GENNUM CORPORATION

522 - 80 - 00

6

36

CLK_EN

I

Clock enable. When HIGH, the serial clock outputs are enabled.

38

I

Timing control capacitor for internal system clock.

39

LOCK

O

Lock indication. When HIGH, the GS7025 is locked. LOCK is an open collector output

and requires an external 10k

Ω pullup resistor.

40

SSI/CD

O

Signal strength indicator/Carrier detect.

41

A/D

I

Analog/Digital select.

42

MOD

I

270 Mb/s modulus select - Always set high.

43

OEM_TEST

O

Output ‘Eye’ monitor test. Single-ended current mode output that requires an external

50

Ω pullup resistor. This feature is recommended for debugging purposes only. If

enabled during normal operation, the maximum operating temperature is rated to

60°C.

PIN DESCRIPTIONS (continued)

NUMBER

SYMBOL

TYPE

DESCRIPTION