SPC584BX datasheet(95/142 Pages) STMICROELECTRONICS

Part #	SPC584BX

Description	32-bit Power Architecture microcontroller for automotive ASIL-B applications

PDF	142 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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95 / 142 page

DS11701 Rev 4

95/142

SPC584Bx

Electrical characteristics

101

Figure 36. MII transmit signal timing diagram

4.17.3.3

MII async inputs signal timing (CRS and COL)

Figure 37. MII async inputs timing diagram

Table 50. MII transmit signal timing

Symbol

Characteristic

Value(1)

Unit

Min

Max

CC D TX_CLK to TXD[3:0], TX_EN, TX_ER invalid

—

CC D TX_CLK to TXD[3:0], TX_EN, TX_ER valid

—

CC D TX_CLK pulse width high

35 %

65 %

TX_CLK period

CC D TX_CLK pulse width low

35 %

65 %

TX_CLK period

1. Output parameters are valid for CL = 25 pF, where CL is the external load to the device. The internal package capacitance

is accounted for, and does not need to be subtracted from the 25pF value

TX_CLK (input)

TXD[3:0] (outputs)

TX_EN

TX_ER

Table 51. MII async inputs signal timing

Symbol

Characteristic

Value

Unit

Min

Max

CC D CRS, COL minimum pulse width

1.5

—

TX_CLK period

CRS, COL

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