P
R
E
L
I
M
I
N
A
R
Y
I
N
F
O
R
M
A
T
I
O
N
XpressFlow-2020 Series –
Ethernet Switch Chipset
EA218
6+2 Ports 10Mb Ethernet Access Controller
1. PIN ASSIGNMENT
1.1 Logic Symbol
EA-218
TEST
Test Pin
L_D[31:0]
L_A[18:2]
Tm_RXD
Tm_RXC
4
4
4
L_BWE[3:0]#
L_WE[3:0]#
Tm_TXC
Tm_TXEN
Tm_TXD
L_OE[3:0]#
L_ADSC#
L_CLK
Tm_LPBK
Tm_FD
P_D[15:0]
P_A[11:1]
Tm_COL
Tm_CRS
Tm_LNK
P_CS#
P_ADS#
P_RWC
P_BS16#
P_RDY#
P_INT
10BaseT
Serial Xface
Mm_RXD[3:0] Tm_RXD
Mm_RXDV
MII Mode
4
Mm_RXC
Tm_RXC
P_RST#
P_CLK
Mm_RXER
Mm_TXER
Mm_TXC
Tm_TXC
Tm_TXEN
Tm_TXD
S_D[31:0]
Mm_TXEN
Mm_TXD[0]
Mm_TXD[1]
Mm_TXD[2]
Mm_TXD[3]
S_MSGEN#
S_EOF#
S_IRDY
S_TABT#
S_OVLD#
Tm_LPBK
Tm_FD
Mm_COL
Mm_CRS
Mm_LNK
Tm_COL
Tm_CRS
Tm_LNK
S_HPREQ#
S_REQ#
S_GNT#
MII Serial
Managem't
M_MDC
M_MDIO
S_CLK
© 1998 Zarlink Semiconductor, Inc.
3
Rev. 2.1- February, 1999