COM20020I-HD SMSC, COM20020I-HD Datasheet - Page 22
COM20020I-HD
Manufacturer Part Number
COM20020I-HD
Description
Network Controller & Processor ICs ARCNET Contrllr
Manufacturer
SMSC
Datasheet
1.COM20020I-HT.pdf
(69 pages)
Specifications of COM20020I-HD
Product
Controller Area Network (CAN)
Number Of Transceivers
1
Data Rate
5 Mbps
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Supply Current (max)
40 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Package / Case
TQFP-48
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SMSC COM20020I 3.3V Rev.E
5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
nWR/DIR
AD0-AD2,
nRD/nDS
D3-D7
nRESET
nINTR
nCS
ARBITRATION
CIRCUITRY
CIRCUITRY
DECODING
ADDRESS
BUS
LOGIC
RESET
COMMAND
REGISTER
STATUS/
Figure 7 - Internal Block Diagram
RECONFIGURATION
TIMER
DATASHEET
SEQUENCER
REGISTERS
WORKING
MICRO-
Page 22
AND
2K x 8
RAM
NODE ID
LOGIC
OSCILLATOR
LOGIC
ADDITIONAL
TX/RX
REGISTERS
XTAL1
nPULSE1
nPULSE2
nTXEN
RXIN
XTAL2
Revision 09-11-06
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