NXP Semiconductors UM11227 - Tab. 124. RFM Transmit Data 0 through 31 Registers (RFTX0: RFTX31) (Addresses $183 C: $185 B); RFM Transmit Data 0 through 31 Registers (RFTX0: RFTX31)

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
125 / 205
Field Description
1
MOD
MOD – RF Modulation Control
The MOD control bit selects the method of modulating the RF. The MOD control bit is cleared by the
RFMRST signal.
0 = Configured for OOK; Result of Reset
1 = Configured for FSK.
0
CKREF
CKREF – Generated Clock Reference Control
Generates the DX signal to the TPM1 module for determining the other clock frequencies:
0 = DX signal not generated; Result of Reset
1 = DX 500 kHz signal connected to the TPM1 module.
10.16.11.10 RFM transmit data 0 through 31 registers (RFTX0 : RFTX31)
Table 124. RFM transmit data 0 through 31 registers (RFTX0 : RFTX31) (addresses $183C : $185B)
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD7 RFTXD6 RFTXD5 RFTXD4 RFTXD3 RFTXD2 RFTXD1 RFTXD0
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD15 RFTXD14 RFTXD13 RFTXD12 RFTXD11 RFTXD10 RFTXD9 RFTXD8
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD23 RFTXD22 RFTXD21 RFTXD20 RFTXD19 RFTXD18 RFTXD17 RFTXD16
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD31 RFTXD30 RFTXD29 RFTXD28 RFTXD27 RFTXD26 RFTXD25 RFTXD24
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD39 RFTXD38 RFTXD37 RFTXD36 RFTXD35 RFTXD34 RFTXD33 RFTXD32
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
R
W
RFTXD47 RFTXD46 RFTXD45 RFTXD44 RFTXD43 RFTXD42 RFTXD41 RFTXD40
Reset x x x x x x x x