controller optimized for use in industrial and automotive applications. Using an ARCNET protocol engine is the ideal solution for factory automation applications because it provides a
A
network. The deterministic nature of ARCNET is essential in mission critical applications. The integration of the 2Kx8 RAM buffer
With only one COM20020 and one microcontroller, a complete communications node may be implemented.
ARCNET is a registered trademark of Datapoint Corporation
PIN CONFIGURATION
A0/nMUX
A1
A2/ALE
AD0
AD1
AD2
D3
D4
D5
D6
D7
VSS
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VDD
nRD/nDS
nWR/DIR
nWR/DIR
nCS
nINTRnRD/nDS
nRESET IN | VDD |
nTXEN
A0/nMUX
RXIN
A1
nPULSE2
A2/ALE
nPULSE1
AD0
XTAL2
XTAL1
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nPULSE 1
XTAL2
XTAL1
VDD
VSS
N/C
D7
Packages:
Ordering Information:
COM20020 P
PACKAGE TYPE: P = Plastic, LJP = PLCC
TEMP RANGE: (Blank) = Commercial: 0°C to +70°C
I = Industrial:
DEVICE TYPE: 20020 = Universal Local Area Network Controller (with 2K x 8 RAM)
3