Renesas R-IN32M3 Series User Manual page 180

R-IN32M3-EC User's Manual
Note 1. The timing of auto-negotiation can be changed in order to reduce the auto-negotiation time
between 2 PHYs. It is possible to adjust the timing by changing the settings when link problem
appears.
PHY_MODE[3] PHY_MODE[1:0]
0
1
1
1
1
7.4.12 Register 19 - Reserved
15 14 13
MR19
R R R
Bit Position Bit Name
15 to 0 (RESERVED)
7.4.13 Register 20 - Reserved
15 14 13
MR20
RW RW RW
Bit Position Bit Name
15 to 0 (RESERVED)
R18UZ0003EJ0501
Jan. 12, 2021
Break Link Timer
XX 1250 ms
00 80 ms
01 120 ms
10 240 ms
11 (IEEE 1250 ms
compliant)
12 11 10 9
(RESERVED)
R R R R
Reserved (Write 0 and ignore reading)
12 11 10 9
(RESERVED)
RW RW RW RW
Reserved (Write 0 and ignore reading)
Auto-Negotiation
Wait Timer
850 ms
35 ms
50 ms
100 ms
850 ms
8 7 6 5 4
R R R R R
Description
8 7 6 5 4
RW RW RW RW RW
Description
7. Ethernet PHY Function
Link Fail Inhibit Timer
850 ms
50 ms
75 ms
150 ms
850 ms
3 2 1 0
Register Address
Initial Value
R R R R
3 2 1 0
Register Address
Initial Value
RW RW RW RW
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13H
0000H
14H
0000H