Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
1046
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
45.6
Ethernet MAC 10/100 (EMAC) User Interface
Table 45-6. Register Mapping
Offset
Register Name
Access
Reset
0x00
Network Control Register
EMAC_NCR
Read-write
0
0x04
Network Configuration Register
EMAC_NCFGR
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