Micrel
MICRF506BML/YML
July 2006
40
M9999-092904
+1 408-944-0800
Table 2: Main Mode bit
Mode1 Mode0
State
Comments
0
0
Power down
Keeps Register configuration
0 1
Standby
Crystal
Oscillator
running
1 0
Receive
Full
Receive
1
1
Transmit
Full Transmit ex. PA stage
Table 3: Synchronizer mode bit
Sync_en State
Comments
0
Rx: Bit synchronization off
Transparent reception of data
0
Tx: DataClk pin off
Transparent transmission of data
1
Rx: Bit synchronization on
Bit-clock is generated by transceiver
1
Tx: DataClk pin on.
Bit-clock is generated by transceiver
Table 4: Modulation bit
Modulation1 Modulation0 State
Comments
0 0
Closed loop VCO-modulation
VCO is phase-locked
0 1
Open loop VCO-modulation
Not recommend
1 0
Modulation by A,M and N
Modulation inside PLL
1 1
Not defined
Reserved for future use
Table 5: Prefilter bit
PF_FC1 PF_FC0
State
0
0
3 dB filter corner at 100 KHz
0
1
3 dB filter corner at 150 KHz
1
0
3 dB filter corner at 230 KHz
1
1
3 dB filter corner at 340 KHz