COM20020I-HT SMSC, COM20020I-HT Datasheet - Page 17

• 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
Figure 3 - Non-Multiplexed, 6801-Like Bus Interface With RS-485 Interface
6801
XTAL1
XTAL2
D0-D7
nIRQ1
nRES
R/nW
nIOS
A0
A1
A2
A7
nPULSE1
nPULSE2
nTXEN
RXIN
GND
N/C
RXIN
nPULSE1
nPULSE2
4, 13, 14
17, 19,
HYC9068 or
DATASHEET
HYC9088
0.47
nRD/nDS
27 pF
uF
nCS
nRESET
nWR/nDIR
D0-D7
A0/nMUX
A1
A2/BALE
nINTR
Page 17
FIGURE C
+
COM20022
10
6
uF
3
+5V
-5V
11
12
10
uF
*Valid for 2.5 Mbps only.
Traditional Hybrid
1/2W
5.6K
1/2W
5.6K
nPULSE1
nPULSE2
Configuration
TXEN
RXIN
GND
27 pF
0.47
uF
Differential Driver
Configuration
0.01 uF
1KV
*
Media Interface
may be replaced
with Figure A, B or C.
75176B or
Equiv.
Revision 09-11-06