ADSP-BF512 View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

ADSP-BF512

DSP Microcomputer

Analog Devices 

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ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F

Table 46. 10/100 Ethernet MAC Controller Timing: RMII Transmit Signal

Parameter1

Switching Characteristics

tEREFCLKOV

tEREFCLKOH

RMII REF_CLK Rising Edge to Tx Output Valid (Data Out Valid)

RMII REF_CLK Rising Edge to Tx Output Invalid (Data Out Hold)

1 RMII outputs synchronous to RMII REF_CLK are ETxD1–0.

Min

Max

Unit

8.1

ns

2

ns

RMII_REF_CLK

ETxD1–0

ETxEN

tREFCLK

tREFCLKOH

tREFCLKOV

Figure 34. 10/100 Ethernet MAC Controller Timing: RMII Transmit Signal

Rev. B | Page 47 of 68 | January 2011

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