MEA-208 Zarlink Semiconductor, Inc., MEA-208 Datasheet - Page 5

• Manufacturer Part Number: MEA-208
• Description: 6+2 Ports Ethernet Access Controller
• Manufacturer: Zarlink Semiconductor, Inc.

XpressFlow-2020 Series –
Ethernet Switch Chipset
© 1998 Vertex Networks, Inc.
1999
M4,N2,L3,M1,M2,L1,K3,
L2,K4,K1,J3,K2,J1,J2,
H3,H1,H2,G3,G1,G2,F1,F3,F
2,E1,E3,E2,D1,D3,D2,C1,C2,
B1
A6,B6,C8,A7,D8,D7,C9,
A8,B8,A9,C10,B9,D10,
A10,C11,B10,A11
C7
D5,A5,A3
D7,E4,B5,C4
C6,B4,A4,C5
B3
G4
Ethernet Access Port cont. [7:0]
AF20,AE17,AD12,AD9,
AC2,T25
AC25,AF6
AD19,AD16,AE14,AF10,AC2
1U24
AC24,AE7
AF18,AD14,AE12,AF8,
W2,AA25,AE22,AD1
AE19,AF15,AF12,AD8,
W1,AA24
AF22,AF2
AE20,AF16,AF13,AE10,
Y1,W25
AF23,AE4
AD18,AD15,AE13,AF9,
Y2,Y26
AE23,AF3
AF19,AE16,AD11,AE9,
V3,AA26
AD21,AE3
AD17,AE15,AF11,AE8,
V1,AB26
AD20,AC23
AE18,AD13,AD10,AD7,
U3,AB24,
AF21,AD2
AF17,AF14,AE11,AF7,
V2,AB25,
AE21,AB3
Pin No(s).
Control Buffer Memory Interface
P
R
E
L
I
L_D[31:0]
L_A[18:2]
L_A[19] /
L_OE[3]#
L_OE[2:0]#
L_WE[3:0]#
L_BWE[3:0]#
L_ADSC#
L_CLK
T[7:2]_RXD
T[1:0]_RXD
T[7:2]_RXC
T[1:0]_RXC
T[7:0]_TXC
T[7:2]_TXEN
T[1:0]_TXEN
T[7:2]_TXD
T[1:0]_TXD
T[7:2]_LPBK • CMOS Out
T[1:0]_LPBK • CMOS Output
T[7:2]_FD
T[1:0]_FD
T[7:2]_COL
T[1:0]_COL
T[7:2]_CRS
T[1:0]_CRS
T[7:2]_LNK
T[1:0]_LNK
M
I
Symbol
N
• CMOS Out
• CMOS Output
• TTL In (5VT)
• TTL In (5VT)
A
TTL I/O-TS
CMOS Output
CMOS Output
CMOS Output
CMOS Output
CMOS Output
CMOS Output
CMOS Output
TTL In (5VT)
TTL In (5VT)
TTL In (5VT)
TTL In (5VT)
TTL In (5VT)
CMOS Out
CMOS Output
CMOS Out
CMOS Output
TTL In (5VT)
TTL In (5VT)
TTL In (5VT)
TTL In (5VT)
R
Y
6+2
I
Type
‚
5
‚
‚
‚
‚
‚
‚
‚
‚
‚
N
Ports 10Mb Ethernet Access Controller
F
8mA
8mA
8mA
2mA
2mA
8mA
8mA
8mA
4mA
4mA
2mA
2mA
O
Name and Functions
R
Local Memory Bus – Data Bit [31:0]
Local Memory Bus – Address Bit [17:2]
Local Memory Bus – Address Bit [19] or Memory
Read Chip Select [3]
Local Memory Read Chip Select [2:0]
Local Memory Write Chip Select [3:0]
Local Memory Byte Write Enable, Byte [3:0]
Local Memory Controller Address Status
Local Memory Clock input
Receive Data – (one for each 10Mbps Serial In-
terface Port)
Receive Clock – (one for each 10Mbps Serial In-
terface Port)
Transmit Clock – (one for each 10Mbps Serial In-
terface Port)
Transmit Enable – (one for each 10Mbps Serial
Interface Port)
Transmit Data – (one for each 10Mbps Serial In-
terface Port)
Loop Back Enable – (one for each 10Mbps Serial
Interface Port)
Full Duplex Mode – (one for each 10Mbps Serial
Interface Port)
Collision Detected – (one for each 10Mbps Serial
Interface Port)
Carrier Sense – (one for each 10Mbps Serial In-
terface Port)
Link Status – (one for each 10Mbps Serial Inter-
face Port)
M
A
T
I
O
N
Rev. 2.1- February,
EA218