IMX6SDLCEC datasheet(75/169 Pages) NXP

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Electrical Characteristics

i.MX 6Solo/6DualLite Applications Processors for Consumer Products, Rev. 9, 11/2018

NXP Semiconductors

4.11.3

Enhanced Serial Audio Interface (ESAI) Timing Parameters

The ESAI consists of independent transmitter and receiver sections, each section with its own clock

generator. Table 51 shows the interface timing values. The number field in the table refers to timing

signals found in Figure 38 and Figure 39.

Table 51. Enhanced Serial Audio Interface (ESAI) Timing Parameters

No.

Characteristics1,2

Symbol

Expression2

Min

Max

Condition3 Unit

Clock cycle4

tSSICC

× Tc

30.0

—

i ck

Clock high period:

• For internal clock

• For external clock

—

× Tc − 9.0

× Tc

—

Clock low period:

• For internal clock

• For external clock

—

× Tc − 9.0

× Tc

—

ESAI_RX_CLK rising edge to ESAI_RX_FS out (bl) high

—

17.0

7.0

x ck

i ck a

ESAI_RX_CLK rising edge to ESAI_RX_FS out (bl) low

—

17.0

7.0

x ck

i ck a

ESAI_RX_CLK rising edge to ESAI_RX_FS out (wr)

high5

—

19.0

9.0

x ck

i ck a

ESAI_RX_CLK rising edge to ESAI_RX_FS out (wr) low5

—

19.0

9.0

x ck

i ck a

ESAI_RX_CLK rising edge to ESAI_RX_FS out (wl) high

—

16.0

6.0

x ck

i ck a

ESAI_RX_CLK rising edge to ESAI_RX_FS out (wl) low

—

17.0

7.0

x ck

i ck a

Data in setup time before ESAI_RX_CLK (SCK in

synchronous mode) falling edge

—

12.0

19.0

—

x ck

i ck

Data in hold time after ESAI_RX_CLK falling edge

—

3.5

9.0

—

x ck

i ck

ESAI_RX_FS input (bl, wr) high before ESAI_RX_CLK

falling edge5

—

2.0

12.0

—

x ck

i ck a

ESAI_RX_FS input (wl) high before ESAI_RX_CLK

falling edge

—

2.0

12.0

—

x ck

i ck a

ESAI_RX_FS input hold time after ESAI_RX_CLK falling

edge

—

2.5

8.5

—

x ck

i ck a

ESAI_TX_CLK rising edge to ESAI_TX_FS out (bl) high

—

18.0

8.0

x ck

i ck

ESAI_TX_CLK rising edge to ESAI_TX_FS out (bl) low

—

20.0

10.0

x ck

i ck

ESAI_TX_CLK rising edge to ESAI_TX_FS out (wr)

high5

—

20.0

10.0

x ck

i ck

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