MAX3872/MAX3874 Evaluation Kits

_________________________________________________________________________________________

3

Table 1. Operational Mode Settings

SHUNT POSITIONS

MODE

LREF (JU14)

SIS (JU13)

Normal

1 and 2

2 and 3

System Loopback

1 and 2

1 and 2

Clock Holdover

2 and 3

(1 and 2) or

(2 and 3)

Table 2. Data Rate Settings

SHUNT POSITIONS

INPUT DATA RATE

RS1

RS2

RATESET

2.666Gbps

2 and 3

2 and 3

1 and 2

2.488Gbps/2.5Gbps

2 and 3

2 and 3

2 and 3

1.244Gbps/1.25Gbps*

1 and 2

1 and 2

2 and 3

666.51Mbps*

2 and 3

1 and 2

1 and 2

622.08Mbps*

2 and 3

1 and 2

2 and 3

166.63Mbps*

1 and 2

2 and 3

1 and 2

155.52Mbps*

1 and 2

2 and 3

2 and 3

*Setting not available on the MAX3874

Table 3. Clock Holdover Frequency Settings

SHUNT POSITIONS

REFERENCE CLOCK FREQUENCY

SCLKO FREQUENCY

RS1

RS2

RATESET

FREFSET

666.51MHz

2.666GHz

2 and 3

2 and 3

1 and 2

2 and 3

666.51MHz*

666.51MHz

2 and 3

1 and 2

1 and 2

2 and 3

666.51MHz*

166.63MHz

1 and 2

2 and 3

1 and 2

2 and 3

622.08MHz/625MHz*

1.244GHz/1.25GHz

1 and 2

1 and 2

2 and 3

2 and 3

622.08MHz/625MHz

2.488GHz/2.5GHz

2 and 3

2 and 3

2 and 3

2 and 3

622.08MHz*

622.08MHz

2 and 3

1 and 2

2 and 3

2 and 3

622.08MHz*

155.52MHz

1 and 2

2 and 3

2 and 3

2 and 3

166.63MHz

2.666GHz

2 and 3

2 and 3

1 and 2

1 and 2

166.63MHz*

666.51MHz

2 and 3

1 and 2

1 and 2

1 and 2

166.63MHz*

166.63MHz

1 and 2

2 and 3

1 and 2

1 and 2

155.52MHz/156.25MHz*

1.244GHz/1.25GHz

1 and 2

1 and 2

2 and 3

1 and 2

155.52MHz/156.25MHz

2.488GHz/2.5GHz

2 and 3

2 and 3

2 and 3

1 and 2

155.52MHz*

622.08MHz

2 and 3

1 and 2

2 and 3

1 and 2

155.52MHz*

155.52MHz

1 and 2

2 and 3

2 and 3

1 and 2

*Setting not available on the MAX3874