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NXP Semiconductors
Bit
7:0
14.2.9.6 SPIM_TX_BUFFER_REG
This register is used to configure the TX buffer.
Table 300. SPIM_TX_BUFFER_REG (address offset 0x0014)
Bit
31:23
22:14
13:0
14.2.9.7 SPIM_TX_BUFFER_CRC_REG
This register is used to configure TX CRC.
Table 301. SPIM_TX_BUFFER_CRC_REG (address offset 0x0018)
Bit
31:18
17
16:8
7:0
UM10858
User manual
COMPANY PUBLIC
Symbol
RX_CRC_INIT
Symbol
RESERVED
TX_LENGTH
TX_START_ADDR
Symbol
RESERVED
TX_APPEND_CRC
TX_CRC_PAYLOAD_OFFSE
T
TX_CRC_INIT
All information provided in this document is subject to legal disclaimers.
Rev. 1.4 — 14 May 2018
314514
PN7462 family HW user manual
Access
Reset
Description
Value
R/W
0xFF
RX CRC init value. Only used if
RX_SET_CRC is set
Access Reset
Description
Value
R
0
Reserved
R
0
Size of TX transfer.
TX_LENGTH = 0: TX transfer of size
0 is allowed only if
TX_APPEND_CRC is set
TX_LENGTH = 1: TX transfer
payload of size 1 byte
TX_LENGTH = 2: TX transfer
payload of size 2 byte
...
TX_LENGTH = 511: TX transfer
payload of size 511 byte
R/W
0
Byte start address of TX buffer:
start_addr+TX_length must not
exceed maximum address range
Access Reset
Description
Value
R
0
Reserved
R/W
1
1: CRC is sent after transmission of
TX_LENGTH bytes. If TX_LENGTH
is 0, then only CRC will be sent.
R/W
0x01
Number of bytes to skip for CRC
computation
R/W
0xFF
TX CRC init value. Only used if
TX_SET_CRC is set
UM10858
© NXP B.V. 2018. All rights reserved.
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