COM20019I-DZD-TR SMSC, COM20019I-DZD-TR Datasheet - Page 21

• Manufacturer Part Number: COM20019I-DZD-TR
• Description: Network Controller & Processor ICs Arcnet Controller HP AutoMDIX
• Manufacturer: SMSC

Specifications of COM20019I-DZD-TR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SMSC COM20019I
Cost Competitive 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
Figure 5.5
STATUS/
RECONFIGURATION
DATASHEET
- INTERNAL BLOCK DIAGRAM
TIMER
SEQUENCER
REGISTERS
WORKING
MICRO-
Page 21
AND
2K x 8
RAM
NODE ID
LOGIC
OSCILLATOR
LOGIC
ADDITIONAL
TX/RX
REGISTERS
XTAL1
nPULSE1
nPULSE2
nTXEN
RXIN
XTAL2
Rev. 09-25-07