NXP Semiconductors MKW01Z128, Reference Manual

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Transceiver Digital Control and Communications
MKW01xxRM Reference Manual, Rev. 3, 04/2016
7-36 Freescale Semiconductor, Inc.
7.12 Temperature Sensor Registers
7.13 Test Registers
Table 7-10. Temperature Sensor Registers
Name
(Address)
Bits Variable Name Mode
Default
Value
Description
RegTemp1
(0x4E) 7-4 - r 0000 unused
3 TempMeasStart w 0 Triggers the temperature measurement when set. Always
reads 0.
2 TempMeasRunning r 0 Set to 1 while the temperature measurement is running.
Toggles back to 0 when the measurement has completed.
The receiver can not be used while measuring
temperature
1-0 - r 01 unused
RegTemp2
(0x4F) 7-0 TempValue r - Measured temperature
-1°C per Lsb
Needs calibration for accuracy
Table 7-11. Test Registers
Name
(Address)
Bits Variable Name Mode
Default
Value
Description
RegTestLna
(0x58) 7-0 SensitivityBoost rw 0x1B High sensitivity or normal sensitivity mode:
0x1B

Normal mode
0x2D

High sensitivity mode
RegTestTcxo
(0x59) 7-0 reserved rw 0x09 Bits 7–5 and 3–0: reserved.
Bit 4 (default 0) controls the crystal oscillator
0

Crystal Oscillator with external Crystal
1

External clipped sine TCXO ac coupled to XTAL pin
RegTestPLL
(0x5F) 7-0 PLL Bandwidth rw 0x0C PLL Bandwidth Adjust
00 = 75 kHz
04 = 150 kHz
08 = 300 kHz, default (for some regions), for bit rates up
to 300 kbps
0C = 600 kHz for bit rates up to 600 kbps
RegTestDagc
(0x6F) 7-0 ContinuousDagc rw 0x30 Fading Margin Improvement, refer to Section 5.7.3,
“Continuous-Time DAGC”
0x00

Normal mode
0x20

Improved margin, use if Afc LowBetaAfcOn = 1
0x30

Improved margin, use if Afc LowBetaAfcOn = 0
RegTestAfc
(0x71) 7-0 LowBetaAfcOffset rw 0x00 AFC offset set for low modulation index systems, used if
AfcLowBetaOn=1 .
Offset = LowBetaAfcOffset x 488 Hz