SI5338M-A-GMR Silicon Laboratories Inc, SI5338M-A-GMR Datasheet - Page 79

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

Reset value = xxxx xxxx
Register 63.
Name
Type
Bit
Bit
6:5
3:2
1:0
7
4
D7
MS1_SSMODE[1:0]
D6
MS1_PHIDCT[1:0]
MS1_FIDCT[1:0]
MS1_FIDCT[1:0]
MS1_FIDDIS
Reserved
R/W
Name
D5
MS1_FIDDIS
Reserved.
MultiSynth1 Frequency Increment/Decrement Control.
Bit 4 (disable) must be 0 before writing an increment or decrement
to these bits.
0: No frequency inc/dec on MS1
1: Reserved
2: Frequency increment on MS1, self-clearing
3: Frequency decrement on MS1, self-clearing
MultiSynth1 Frequency Increment/Decrement Disable.
See also Register 242[1].
0: Frequency inc/dec enabled on MS1
1: Frequency inc/dec disabled on MS1
MultiSynth1 Spread Spectrum Mode Select.
0: No SSC on MS1
1: Center spread on MS1
2: Reserved
3: Downspread MS1
MultiSynth1 Phase Increment/Decrement Control.
Writing a 10 or 11 will self clear back to 0.
0: No phase inc/dec on MS1
1: Enable pin control of phase inc/dec
2: Phase increment on MS1, self clearing
3: Phase decrement on MS1, self clearing
R/W
D4
Rev. 0.6
MS1_SSMODE[1:0]
D3
R/W
Function
D2
D1
MS1_PHIDCT[1:0]
R/W
Si5338
D0
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