TLK2226_09 Datasheet, PDF (35/52 Pages) Texas Instruments – 6 PORT GIGABIT ETHERNET TRANSCEIVER

TLK2226
www.ti.com
SLLS689D – JANUARY 2006 – REVISED DECEMBER 2006
Table 19. (Vendor Specific) RX CTC FIFO Status (0x12) Bit Definitions
Bit(s)
Default Value
18.15 1B’0
Name
RX_CTC_Reset
18.14 1B’0
RX_CTC_Insert
18.13 1B’0
RX_CTC_Delete
18.12:0 13B’0_0000_0000_0000 Reserved
Description
Read/Write
When high indicates overflow or underflow has occurred in
CTC FIFO and FIFO has been reset.
Read Only/
Latched High
When high indicates RX CTC has inserted at least one ordered Read Only/
set.
Latched High
When high indicates RX CTC has deleted at least one ordered Read Only/
set.
Latched High
Read will return 0, writes will be ignored
Read Only
Table 20. (Vendor Specific) TX FIFO Status (0x13) Bit Definitions
Bit(s)
19.15
19.14
19.13:0
Default Value
1B’0
1B’0
14B’00_0000_0000_0000
Name
TX_FIFO_Reset_1Gx
TX_FIFO_Reset_100F
x
Reserved
Description
When high indicates collision has occurred in TX FIFO
and the FIFO is reset in 1gx mode.
When high indicates collision has occurred in TX FIFO
and the FIFO is reset in 100fx mode.
Read will return 0, writes will be ignored
Read/Write
Read Only/
Latched High
Read Only/
Latched High
Read Only
Bit(s)
20.15:5
20.4
20.3
20.2:0
Table 21. Vendor Specific) Test Pattern Control Registers (0x14) Bit Definitions
Default Value
11B’000_ 0000_0000
1B’0
1B’0
2B’00
Name
Reserved
Test Pattern
Generator Enable
Test Pattern
Verifier Enable
Pattern Select
Description
Read will return 0, writes will be ignored
When high activates the generator selected by bits
20.2:0.
When high activates the verifier selected by bits 20.2:0.
Read/Write
Read Only
Read/Write
Read/Write
Test Pattern Selection
000 = High Frequency Test Pattern
001 = Low Frequency Test Pattern
010 = Mixed Frequency Test Pattern
011 = CRPAT Long
100 = CRPAT Short
Others = Reserved
Read/Write
Table 22. (Vendor Specific) Test Pattern Sync Status (0x15) Bit Definitions
Bit(s)
Default Value
21.15:2 14B’00_0000_0000_0000
21.1 B’0
21.0 1B’0
Name
Description
Reserved
Read will return 0, writes will be ignored
Test Pattern Sync When high indicates alignment has been determined and
a correct pattern has been received for fixed test patterns.
CRPAT Sync
When high indicates alignment has been determined and
a correct pattern has been received for continuous test
patterns.
Read/Write
Read Only
Read Only
Read Only
Table 23. (Vendor Specific) Test Pattern Counter (0x16) Bit Definitions
Bit(s)
Default Value
22.15:0 16B’1111_1111_1111_1101
Name
Fixed Test Pattern
Error Counter
Description
Read/Write
This counter reflects error count for high, Mixed, and Low Read Only
Frequency test patterns. Counter increments for each
received character that has an error. Counter clears
upon read.
Table 24. (Vendor Specific) CRPAT Error Counter1 (0x17) Bit Definitions
Bit(s)
Default Value
Name
23.15:0 16B’1111_1111_1111_1111 Reserved
Description
Read/Write
MSB of CRPAT Error Counter. This counter reflects errors
for CRPAT Test. Counter increments by one for each
received character that has an error. Counter clears upon
read.
Read Only
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