SI5338 Datasheet, PDF (54/170 Pages) Silicon Laboratories – I2C-PROGRAMMABLE ANY-FREQUENCY, ANY-OUTPUT QUAD CLOCK GENERATOR

Si5338
Register 6.
Bit D7 D6 D5
D4
D3
D2
Name
PLL_LOL_MASK LOS_FDBK_MASK LOS_CLKIN_MASK
Type
R/W
R/W
R/W
D1
Reserved
D0
SYS_CAL_MASK
R/W
Reset value = xxxx xxxx
Bit
Name
Function
7:5
Reserved
Reserved. Must only write 000b to these bits.
Mask Bit for PLL_LOL.
When true, the PLL_LOL bit (Register 218) will not cause an interrupt. See also
4
PLL_LOL_MASK Register 247.
0: PLL Loss of Lock (LOL) triggers active interrupt on INTR output pin.
1: PLL Loss of Lock (LOL) ignored in generating interrupt output.
Mask Bit for Loss of Signal on IN4 or IN5,6.
When true, the LOS_FDBK bit (Register 218) will not cause an interrupt. See
3
LOS_FDBK_MASK also Register 247.
0: FDBK LOS triggers active interrupt on INTR output pin.
1: FDBK LOS ignored in generating interrupt output.
Mask Bit for Loss of Signal on IN1,2 or IN3.
When true, the LOS_CLKIN bit (Register 218) will not cause an interrupt.
2 LOS_CLKIN_MASK See also Register 247.
0: CLKIN LOS triggers active interrupt on INTR output pin.
1: CLKIN LOS ignored in generating interrupt output.
1
Reserved
Reserved. Must only write 0 to this bit.
Chip Calibration Mask Bit.
When true, the SYS_CAL bit (Register 218) will not cause an interrupt. See also
0
SYS_CAL_MASK Register 247.
0:PLL self-calibration triggers active interrupt on INTR output pin.
1:PLL self-calibration ignored in generating interrupt output.
54
Rev. 0.6