NXP Semiconductors
UM10858
PN7462 family HW user manual
UM10858
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© NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.4 — 14 May 2018
314514
164 of 345
Bit
Symbol
Access
Value
Description
7
TX_S01_INV_ENV
R/W
0*, 1
If set to 1, the output envelope is inverted.
6:4
TX_S01_ENV_TYPE R/W
0*, 7
Specifies the type of envelope used for transmission of data
packets. The selected envelope type is applied to the
pseudo bit stream.
000b
Direct output
001b
Manchester code
010b
Manchester code with subcarrier
011b
BPSK
100b
RZ (pulse of half bit length at beginning of second half
of bit)
101b
RZ (pulse of half bit length at beginning of bit)
110b
Manchester tupple
111b
Reserved
3
TX_S01_SC_FREQ
R/W
0*, 1
Specifies the frequency of the subcarrier.
0
424 kHz
1
848 kHz
2:0
TX_S01_BIT_FREQ R/W
000*-111
Specifies the frequency of the bit-stream.
000*
1.695 MHz
001
Reserved for test
010
26 kHz
011
53 kHz
100
106 kHz
101
212 kHz
110
424 kHz
111
848 kHz
Table 202. CLIF_TX_SYMBOL23_MOD_REG register (address 0050h)
* = reset value
Bit
Symbol
Access
Value
Description
31:24
RESERVED
R
0
Reserved
23:16
TX_S23_MODWIDT
H
R/W
0*-FFh
Specifies the length of a pulse for sending data of symbol
2/3. The length is given by the number of carrier 1.
15:9
RESERVED
R
0
Reserved
8
TX_S23_MILLER_E
NABLE
R/W
0*, 1
If set to 1, pulse modulation is applied according to modified
miller coding.
Note:
Modified miller coding may be used for direct
envelope output (TX_S23_ENV_TYPE ==0)
7
TX_S23_INV_ENV
R/W
0*, 1
If set to 1, the output envelope is inverted.
6:4
TX_S23_ENV_TYPE R/W
0* - 7h
Specifies the type of envelope used for transmission of data
packets. The selected envelope type is applied to the
pseudo bit stream.