MSC7116 datasheet(30/60 Pages) FREESCALE

No de pièce	MSC7116

Description	Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC

PDF	60 Pages

Scroll/Zoom	100%

Fabricant	FREESCALE [Freescale Semiconductor, Inc]

Site Internet	http://www.freescale.com

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30 / 60 page

MSC7116 Data Sheet, Rev. 13

Electrical Characteristics

Freescale Semiconductor

2.5.6.2

Transmit Signal Timing

2.5.6.3

Asynchronous Input Signal Timing

Table 22. Transmit Signal Timing

No.

Characteristics

Min

Max

Unit

800

Transmit clock period:

• MII: TXCLK

• RMII: REFCLK

—

801

Transmit clock pulse width high—as a percent of clock period

• MII: RXCLK

• RMII: REFCLK

—

802

Transmit clock pulse width low—as a percent of clock period:

• MII: RXCLK

• RMII: REFCLK

—

805

Transmit clock to TXDn, TX_EN, TX_ER invalid

—

806

Transmit clock to TXDn, TX_EN, TX_ER valid

—

Figure 11. Ethernet Receive Signal Timing

Table 23. Asynchronous Input Signal Timing

No.

Characteristics

Min

Max

Unit

807

• MII: CRS and COL minimum pulse width (1.5

× TXCLK period)

• RMII: CRS_DV minimum pulse width (1.5 x REFCLK period)

—

Figure 12. Asynchronous Input Signal Timing

Valid

Transmit

TX_EN

TXDn

TX_ER

805

806

clock

800

801

802

CRS

COL

807

CRS_DV

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