IMX8MPCEC datasheet(60/111 Pages) NXP

Part #	IMX8MPCEC

Description	i.MX 8M Plus Applications Processor Datasheet for Consumer Products

PDF	111 Pages

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Manufacturer	NXP [NXP Semiconductors]

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i.MX 8M Plus Applications Processor Datasheet for Consumer Products, Rev. 0, 03/2021

NXP Semiconductors

Electrical characteristics

Figure 24 shows RMII mode timings. Table 48 describes the timing parameters (M16–M21) shown in the

figure.

Figure 24. RMII mode signal timing diagram

3.8.4.3

RGMII signal switching specifications

The following timing specifications meet the requirements for RGMII interfaces for a range of transceiver

devices.

Table 48. RMII signal timing

Characteristic

Min.

Max.

Unit

M16

ENET_CLK pulse width high

35%

65%

ENET_CLK period

M17

ENET_CLK pulse width low

35%

65%

ENET_CLK period

M18

ENET_CLK to ENET0_TXD[1:0], ENET_TX_DATA invalid

—

M19

ENET_CLK to ENET0_TXD[1:0], ENET_TX_DATA valid

—

M20

ENET_RX_DATAD[1:0], ENET_RX_EN(ENET_RX_EN), ENET_RX_ER

to ENET_CLK setup

4—

M21

ENET_CLK to ENET_RX_DATAD[1:0], ENET_RX_EN, ENET_RX_ER

hold

2—

ENET_CLK (input)

ENET_TX_EN

M16

M17

M18

M19

M20

M21

ENET_RX_DATA[1:0]

ENET_TX_DATA (output)

ENET_RX_ER

ENET_RX_EN (input)

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