COM20020I-HT SMSC, COM20020I-HT Datasheet - Page 22

• Manufacturer Part Number: COM20020I-HT
• Description: Network Controller & Processor ICs ARCNET Contrllr
• Manufacturer: SMSC

Specifications of COM20020I-HT

• 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

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