AX88850 ASIX [ASIX Electronics Corporation], AX88850 Datasheet - Page 29

• Manufacturer Part Number: AX88850
• Description: 100BASE-TX/FX Repeater Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

4.5 Configuration Register (CONFIG)
Page 0 to Page 3 Address 0h
4.6 Page Register (PAGE)
Page 0 to Page 3 Address 1h
D15-D8
D15-D8
D7-D2
D1-D0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Bit
AX88850
Reserved
RST_FLAG
RID_CH
DIS_CIPHER
MGTEN
COL_LIMIT32
DIS_PART
PHY_ACCESS
RST_RSM
GEP[3:0]
Reserved
PAGE[1:0]
Bit Name
Bit Name
Access
Access
R/W Disable Cipher Function : Then set the bit at PCS mode, the 5bit symbol
R/W Management Enable : This bit enable all the management counters.
R/W Collision limit : This bit configures the collision limit for Auto-
R/W Disable Auto-Partition : Set this bit disable the Auto-Partition
R/W PHY access enable : This bit enable to access PHY register via MII serial
R/W Reset Repeater State Machines : Setting the bit holds the RSM in reset.
R/W D11-D8 : GEP I/O control. Default = 0h for input mode. Otherwise, =1h,
R/W Those bits setting the register page to be accessed.
RO
RO
Written as “0” for future compatibility concern.
Undefined by read.
Reset Flag : The bit is set when power on reset and is clear after read
CONFIG register.
Repeater ID Changed : The bit is set when Daisy-Chain RID input
override the current RID or after power on reset. When read CONFIG
register will clear the bit.
scramble and descrambler function are disable. Default is enable.
Partitioning.
algorithm.
protocol.
The management event flags and counters are unaffected by this bit.
Setting this bit while a reception is in progress may truncate the packet.
D15-D12 : GEP Data . Default = 0h.
Written as “0” for future compatibility concern.
undefined by read.
0 : Management Counters disabled. (default)
1 : Management Counters enabled.
0 : Consecutive Collision limit set to 64 (default). A port will
1 : Consecutive Collision limit set to 32 . A port will
0 : Auto-Partition is not disabled (default)
1 : Auto-Partition is disabled .
0 : PHY access disabled (default)
1 : PHY access enabled .
0 : AX88850 in normal operation (default)
1 : AX88850 held in reset .
be partitioned on the 65th consecutive collision.
be partitioned on the 33rd consecutive collision.
PAGE[1:0]
0h
1h
2h
3h
enable output.
When write, D15-D12 value present to GEP[3:0] if enabled.
When read, D15-D12 reflect the GEP[3:0] value.
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PAGE
0
1
2
3
Bit Description
Bit Description
ASIX ELECTRONICS CORPORATION
(default)
PRELIMINARY