Renesas RX100 Series User Manual page 805

RX13T Group
1. 8-bit serial reception (MSB first)
7
Input
1 1
2. Write 87h to the CRC control register (CRCCR)
CRCCR
7
1 0 0 0
3. Write F0h to the CRC data input register (CRCDIR)
CRCDIR
7
1 1 1 1
4. Write EFh to the CRC data input register (CRCDIR)
CRCDIR
7
1 1 1 0
5. Write 1Fh to the CRC data input register (CRCDIR)
CRCDIR
7
0 0 0 1
6. Read the calculation result in the CRC data output register (CRCDOR)
CRC code = 0000h  no error
Figure 25.5 MSB First Data Reception
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Data
0
1 1 0 0 0 0
F 0
0
0 1 1 1
Clear CRCDOR
0
0 0 0 0
CRC code generation
0
1 1 1 1
CRC code generation
0
1 1 1 1
CRC code generation
7
1 1 1 0 1 1 1
E F
CRCDOR
15
0 0 0 0 0 0
CRCDOR
15
1 1 1 0 1 1
CRCDOR
15
0 0 0 1 1 1
CRCDOR
15
0 0 0 0 0 0 0
25. CRC Calculator (CRC)
CRC code
0
7
1 0 0 0 1 1
1
8 7
0 0 0 0 0 0 0
8
7
1 0 0 0 1 1
1
8 7
1 1 0 0 0 0 0
8
7
0 0 0 0 0 0
0
1 1 1
F
0
0 0 0
0
1 1
1
0
0 0 0
0
0 0 0
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