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XpressFlow-2001 Series –
Ethernet Switch Chip-set
EA-224
4-Port 10/100M Ethernet Access Controller
4.2.2 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
4.2.3 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
© 1997 Zarlink Semiconductor Inc.
Page: 11
Rev. 4.0 –December, 1997