CS8900A-IQ3R Cirrus Logic Inc, CS8900A-IQ3R Datasheet - Page 110
CS8900A-IQ3R
Manufacturer Part Number
CS8900A-IQ3R
Description
Ethernet ICs IC 10Mbps Ethernet Controller 3.3V
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CS8900A-IQ3R
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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AEN switches high
Figure 32. Boundary Scan Continuity Cycle
CIRRUS LOGIC PRODUCT DATASHEET
and AEN becomes shift clock
output pins and bi-directional
ENTER BOUNDARY SCAN:
CS8900A resets, all digital
EXIT BOUNDARY SCAN:
All digital output pins and
bi-directional pins enters
Not in Boundary Scan
pins enter High-Z state,
AEN becomes ISA bus
OUTPUT CYCLE
Address Enable
INPUT CYCLE
Test Mode
High-Z state
AEN switches low
AEN switches high
TEST switches low (AEN must be low)
TEST switches high
AEN switches low
AEN switches high
AEN switches low
AEN switches high
34 cycles
50 cycles
Crystal LAN™ Ethernet Controller
Selected output
Selected input
EEDataOut
copied out
goes low
to the
pin
CS8900A
DS271F5
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