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參數資料
| 型號： | MEA224AG |
| 廠商： | CONEXANT SYSTEMS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PBGA352 |
| 封裝： | 35 X 35 MM, 2.33 MM HEIGHT, PLASTIC, MS-034, BGA-352 |
| 文件頁數： | 7/29頁 |
| 文件大?。?/td> | 519K |
| 代理商： | MEA224AG |
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PRELI
MI
NARY
D
A
TA
S
H
EET
XpressFlow-2001 Series –
EA-224
Ethernet Switch Chip-set
4-Port 10/100M Ethernet Access Controller
1997 Zarlink Semiconductor Inc.
Page: 14
Rev. 4.0 –December, 1997
I/O Offset
Register
Description
Little
Endian
Big
Endian
Reg.
Size
W/R
Note:
Access Control Function (Chip Level controls)
AVXR
VLAN Control Table (VCT) Index Register
hC00
hC02
16-bit
W/--
AVDR
VCT Data Register
hC10
hC12
16-bit
W/R
AVTC
VLAN Type Code
hC20
hC22
16-bit
W/R
AXSC
Transmission Scheduling Control Register
hC30
hC32
16-bit
W/R
AMIIC
MII Command Register
hC40
32-bit
W/--
AMIIS
MII Status Register
hC40
32-bit
--/R
AFCR
Flow Control Register
hC70
hC72
16-bit
W/R
AMAR0
Multicast Address. for MAC Control Frames
Byte [1,0]
hC80
hC82
16-bit
W/R
AMAR1
Byte [3,2]
hC90
hC92
16-bit
W/R
AMAR2
Byte [5,4]
hCA0
hCA2
16-bit
W/R
AMCT
MAC Control FrameType Code Register
hCB0
hCB2
16-bit
W/R
ADAR0
Base MAC Address Register – Byte [1,0]
hCC0
hCC2
16-bit
W/R
ADAR1
Base MAC Address Register – Byte [3,2]
hCD0
hCD2
16-bit
W/R
ADAR2
Base MAC Address Register – Byte [5,4]
hCE0
hCE2
16-bit
W/R
Ethernet MAC Port Control Registers – (substitute [n] with Port Number, n = {0..3] )
ECR0
MAC Port Control Register
hn00
hn02
16-bit
W/R
ECR1
MAC Port Configuration Register
hn10
hn12
16-bit
W/R
ECR2
MAC Port Interrupt Mask Register
hn20
hn22
16-bit
W/R
ECR3
MAC Port Interrupt Status Register
hn30
hn32
16-bit
--/R
EXSR
MAC Tx Status Register
hn40
hn42
16-bit
--/R
@
EXEC
MAC Tx Error Counters
hn50
hn52
16-bit
--/R
@
ERSR
MAC Rx Status Register
hn68
32-bit
--/R
@
EREC
MAC Rx Error Counters
hn78
32-bit
--/R
@
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