NXP Semiconductors
PT2001SWUG
PT2001 programming guide and instruction set
PT2001SWUG
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User guide
Rev. 3.0 — 29 April 2019
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slsa
Description:
Selects the register containing the address used on SPI read and write instructions (rdspi
and wrspi)
The reset values of SelSpi is reg.
Assembler syntax:
slsa SelSpi;
Operands:
•
SelSpi – Operand defines the register containing the SPI address
Operand label
Operand description
Operand binary value
reg
Use the dedicated address register spi_
add.
0
ir
Use the ALU ir register as SPI address
1
Table 96. slsa instruction format
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
1
0
1
1
0
0
0
0
0
1
0
0
SelSpi
Source code example: