RF2958 RF Micro Devices, RF2958 Datasheet - Page 14

• Manufacturer Part Number: RF2958
• Description: 2.4GHz SPREAD-SPECTRUM TRANSCEIVER
• Manufacturer: RF Micro Devices

www.DataSheet4U.com
IF PLL Register 2 (IFPLL2)-Address 00010
IF PLL Register 3 (IFPLL3)-Address 00011
RF PLL Register 4 (RFPLL1)-Address 00100
RF PLL Register 5 (RFPLL2)-Address 00101
RF PLL Register 6 (RFPLL3)-Address 00110
11-276
RF2958
IFPLL2(17:16)
RFPLL2(17:6)
RFPLL3(17:0)
IFPLL2(15:0)
IFPLL3(16:8)
RFPLL1(8:4)
RFPLL1(3:0)
RFPLL2(5:0)
RFPLL1(17)
RFPLL1(16)
RFPLL1(15)
RFPLL1(14)
RFPLL1(13)
RFPLL1(12)
RFPLL1(11)
RFPLL1(10)
IFPLL3(7:4)
IFPLL3(3:0)
IFPLL3(17)
RFPLL1(9)
Location
Location
Location
Location
Location
CT_DEF1(3:0)
KV_DEF1(3:0)
AUTOCAL_EN
NUM2(23:18)
NUM2(17:0)
Bit Name
Bit Name
Bit Name
Bit Name
Bit Name
IF_N(15:0)
DN1(16:8)
Reserved
Reserved
Reserved
DAC(3:0)
VTC_EN
N2(11:0)
PLL_EN
KV_EN
LD_EN
PDP
CPL
LPF
P
Default
Default
Default
Default
Default
00000
1FFh
5Eh
22h
7h
8h
3h
0
0
0
0
1
0
0
1
0
0
0
0
0
Reserved, program to zero (0)
IFPLL divide-by-N value
Reserved, program to zero (0)
IF VCO KV Calibration, delta N value (signed 2’s complement)
DeltaF=DN1/(Fr)
IF VCO Coarse Tuning Value
IF VCO KV Calibration, default value
RF PLL Enable
0=disabled
1=enabled
RF PLL KV Calibration Enable
0=disabled
1=enabled
RF PLL Coarse Tune Enable
0=VCO coarse tuning system is disabled
1=VCO coarse tuning system is enabled
RF PLL Loop Filter Bypass
0=Internal loop filter is used
1=Internal loop filter is bypassed and External loop filter is used
RF PLL Charge Pump Leakage Current
0=minimum value
1=2xminimum value
RF PLL Phase Detector Polarity
0=positive, VCO frequency increases with increasing tuning voltage
1=negative, VCO frequency decreases with increasing tuning voltage
RF PLL Auto Calibration Enable
0=disabled
1=enabled
RF PLL Lock Detect Enable
0=disabled
1=enabled
RF PLL Prescaler Modulus
0=8/9 Mode
1=8/10 Mode
Reserved, program to zero (0)
RF VCO Coarse Tuning Voltage
LPF_V1=int (coarse tuning voltage/V
RF PLL Divide By N Value
RF PLL Numerator Value
RF PLL Numerator Value
Function
Function
Function
Function
Function
DD
)x16
Rev A0 050209