Appendix D—Alarm Structure. Silicon Laboratories SI5369, SI5322, SI5327, SI5326, SI5366, SI5319, SI5316, SI5325, SI5367, SI5368

S i 5 3 x x - R M

A

PPENDIX

D—A

LARM

S

TRUCTURE

144

LOS_INT

in

Sticky

Write 0 to clear out

LOS1_INT

in Sticky

Write 0 to clear out

LOS2_INT

in

Sticky

Write 0 to clear out

FOS1_INT

in Sticky

Write 0 to clear out

FOS2_INT

LOL_INT

in

Sticky

Write 0 to clear out in

Sticky

Write 0 to clear out

LOSX_FLG

LOSX_MSK

LOS1_FLG

LOS1_MSK

LOS2_FLG

LOS2_MSK

FOS1_FLG

FOS1_MSK

FOS2_FLG

FOS2_MSK

LOL_FLG

LOL_MSK

WIDEBAND MODE

LOS1-EN

LOS1_INT

CKIN1

LOS

Detector

PD_CK1

FOS

Detector

FOS1_EN

FOS_EN

LOS2_EN

LOS2_INT

CKIN2

LOS

Detector

PD_CK2

INT_POL

CK_BAD_POL

CK_BAD_POL

INT_PIN

CK1_BAD_PIN

1

0

E

FOS2_INT

FOS

Detector

FOS2_EN

FOS_EN

Figure 82. Si5324 and Si5326 Alarm Diagram

CK2_BAD_PIN

E

INT_C1B

C2B

Rev. 0.5

Si53xx-RM

LOS_INT

in

Sticky out

Write 0 to clear

LOS1_INT

in Sticky out

Write 0 to clear

LOS2_INT

in

Sticky out

Write 0 to clear

LOS3_INT

in Sticky out

Write 0 to clear

LOS4_INT

in

Sticky out

Write 0 to clear

FOS1_INT

in Sticky out

Write 0 to clear

FOS2_INT

in Sticky out

Write 0 to clear

FOS3_INT

in

Sticky out

Write 0 to clear

FOS4_INT

ALIGN_INT

in

Sticky out

Write 0 to clear

LOL_INT

in Sticky out

Write 0 to clear in Sticky out

Write 0 to clear

LOSX_FLG

LOSX_MSK

LOS1_FLG

LOS1_MSK

LOS2_FLG

LOS2_MSK

LOS3_FLG

LOS3_MSK

LOS4_FLG

LOS4_MSK

FOS1_FLG

FOS1_MSK

FOS2_FLG

FOS2_MSK

FOS3_FLG

FOS3_MSK

FOS4_FLG

FOS4_MSK

ALIGN_FLG

ALIGN_MSK

LOL_FLG

LOL_MSK

WIDEBAND MODE

LOS4_EN

LOS4_INT

CKIN4

PD_CK4

LOS

Detector

FOS

Detector

FOS4_EN

FOS_EN

INT_POL

CK_BAD_POL

CK_CONFIG_REG

1

ALIGN_INT

1

0

INT_PIN

ALRMOUT_PIN

0

E

To Next Page

INT_ALM

Figure 83. Si5368 Alarm Diagram (1 of 2)

Rev. 0.5

145

S i 5 3 x x - R M

PD_CK3

CKIN3

LOS

Detector

LOS3_EN

FOS

Detector

FOS3_EN

LOS3_INT

FOS_EN

PD_CK1

CKIN1

LOS

Detector

LOSI_EN

FOS

Detector

FOSI_EN

LOS1_INT

PD_CK2

CKIN2

LOS

Detector

LOS2_EN

FOS

Detector

FOS2_EN

FOS_EN CK_CONFIG_REG

FSYNC_SWTCH_REG

LOS4_INT

LOS2_INT

FOS_EN

CK_BAD_POL

1

0

1

0

E

C3B

E

C1B

E

C2B

146

Figure 84. Si5368 Alarm Diagram (2 of 2)

Rev. 0.5