SI5338M-A-GMR Silicon Laboratories Inc, SI5338M-A-GMR Datasheet - Page 90

• Manufacturer Part Number: SI5338M-A-GMR
• Manufacturer: Silicon Laboratories Inc

Si5338
Reset value = xxxx xxxx
90
Register 85.
Name
Type
Bit
Bit
6:5
3:2
1:0
7
4
D7
MS3_SSMODE[1:0]
MS3_PHIDCT[1:0]
MS3_FIDCT[1:0]
MS3_FIDDIS
Reserved
D6
MS3_FIDCT[1:0]
Name
R/W
D5
Reserved.
MultiSynth3 Frequency Increment/Decrement Control.
Bit 4 (disable) must be 3 before writing an increment or decrement to these
bits.
0: No frequency inc/dec on MS3
1: Reserved
2: Frequency increment on MS3, self-clearing
3: Frequency decrement on MS3, self-clearing
MultiSynth3 Frequency Increment/Decrement Disable (see also
Register 242[1]).
0: Frequency inc/dec enabled on MS3
1: Frequency inc/dec disabled on MS3
MultiSynth3 Spread Spectrum Mode Select.
0: No SSC on MS3
1: Center spread on MS3
2: Reserved
3: Down spread MS3
MultiSynth3 Phase Increment/Decrement Control.
0: No phase inc/dec on MS3
1: Enable pin control of phase inc/dec
2: Phase increment on MS3
3: Phase decrement on MS3
MS3_FIDDIS
R/W
D4
Rev. 0.6
MS3_SSMODE[1:0]
D3
Function
R/W
D2
D1
MS3_PHIDCT[1:0]
R/W
D0