MICRF507 Micrel Semiconductor, MICRF507 Datasheet - Page 39

• Manufacturer Part Number: MICRF507
• Description: 470MHz to 510MHz Low-Power FSK Transceiver
• Manufacturer: Micrel Semiconductor

Detailed Description of Programming Bits
March 2010
Micrel, Inc.
0000000
0000001
0000010
0000011
0000100
ADR #
BIT #
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
Name
By_LNA
PA2
PA1
PA0
Sync_en
Mode1
Mode0
Load_en
Modulation1
Modulation0
OL_opamp_en
PA_LDc_en
RSSI_en
LD_en
PF_FC1
PF_FC0
CP_HI
SC_by
VCO_by
PA_by
OUTS3
OUTS2
OUTS1
OUTS0
IFBias_s
IFA_HG
VCO_Bias_s
VCO_IB2
VCO_IB1
VCO_IB0
VCO_freq1
VCO_freq0
Mod_F2
Mod_F1
Mod_F0
Mod_I4
Mod_I3
Mod_I2
Mod_I1
Description
LNA bypass on/off
Power amplifier level, 3.bit
Power amplifier level, 2.bit
Power amplifier level, 1.bit
Synchronizer Mode bit
Main Mode selection 2.bit
Main Mode selection 1.bit
“1” mandatory
Modulation selection 2.bit
Modulation selection 1.bit
“0” mandatory
“0” mandatory. PA on/off controlled by Lock Detect pin
if this bit is 1
RSSI function on/off
Lock detect function on/off
Pre-filter corner frequency 2.bit
Pre-filter corner frequency 1.bit
High charge-pump current (4x=500uA) on/off
“0” mandatory. Bypass of VCO stage on/off
Bypass of PA stage on/off
Test pins output 4.bit
Test pins output 3.bit
Test pins output 2.bit
Test pins output 1.bit
“1” mandatory.
“1” mandatory.High gain setting in preamplifier
“0” mandatory.Select separate bias for VCO on
VCOBias pin
VCO bias current setting, 3. bit (111 = highest current)
VCO bias current setting, 2. bit (100 = typical current)
VCO bias current setting, 1. bit
Frequency setting of VCO, 2. bit (11=highest
frequency)
Frequency setting of VCO, 1.bit
Modulator filter setting
Modulator filter setting, LSB
Modulator current setting, MSB
Modulator current setting
Modulator current setting
Modulator current setting
Bypass of Switched Capacitor filter on/off
Modulator filter setting, MSB
39
Reference Table 17
Reference Table 17
Reference Table 17
Reference Table 20
Reference Table 20
Reference Table 18
Reference Table 18
Reference Table 11
Reference Table 11
Comments
Reference Table 7
Reference Table 14
Reference Table 14
Reference Table 28
Reference Table 28
Reference Table 28
Reference Table 28
Reference Table 11
Reference Table 11
Reference Table 11
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M9999-032210-B
MICRF507