P
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M
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N
A
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XpressFlow-2020 Series –
Ethernet Switch Chipset
EA218E
8-Port 10Mb Ethernet Access Controller
2.2.2 Motorola MPC801 Processor Interface
P_CLK
{CLKOUT}
P_ADS#
{TS#}
P_A[11:1]
{A[20:30]}
P_CS#
P_RWC
{RD/WR#}
P_RDY#
{TA#}
P_D[15:0]
{D[0:15]}
(in)
P_D[15:0]
{D[0:15]}
(out)
Note: Mnemonics with in {} are the equivalent signals defined by MPC801
Typical Motorola MPC801 CPU I/O Access Operations
2.2.3 Intel 486 Processor Interface
P_CLK
P_ADS#
P_A[11:1]
P_CS#
P_W/R#
P_RDY#
P_D[15:0] (in)
P_D[15:0] (out)
Typical 486 CPU I/O Access Operations
© 1998 Zarlink Semiconductor, Inc.
11
Rev.2.1 – February, 1999
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
