ML4664 Datasheet, PDF (12/16 Pages) Micro Linear Corporation – 10BASE-FL to 10BASE-T Converter

ML4664/ML4669
VREF
R1
VTHADJ
R2
REF
THRESH
GEN
Figure 10.
INPUTS
TPIN
None
LPS
Data
None
LPS
Data
None
LPS
Data
OPIN
None
None
None
Idle
Idle
Idle
Data
Data
Data
OPOUT
None (Idle)
Idle
Idle
None (Idle)
Idle
Data
None (Idle)
Idle
Data
OUTPUTS
TPOUT
LTF
None (LPS) OFF
None (LPS) ON
None (LPS) ON
LPS
OFF
LPS
ON
LPS
ON
LPS
OFF
Data
ON
Data
ON
STATUS LEDS
LMON TPLED OPLED
OFF OFF OFF
OFF OFF OFF
OFF ON OFF
ON OFF OFF
ON OFF OFF
ON ON OFF
ON OFF ON
ON OFF ON
ON ON ON
LPS = Link Pulses
ON = Low
OFF = High
Some simplifications made regarding LMON and LTF state machines, see system description.
Table 1. ML4669 Functionality. Differences in parentheses are for the ML4664.
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