MEA-224 Zarlink Semiconductor, Inc., MEA-224 Datasheet - Page 14

• Manufacturer Part Number: MEA-224
• Description: 4-Port, Layer 2 Fast Ethernet Access Controller
• Manufacturer: Zarlink Semiconductor, Inc.

XpressFlow-2001 Series –
Ethernet Switch Chip-set
©
1997
Register Description
Access Control Function (Chip Level controls)
Ethernet MAC Port Control Registers – (substitute [n] with Port Number, n = {0..3] )
AVXR
AVDR
AVTC
AXSC
AMIIC
AMIIS
AFCR
AMAR0 Multicast Address. for MAC Control Frames
AMAR1
AMAR2
AMCT
ADAR0
ADAR1
ADAR2
ECR0
ECR1
ECR2
ECR3
EXSR
EXEC
ERSR
EREC
(57(; (7:25.6
VLAN Control Table (VCT) Index Register
VCT Data Register
VLAN Type Code
Transmission Scheduling Control Register
MII Command Register
MII Status Register
Flow Control Register
MAC Control FrameType Code Register
Base MAC Address Register – Byte [1,0]
Base MAC Address Register – Byte [3,2]
Base MAC Address Register – Byte [5,4]
MAC Port Control Register
MAC Port Configuration Register
MAC Port Interrupt Mask Register
MAC Port Interrupt Status Register
MAC Tx Status Register
MAC Tx Error Counters
MAC Rx Status Register
MAC Rx Error Counters
P R E L I M I N A R Y
Byte [1,0]
Byte [3,2]
Byte [5,4]
4-Port 10/100M Ethernet Access Controller
Page: 14
D A T A
Endian
hCA0
hCB0
hCC0
hCD0
hCE0
hC00
hC10
hC20
hC30
hC40
hC40
hC70
hC80
hC90
h n 00
hn20
hn30
hn78
h n 10
hn40
hn50
hn68
Little
I/O Offset
S H E E T
Endian
hCB2
hCC2
hCD2
hC12
hC40
hC72
hCA2
hCE2
hC02
hC22
hC32
hC40
hC82
hC92
h n 02
h n 12
hn22
hn32
hn42
hn52
hn68
hn78
Big
Rev. 4.0 –December, 1997
16-bit
16-bit
16-bit
16-bit
32-bit
32-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
16-bit
32-bit
32-bit
Size
Reg.
W/R
W/R
W/--
W/R
W/R
W/R
W/--
W/R
W/R
W/R
W/R
W/R
W/R
W/R
W/R
W/R
W/R
--/R
--/R
--/R
--/R
--/R
--/R
EA-224
Note: