Skyworks Si5341 - Page 87

• Input 0 (IN0) corresponds to LOS at 0x000D [0]
• Input 1 (IN1) corresponds to LOS at 0x000D [1]
• Input 2 (IN2) corresponds to LOS at 0x000D [2]
• FB_IN corresponds to LOS at 0x000D [3]
• See also LOSXAXB for LOS at the XAXB input
Table 14.103. 0x0011 Sticky Versions of Status Bits
Reg Address Bit Field Type Setting Name Description
0x0011 0 R/W SYSINCAL_FLG Sticky version of SYSINCAL. Write a 0 to clear the flag.
0x0011 1 R/W LOSXAXB_FLG Sticky version of LOSXAXB. Write a 0 to clear the flag.
0x0011 2 R/W LOSREF_FLG Sticky version of LOSREF. Write a 0 to clear the flag.
0x0011 3 R/W LOL_FLG Sticky version of LOL. Write a 0 to clear the flag.
0x0011 5 R/W SMBUS_TIME-
OUT_FLG
Sticky version of SMBUS_TIMEOUT. Write a 0 to clear
the flag.
Table 14.104. 0x0012 INx LOS Flags
Reg Address Bit Field Type Setting Name Description
0x0012 3:0 R/W LOSIN_FLG Sticky version of LOS. Write a 0 to clear each individual
flag.
Table 14.105. 0x0017 Status Flag Interrupt Masks
Reg Address Bit Field Type Setting Name Description
0x0017 0 R/W SYSINCAL_INTR_MSK 1 to mask SYSINCAL_FLG from causing
an interrupt
0x0017 1 R/W LOSXAXB_INTR_MSK 1 to mask the LOSXAXB_FLG from caus-
ing an interrupt
0x0017 2 R/W LOSREF_INTR_MSK 1 to mask the LOSREF_FLG from causing
an interrupt
0x0017 3 R/W LOL_INTR_MSK 1 to mask the LOL_FLG from causing an
interrupt
0x0017 5 R/W SMB_TMOUT_INTR_MSK 1 to mask SMBUS_TIMEOUT_FLG from
causing an interrupt
These are the interrupt mask bits for the flags in register 0x0011. If a mask bit is set, the alarm will be blocked from causing an interrupt.
Table 14.106. 0x0018 Interrupt Masks
Reg Address Bit Field Type Setting Name Description
0x0018 3:0 R/W LOSIN_INTR_MSK 1 to mask the interrupt from LOS_FLG[3:0]. Write a 0 to
clear each individual FLAG.
• Input 0 (IN0) corresponds to LOSIN_INTR_MSK 0x0018 [0]
• Input 1 (IN1) corresponds to LOSIN_INTR_MSK 0x0018 [1]
• Input 2 (IN2) corresponds to LOSIN_INTR_MSK 0x0018 [2]
• FB_IN corresponds to LOSIN_INTR_MSK 0x0018[3]
Si5341, Si5340 Rev D Family Reference Manual • Register Map
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