TLK6002 datasheet(57/98 Pages) TI2

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TLK6002

www.ti.com

SLLSE34A – MAY 2010 – REVISED AUGUST 2010

Table 3-22. LATENCY_COUNTER_2

Address: 0x11

Default: 0x0000

BIT(s)

NAME

DESCRIPTION

ACCESS

Comma indication for the current latency measurement. Cleared when

17.15

LATENCY_MEAS_TX_COMMA

0 = Indicates Latency measurement detected comma on TXD[19:10]

1 = Indicates Latency measurement detected comma on TXD[9:0]

Comma indication for the current latency measurement. Cleared when

17.14

LATENCY_MEAS_RX_COMMA

RO/LH(1)

0 = Indicates Latency measurement detected comma on RXD[19:10]

1 = Indicates Latency measurement detected comma on RXD[9:0]

Latency measurement ready indicator

0 = Indicates latency measurement not complete.

17.4

LATENCY_ MEAS_READY

1 = Indicates latency measurement is complete and value in latency

measurement counter (LATENCY_MEAS_COUNT[19:0]) is ready to be read.

Bits[19:16] of 20 bit wide latency measurement counter.

Latency measurement counter value represents the latency in number of clock

17.3:0

LATENCY_MEAS_COUNT[19:16]

cycles. This counter will return 20’h00000 if it is read before rx comma is

COR(1)

received. If latency is more than 20’hFFFFF clock cycles then this counter

returns 20’hFFFFF.

(1)

User has to make sure Register 0x11 has to be read first before reading Register 0x12. Latency measurement counter value resets to

20’h00000 when Register 0x12 is read. Comma indication (17.15 and 17.14) and count valid (17.4) bits are also cleared when Register

0x12 is read.

Table 3-23. LATENCY_COUNTER_1

Address: 0x12

Default: 0x0000

BIT(s)

NAME

DESCRIPTION

ACCESS

18.15:0

LATENCY_MEAS_COUNT[15:0]

Bits[15:0] of 20 bit wide latency measurement counter.

COR(1)

(1)

User has to make sure Register 0x11 has to be read first before reading Register 0x12. Latency measurement counter value resets to

20’h00000 when Register 0x12 is read. Comma indication (17.15 and 17.14) and count valid (17.4) bits are also cleared when Register

0x12 is read.

Table 3-24. TI_RESERVED_CONTROL_1

Address: 0x13

Default: 0x0200

BIT(s)

NAME

DESCRIPTION

ACCESS

19.12

RESERVED

For TI use only

19.9

RESERVED

For TI use only

19.8

RESERVED

For TI use only

N/A

19.7

RESERVED

For TI use only

19.3

RESERVED

For TI use only

19.0

RESERVED

For TI use only

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