COM20051I Datasheet, PDF (7/74 Pages) SMSC Corporation – Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

EMUL ALE
CONTROL
BUS
ALE
nPSEN
80C32
PORT1
ALE
ARCNET CORE (COM20010)
RD/WR nCS
INT
PORT0
AD0-AD7
TX
RX _PORT3
T0
T1
PORT2 A8-A15
ADDRESS
DECODER
INT0 INT1
INTERRUPT
ROUTER
INT0 INT1
nPULSE1
nPULSE2
TXEN
RXIN
FIGURE 1 – INTERNAL ARCHITECTURE OF THE COM20051I
SMSC DS – COM20051I
Page 7
Rev. 03/27/2000