Renesas R-IN32M3 Series User Manual page 186

R-IN32M3-EC User's Manual
7.4.20 Register 27 - Special Control/Status Instruction Register
Register 27 sets the PHY mode of Ethernet PHY and shows the results.
15 14 13
(RESERVED)
MR27
RW RW RW
Bit Position Bit Name
15 to 13 (RESERVED)
12 SWRST_FAST
11 SQEOFF
10 to 6 (RESERVED)
5 FEFIEN
4 XPOL
3 to 0 (RESERVED)
R18UZ0003EJ0501
Jan. 12, 2021
12 11 10 9 8
(RESERVED)
RW RW RW RW RW
NASR
Reserved (Write 0 and ignore reading)
Test the software reset counter
0: Normal operation
1: Shorten the software reset counter from 256 us to 10 us (for production test)
Valid/Invalid the SQE test
0: Valid
1: Invalid
Reserved (Write 0 and ignore reading)
Valid/Invalid the setting of Far End Fault Indication in 100BASE-FX
0: Invalid
1: Valid
Automatic polarity detection result of 10BASE-T
0: Normal
1: Reversal
Reserved (Write 0 and ignore reading)
7 6 5 4 3
RW RW RW R R
Description
7. Ethernet PHY Function
2 1 0
Register Address
1BH
(RESERVED)
Initial Value
0001H
R R R
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