ML6695 데이터 시트보기 (PDF) - Micro Linear Corporation

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ML6695

100BASE-X Fiber Physical Layer With 5-bit Interface

Micro Linear Corporation 

ML6695

PIN DESCRIPTION (Continued)

PIN NAME

FUNCTION

39

IOUT

40

AGND2

41

AVCC2

42

LPBK

Transmit LED output. This open-

collector current output drives

NRZI waveforms into an LED.

Output current can be set

externally by choosing RTSET

value.

Analog ground

Analog positive power supply

Loopback TTL input pin. Tying this

pin to ground places the part in

loopback mode; data at TSM0 0-4

are serialized, then sent to the

quantizer, followed by the receive

PLL for clock recovery, and finally

to the RSM<4:07> outputs.

Floating this pin or tying it to VCC

places the part in its normal mode

of operation.

PIN NAME

43

AVCC1

44 TXC

FUNCTION

Analog positive power supply

Transmit clock TTL input. This

25MHz clock is phase-aligned

with the internal 125MHz TX bit

clock. Data appearing at

Tsm<4:0> are clocked into the

ML6695 on the rising edge of this

clock.

4

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