COM20019ILJPTR SMSC, COM20019ILJPTR Datasheet - Page 16

• Manufacturer Part Number: COM20019ILJPTR
• Description: Network Controller & Processor ICs Arcnet (ANSI 878.1) Controllr 2k x 8 Ram
• Manufacturer: SMSC

Specifications of COM20019ILJPTR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev. 09-25-07
nPULSE1
nPULSE2
TXEN
RXIN
GND
Figure 5.1 - MULTIPLEXED, 8051-LIKE BUS INTERFACE WITH RS-485 INTERFACE
8051
BACKPLANE CONFIGURATION
AD0-AD7
RESET
XTAL1
XTAL2
nINT1
ALE
A15
FIGURE A
nWR
nRD
DATASHEET
A0/nMUX
27 pF
AD0-AD2, D3-D7
A2/BALE
nRESET
nRD/nDS
nWR/DIR
nCS
nINTR
+5V
100 Ohm
Page 16
Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
XTAL1
COM20019I
20 MHz
XTAL
nPULSE1
XTAL2
NOTE: COM20019 must be in backplane mode
RXIN
nPULSE1
nPULSE2
nTXEN
RXIN
GND
27 pF
FIGURE B
Differential Driver
Configuration
*
Media Interface
with Figure A or B.
may be replaced
+5V
+5V
75176B or
Equiv.
2
6
7
3
2
6
7
2 Fiber Interface
(ST Connectors)
HFD3212-002
HFE4211-014
Transmitter
Receiver
SMSC COM20019I