DP83867CS datasheet(67/114 Pages) TI1

67 / 114 page

DP83867CS, DP83867IS, DP83867E

www.ti.com

SNLS504 – OCTOBER 2015

9.6.18 Configuration Register 2 (CFG2)

Table 29. Configuration Register 2 (CFG2), Address 0x0014

BIT

BIT NAME

DEFAULT

DESCRIPTION

15:14

RESERVED

0, RO

RESERVED: Writes ignored, read as 0.

INTERRUPT_POLARITY

1, RW

Configure Interrupt Polarity:

1 = Interrupt pin is active low.

0 = Interrupt pin is active high.

RESERVED

0, RO

RESERVED

11:10

SPEED_OPT_ATTEMPT_CNT

10, RO

Speed Optimization Attempt Count:

Selects the number of 1000BASE-T link establishment attempt

failures prior to performing Speed Optimization.

11 = 8

10 = 4

01 = 2

00 = 1

SPEED_OPT_EN

1, RW

Speed Optimization Enable:

1 = Enable Speed Optimization.

0 = Disable Speed Optimization.

SPEED_OPT_ENHANCED_EN

1, RW

Speed Optimization Enhanced Mode Enable:

In enhanced mode, speed is optimized if energy is not detected in

channels C and D.

1 = Enable Speed Optimization enhanced mode.

0 = Disable Speed Optimization enhanced mode.

SGMII_AUTONEG_EN

1, RW

SGMII Auto-Negotiation Enable:

1 = Enable SGMII Auto-Negotaition.

0 = Disable SGMII Auto-Negotaition.

SPEED_OPT_10M_EN

1, RW

Enable Speed Optimization to 10BASE-Te:

1 = Enable speed optimization to 10BASE-Te if link establishment

fails in 1000BASE-T and 100BASE-TX .

0 = Disable speed optimization to 10BASE-Te.

5:0

RESERVED

0, RO

RESERVED

9.6.19 Receiver Error Counter Register (RECR)

Table 30. Receiver Error Counter Register (RECR), Address 0x0015

BIT

BIT NAME

DEFAULT

DESCRIPTION

15:0

RXERCNT[15:0]

0, RO, WSC

RX_ER Counter:

Receive error counter. This register saturates at the maximum value

of 0xFFFF. It is cleared by dummy write to this register.

Submit Documentation Feedback

DP83867CS Datasheet(PDF) 67 Page - Texas Instruments

DP83867CS Datasheet(HTML) 67 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL