NXP Semiconductors
UM11227
NTM88 family of tire pressure monitor sensors
UM11227 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
User manual Rev. 6 — 24 April 2020
200 / 205
Tab. 83. LF receiver status register (LFS) (address
$0024) ............................................................. 97
Tab. 84. LFS register field descriptions .........................98
Tab. 85. LF received data register (LFDATA)
(address $0025) .............................................. 99
Tab. 86. LFDATA register field descriptions ..................99
Tab. 87. LF receiver ID register (LFID) (address
$0026) ............................................................. 99
Tab. 88. LF receiver ID register (LFID) (address
$0027) ........................................................... 100
Tab. 89. LFID register field descriptions ......................100
Tab. 90. LF receiver control E register (LFCTRLE)
(address $0028) ............................................ 100
Tab. 91. LFCTRLE register field descriptions ..............100
Tab. 92. LF receiver control D register (LFCTRLD)
(address $0029) ............................................ 101
Tab. 93. LFCTRLD register field descriptions ..............101
Tab. 94. LF receiver control C register (LFCTRLC)
(address $002A) ............................................102
Tab. 95. LFCTRLC register field descriptions ..............102
Tab. 96. LF receiver control B register (LFCTRLB)
(address $002B) ............................................103
Tab. 97. LFCTRLB register field descriptions ..............103
Tab. 98. LF receiver control A register (LFCTRLA)
(address $002C) ........................................... 104
Tab. 99. LFCTRLA register field descriptions ..............104
Tab. 100. Randomization interval times ........................ 110
Tab. 101. Frame number interval times ........................ 111
Tab. 102. RFM control 0 register (RFCR0) (address
$1830) ........................................................... 117
Tab. 103. RFCR0 register field descriptions ..................118
Tab. 104. Data rate option examples ............................ 118
Tab. 105. RFM control 1 register (RFCR1) (address
$1831) ........................................................... 118
Tab. 106. RFCR1 register field descriptions ..................118
Tab. 107. RFM control 2 register (RFCR2) (address
$1832) ........................................................... 119
Tab. 108. RFCR2 register field descriptions ..................119
Tab. 109. RFM control 3 register (RFCR3) (address
$1833) ........................................................... 120
Tab. 110. RFCR3 register field descriptions ..................120
Tab. 111. RFM control 4 register (RFCR4) (address
$1834) ........................................................... 120
Tab. 112. RFCR4 register field descriptions ..................121
Tab. 113. RFM control 5 register (RFCR5) (address
$1835) ........................................................... 121
Tab. 114. RFCR5 register field descriptions ..................121
Tab. 115. RFM control 6 register (RFCR6) (address
$1836) ........................................................... 121
Tab. 116. RFCR6 register field descriptions ..................121
Tab. 117. RFM control 7 register (RFCR7) (address
$1837) ........................................................... 122
Tab. 118. RFCR7 register field descriptions ..................122
Tab. 119. RFM phase lock loop control register 0
(PLLCR0) (address $1838) ........................... 123
Tab. 120. RFM phase lock loop control register 1
(PLCCR1) (address $1839) ...........................123
Tab. 121. RFM phase lock loop control register 2
(PLCCR2) (address $183A) .......................... 123
Tab. 122. RFM phase lock loop control register 3
(PLCCR3) (address $183B) .......................... 123
Tab. 123. PLLCR0 / PLLCR1 / PLLCR2 / PLLCR3
register field descriptions .............................. 124
Tab. 124. RFM transmit data 0 through 31 registers
(RFTX0 : RFTX31) (addresses $183C :
$185B) ...........................................................125
Tab. 125. RFTX0 : RFTX31 register field descriptions ...129
Tab. 126. RFM EOM, PLL and PA control register
(EPR) (address $1860) ................................. 129
Tab. 127. EPR register field descriptions ...................... 129
Tab. 128. RFM Pre-charge control register
(RFPRECHARGE) (address $1861) ............. 130
Tab. 129. RFPRECHARGE register field descriptions ...130
Tab. 130. ADC status and control 1 register (ADSC1)
(address $0030) ............................................ 132
Tab. 131. ADSC1 register field descriptions ..................132
Tab. 132. ADCH valid channel values ...........................132
Tab. 133. ADC status and control 2 register (ADSC2)
(address $0031) ............................................ 133
Tab. 134. ADSC2 register field descriptions ..................133
Tab. 135. ADC result high register (ADRH) (address
$0032) ........................................................... 134
Tab. 136. ADC result low register (ADRL) (address
$0033) ........................................................... 134
Tab. 137. ADRH/L register field descriptions ................ 135
Tab. 138. ADCV compare value high register
(ADCVH) (address $0034) ............................ 135
Tab. 139. ADCV compare value low register (ADCVL)
(address $0035) ............................................ 135
Tab. 140. ADCVH/L register field descriptions .............. 135
Tab. 141. ADC configuration register (address $0036) .. 135
Tab. 142. ADC register field descriptions ......................136
Tab. 143. Port pin control register (address $0037) ...... 136
Tab. 144. Port pint control register field descriptions .....136
Tab. 145. Signal measurement sub-modes ...................142
Tab. 146. SMI status and control register (SMICS)
(address $0040) ............................................ 146
Tab. 147. SMICS register field descriptions .................. 146
Tab. 148. SMI control register (SMIC) (address $0041) . 147
Tab. 149. SMIC register field descriptions .....................147
Tab. 150. SMI configuration register (SMICFG)
(address $0042) ............................................ 148
Tab. 151. SMICFG register field descriptions ................148
Tab. 152. SMI settling time register (SMIST) (address
$0043) ........................................................... 149
Tab. 153. SMIST register field descriptions ...................149
Tab. 154. SP[3:0] ...........................................................149
Tab. 155. ISD[3:0] ..........................................................150
Tab. 156. Parameter registers (PARAM0 to
PARAM31) (addresses $0050 - $006F) ........ 151
Tab. 157. Parameter registers (PARAM32 to
PARAM63) (addresses $0070 - $008F) ........ 151
Tab. 158. Random access memory registers (RAM0 to
RAM255) (addresses $0090 - $00FF) ...........151
Tab. 159. Parameter registers (RAM256 to RAM511)
(addresses $0100 - $028F) ...........................151
Tab. 160. SIM reset status register (SIMRS) (address
$1800) ........................................................... 156
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