MPC8569E datasheet(66/127 Pages) FREESCALE

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MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Ethernet Interface

Freescale Semiconductor

2.6.4.1.2

SGMII Transmit DC Timing Specifications

Table 36 and Table 37 describe the SGMII SerDes transmitter and receiver AC-coupled DC electrical characteristics.

Transmitter DC characteristics are measured at the transmitter outputs, SD_TX[n] and SD_TX[n], as shown in Figure 28.

Table 36. SGMII DC Transmitter Electrical Characteristics

At recommended operating conditions with XVDD = 1.0 V ± 3% and 1.1 V ± 3%.

Parameter

Symbol

Min

Typ

Max

Unit

Notes

Output high voltage

VOH

——

XVDD-Typ/2 +

|VOD|-max/2

Output low voltage

VOL

XVDD-Typ/2 –

|VOD|-max/2

——

Output differential voltage2, 3, 4

(XVDD-Typ at 1.0 V)

|VOD|

320.0

500.0

725.0

Equalization

setting: 1.0×

293.8

459.0

665.6

Equalization

setting: 1.09×

266.9

417.0

604.7

Equalization

setting: 1.2×

240.6

376.0

545.2

Equalization

setting: 1.33×

213.1

333.0

482.9

Equalization

setting: 1.5×

186.9

292.0

423.4

Equalization

setting: 1.71×

160.0

250.0

362.5

Equalization

setting: 2.0×

MPC8569E Datasheet(PDF) 66 Page - Freescale Semiconductor, Inc

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