Dprx_ber_control, Dprx_ber_control -5 – Altera DisplayPort MegaCore Function User Manual

Page 156

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Bit

Bit Name

Function

5

SYM_LOCK1

0 = Symbol unlocked (lane 1)
1 = Symbol locked (lane 1)

4

SYM_LOCK0

0 = Symbol unlocked (lane 0)
1 = Symbol locked (lane 0)

3

CR_LOCK3

0 = Clock unlocked (lane 3)
1 = Clock locked (lane 3)

2

CR_LOCK2

0 = Clock unlocked (lane 2)
1 = Clock locked (lane 2)

1

CR_LOCK1

0 = Clock unlocked (lane 1)
1 = Clock locked (lane 1)

0

CR_LOCK0

0 = Clock unlocked (lane 0)
1 = Clock locked (lane 0)

DPRX_BER_CONTROL

Address: 0×0002
Direction: CRW
Reset: 0×00000000
Note: When

PHY_SINK_TEST_LANE_EN

equals 1,

CR_LOCK

and

SYM_LOCK

bits (register

DPRX_RX_STATUS

)

are forced to 1 for lanes that are not being tested.

Table 10-6: DPRX_BER_CONTROL Bits

Bit

Bit Name

Function

31:28

Unused

27

RSTI3

Writing this bit at 1 resets lane 3 bit-error counter in

register

DPRX_BER_CNTI1

. Always reads as ‘0’.

26

RSTI2

Writing this bit at 1 resets lane 2 bit-error counter in

register

DPRX_BER_CNTI1

. Always reads as ‘0’.

25

RSTI1

Writing this bit at 1 resets lane 1 bit-error counter in

register

DPRX_BER_CNTI0

. Always reads as ‘0’.

24

RSTI0

Writing this bit at 1 resets lane 0 bit-error counter in

register

DPRX_BER_CNTI0

. Always reads as ‘0’.

UG-01131

2015.05.04

DPRX_BER_CONTROL

10-5

DisplayPort Sink Register Map and DPCD Locations

Altera Corporation

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