSE

Read/Write

0x0000_0000

0x6C

Receive Resource Errors Register

EMAC_RRE

Read/Write

0x0000_0000

0x70

Receive Overrun Errors Register

EMAC_ROV

Read/Write

0x0000_0000

0x74

Receive Symbol Errors Register

EMAC_RSE

Read/Write

0x0000_0000

0x78

Excessive Length Errors Register

EMAC_ELE

Read/Write

0x0000_0000

0x7C

Receive Jabbers Register

EMAC_RJA

Read/Write

0x0000_0000

0x80

Undersize Frames Register

EMAC_USF

Read/Write

0x0000_0000

0x84

SQE Test Errors Register

EMAC_STE

Read/Write

0x0000_0000

0x88

Received Length Field Mismatch Register

EMAC_RLE

Read/Write

0x0000_0000

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