MICRF507 Datasheet, PDF (44/46 Pages) Micrel Semiconductor – 470MHz to 510MHz Low-Power FSK Transceiver with +10dBm Power Amplifier

Micrel, Inc.
MICRF507
Category
Number
Field Name of bits
Location
of bits
Description
Reference
XCOtune
RefClk_K
BitRate_clkS
Mod_clkS
BitSync_clkS
5
Reg9[4:0]
6
Reg7[5:0]
Reg6[0],
3
Reg7[7:6]
3
Reg6[6:4]
3
Reg6[3:1]
Crystal oscillator trimming
Reference clock divider
Bitrate clock setting
Modulator clock setting
BitSync clock setting
DataI/F Sync_en
1
Reg0[3]
Synchronizer Mode bit
Table 7
M0
A0
N0
M1
A1
N1
CP_HI
VCO_Freq
VCO_IB
LD_en
12
Reg13[3:0],
Reg14[7:0]
M0 counter
6
Reg10[5:0]
A0 counter
12
Reg11[3:0],
Reg12[7:0]
N0 counter
12
Reg18[3:0],
Reg19[7:0]
M1 counter
6
Reg15[5:0]
A1 counter
12
Reg16[3:0],
Reg17[7:0]
N1 counter
1
Reg2[7]
High charge pump current (500 μA = 4x) on/off
2
Reg3[1:0]
Frequency setting of VCO (highest frequency at 11)
3
Reg3[4:2]
VCO bias current setting (highest current at 111, 100
typical)
1
Reg1[2]
Lock detect function on/off
By_LNA
PF_FC
SC_by
ScClk
RSSI_en
FEEC
FEE
1
Reg0[7]
LNA bypass on/off
2
Reg1[1:0]
Pre-filter corner frequency
1
Reg2[6]
Bypass of switched capacitor filter on/off
5
Reg8[4:0]
Switched Cap clock divider
1
Reg1[3]
RSSI function on/off
4
Reg21[3:0]
FEE control bits
8
Reg22[7:0]
FEE value (read only)
Table 14
Table 15
Modulation
Mod_I
Mod_A
Mod_F
PA
PA_by
2
Reg1[7:6]
5
Reg4[4:0]
4
Reg5[3:0]
3
Reg4[7:5]
3
Reg0[6:4]
1
Reg2[4]
Modulation selection
Modulator current setting
Modulator attenuator setting
Modulator filter setting
Power amplifier level
Bypass of PA stage on/off
Table 18
Table 17
System Mode
OUTS
2
Reg0[2:1]
4
Reg2[3:0]
Main mode selection
Test pins output
Table 27. Register Fields
Table 20
Table 28
March 2010
44
M9999-032210-B