COM20022I3V-HD SMSC, COM20022I3V-HD Datasheet - Page 17

• Manufacturer Part Number: COM20022I3V-HD
• Description: Network Controller & Processor ICs ARCNET Contrllr
• Manufacturer: SMSC

Specifications of COM20022I3V-HD

• Data Rate: 10 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• 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

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM
Datasheet
SMSC COM20022I 3V
nPULSE1
nPULSE2
TXEN
RXIN
GND
Figure 5.1
8051
BACKPLANE CONFIGURATION
AD0-AD7
RESET
XTAL1
XTAL2
- Multiplexed, 8051 - Like Bus Interface with RS-485 Interface
nINT1
ALE
A15
FIGURE A
nWR
nRD
DATASHEET
A0/nMUX
AD0-AD2, D3-D7
A2/BALE
nRESET
nRD/nDS
nWR/DIR
27 pF
nCS
nINTR
+5V
100 Ohm
Page 17
XTAL1
COM20022
20 MHz
XTAL
nPULSE1
XTAL2
NOTE: COM20022 must be in backplane mode
RXIN
nPULSE1
nPULSE2
nTXEN
RXIN
GND
27 pF
FIGURE B
Differential Driver
Configuration
*
Media Interface
with Figure A, B or C.
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
Revision 02-27-06