NXP Semiconductors
FXTH87E
FXTH87E, Family of Tire Pressure Monitor Sensors
FXTH87ERM
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Reference manual
Rev. 5.0 — 4 February 2019
21 / 183
Table 10. RFM register summary - RPAGE = 0
Address
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0030
RFCR0
BPS[7:0]
$0031
RFCR1
FRM[7:0]
$0032
RFCR2
SEND
RPAGE
EOM
PWR[4:0]
$0033
RFCR3
DATA
IFPD
ISPC
IFID
FNUM[3:0]
$0034
RFCR4
RFBT[7:0]
$0035
RFCR5
BOOST
LFSR[6:0]
$0036
RFCR6
VCO_GAIN[1:0]
RFFT[5:0]
$0037
RFCR7
RFIF
RFEF
RFVF
RFIAK
RFIEN
RFLVDEN
RCTS
RFMRST
$0038
PLLCR0
AFREQ[12:5]
$0039
PLLCR1
AFREQ[4:0]
POL
CODE[1:0]
$003A
PLLCR2
BFREQ[12:5]
$003B
PLLCR3
BFREQ[4:0]
CF
MOD
CKREF
$003C
RFD0
RFD[7:0]
$003D
RFD1
RFD[15:8]
$003E
RFD2
RFD[23:16]
$003F
RFD3
RFD[31:24]
$0040
RFD4
RFD[39:32]
$0041
RFD5
RFD[47:40]
$0042
RFD6
RFD[55:48]
$0043
RFD7
RFD[63:56]
$0044
RFD8
RFD[71:64]]
$0045
RFD9
RFD[79:72]
$0046
RFD10
RFD[87:80]
$0047
RFD11
RFD[95:88]
$0048
RFD12
RFD[103:96]
$0049
RFD13
RFD[111:104]
$004A
RFD14
RFD[119:112]
$004B
RFD15
RFD[127:120]
$004C
Reserved
$004D
Reserved
$004E
Reserved
$004F
Reserved
Note:
Shaded bits are recommended to only be controlled by firmware or factory test.
Table 11. RFM register summary - RPAGE = 1
Address
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0030
RFCR0
BPS[7:0]
$0031
RFCR1
FRM[7:0]
$0032
RFCR2
SEND
RPAGE
EOM
PWR[4:0]
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