COM20022I3V-HD SMSC, COM20022I3V-HD Datasheet - Page 29

• 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
Note 5.1
SMSC COM20022I 3V
Non-plenum-rated cables of this type are also available.
nWR/DIR
RG-62 Belden #86262
RG-59/U Belden #89108
RG-11/U Belden #89108
IBM Type 1
Belden #89688
IBM Type 3
Telephone Twisted Pair Belden
#1155A
COMCODE 26 AWG Twisted Pair
Part #105-064-703
nRD/nDS
AD0-AD2,
nIOCS16
D3-D15
nRESET
nINTR
nCS
CABLE TYPE
(Note 5.1)
(Note 5.1)
ARBITRATION
CIRCUITRY
DECODING
CIRCUITRY
ADDRESS
BUS
LOGIC
RESET
COMMAND
REGISTER
STATUS/
Figure 5.10
RECONFIGURATION
DATASHEET
Table 5.1 - Typical Media
TIMER
SEQUENCER
- Internal Block Diagram
REGISTERS
WORKING
MICRO-
AND
2K x 8
Page 29
RAM
IMPEDANCE
NOMINAL
150Ω
100Ω
105Ω
93Ω
75Ω
75Ω
NODE ID
LOGIC
OSCILLATOR
ADDITIONAL
TX/RX
LOGIC
REGISTERS
ATTENUATION PER
1000 FT. AT 5 MHZ
DMA
XTAL1
nPULSE1
nPULSE2
nTXEN
RXIN
XTAL2
17.9dB
16.0dB
5.5dB
7.0dB
5.5dB
7.0dB
nDACK
TC
DREQ
nREFEX
Revision 02-27-06