Autonegotiation Advertisement; Link Partner Autonegotiation Capability; Table 3.7 Autonegotiation Advertisement, Address 4 (0X04); Table 3.8 Autonegotiation Link Partner Ability, Address 5 (0X05) - Renesas R-IN32M4-CL2 User Manual

R-IN32M4-CL2 User's Manual Gigabit Ethernet PHY Edition
3.2.4

Autonegotiation Advertisement

The bits in address 4 in the main registers space control the ability to notify other devices of the status of its
autonegotiation feature. The following table shows the available settings and readouts.

Table 3.7 Autonegotiation Advertisement, Address 4 (0x04)

Bit
15 Next page transmission request
14 Reserved
13 Transmit remote fault
12 Reserved
11 Advertise asymmetric pause
10 Advertise symmetric pause
9 Advertise100BASE-T4
8 Advertise100BASE-TX FDX
7 Advertise100BASE-TX HDX
6 Advertise10BASE-T FDX
5 Advertise10BASE-T HDX
4:0 Advertise selector
3.2.5

Link Partner Autonegotiation Capability

The bits in main register 5 can be used to determine if the link partner (LP) used with the GbE-PHY is compatible with
the autonegotiation functionality.

Table 3.8 Autonegotiation Link Partner Ability, Address 5 (0x05)

Bit
15 LP next page transmission request
14 LP acknowledge
13 LP remote fault
12 Reserved
11 LP advertise asymmetric pause
10 LP advertise symmetric pause
9 LP advertise 100BASE-T4
8 LP advertise 100BASE-TX FDX
7 LP advertise 100BASE-TX HDX
6 LP advertise 10BASE-T FDX
5 LP advertise 10BASE-T HDX
4:0 LP advertise selector
R18UZ0043EJ0100
Mar 4, 2016
Name
Name
Access
R/W 1: Request enabled
RO Reserved
R/W 1: Enabled
RO Reserved
R/W 1: Advertises asymmetric pause
R/W 1: Advertises symmetric pause
R/W 1: Advertises 100BASE-T4
R/W 1: Advertise 100BASE-TX FDX
R/W 1: Advertises 100BASE-TX HDX
R/W 1: Advertises 10BASE-T FDX
R/W 1: Advertises 10BASE-T HDX
R/W Advertise selector
Access
RO 1: Requested
RO 1: Acknowledge
RO 1: Remote fault
RO Reserved
RO 1: Capable of asymmetric pause
RO 1: Capable of symmetric pause
RO 1: Capable of 100BASE-T4
RO 1: Capable of 100BASE-TX FDX
RO 1: Capable of 100BASE-TX HDX
RO 1: Capable of 10BASE-T FDX
RO 1: Capable of 10BASE-T HDX
RO LP Advertise selector
Description
Description
3. Registers
Default
0
0
0
0
0
0
0
1
1
1
1
00001
Default
0
0
0
0
0
0
0
0
0
0
0
00000
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