MPC8313ECVRAFDB datasheet(29/100 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2.1

Freescale Semiconductor

Ethernet: Three-Speed Ethernet, MII Management

Figure 15. 4-Wire AC-Coupled SGMII Serial Link Connection Example

Table 32. SGMII DC Transmitter Electrical Characteristics

Parameter

Symbol

Min

Typ

Max

Unit

Notes

Supply voltage

XCOREVDD

0.95

1.0

1.05

Output high voltage

VOH

—

XCOREVDD-Typ/2

+|VOD|-max/2

Output low voltage

VOL

XCOREVDD-Typ/2

– |VOD|-max/2

——

Output ringing

VRING

——

Output differential voltage2, 3

|VOD|

323

500

725

Equalization

setting: 1.0x

Output offset voltage

VOS

425

500

575

1, 4

Output impedance

(single-ended)

—

Mismatch in a pair

ΔRO

——

Change in VOD between 0 and 1

Δ|VOD|—

—

Change in VOS between 0 and 1

ΔVOS

——

Output current on short to GND

ISA, ISB

——

Notes:

1. This will not align to DC-coupled SGMII. XCOREVDD-Typ = 1.0 V.

2. |VOD| = |VTXn – VTXn|. |VOD| is also referred as output differential peak voltage. VTX-DIFFp-p = 2*|VOD|.

3. The |VOD| value shown in the Typ column is based on the condition of XCOREVDD-Typ = 1.0 V, no common mode offset

variation (VOS = 500 mV), SerDes transmitter is terminated with 100-Ω differential load between TX[n] and TX[n].

4. VOS is also referred to as output common mode voltage.

MPC8313E SGMII

SerDes Interface

Transmitter

RXm

Receiver

CTX

Receiver

Transmitter

TXm

CTX

MPC8313ECVRAFDB Datasheet(PDF) 29 Page - Freescale Semiconductor, Inc

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