MPC8378E datasheet(25/127 Pages) FREESCALE

No. de pieza	MPC8378E

Descripción Electrónicos	PowerQUICC II Pro Processor Hardware Specifications

PDF	127 Pages

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

Página de inicio	http://www.freescale.com

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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

Ethernet: Enhanced Three-Speed Ethernet (eTSEC)

8.2.2

SGMII DC Electrical Characteristics

Table 26 and Table 27 describe the SGMII DC electrical characteristics. Transmitter DC characteristics are

measured at the transmitter outputs (L1_SD1_TXn and L1_SD1_TXn) as depicted in Figure 8.

NOTE

The voltage levels of the transmitter and the receiver depend on the SerDes

control registers which should be programmed at the recommended values

for SGMII protocol (L1_nVDD = 1.0 V).

Input high current

(VIN = LVDD1, VIN = LVDD2)

IIH

—

–20

μA1, 2

Input low current

(VIN = GND)

IIL

–20

—

μA—

Note:

1 LV

DD1 supports eTSEC 1.

2 LV

DD2 supports eTSEC 2.

Table 26. SGMII DC Transmitter Electrical Characteristics

Parameter

Symbol

Min

Typ

Max

Unit

Notes

Supply voltage

(L1_SDAVDD_0,

L1_XCOREVDD)

XVDD_SRDS

0.95

1.0

1.05

—

Output high voltage

VOH

——

XVDD_SRDS-Typ/2

+ |VOD|-max/2

Output low voltage

VOL

XVDD_SRDS-Typ/2

– |VOD|-max/2

——

Output ringing

VRING

——

—

Table 25. RGMII and RTBI DC Electrical Characteristics (continued)

Parameter

Symbol

Min

Max

Unit

Notes

MPC8378E Datasheet(PDF) 25 Page - Freescale Semiconductor, Inc

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