EP9302-IQ View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

EP9302-IQ

High-speed ARM9 System-on-chip Processor with MaverickCrunch

Cirrus Logic 

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EP9302

High-speed ARM9 System-on-chip Processor with MaverickCrunch

Inter-IC Sound - I2S

Parameter

SCLK cycle time

SCLK high time

SCLK low time

SCLK rise/fall time

SCLK to LRCLK assert delay time

Hold between SCLK assert then LRCLK deassert

or

Hold between LRCLK deassert then SCLK assert

SDI to SCLK deassert setup time

SDI from SCLK deassert hold time

SCLK assert to SDO delay time

SDO from SCLK assert hold time

Symbol

tclk_per

tclk_high

tclk_low

tclkrf

tLRd

tLRh

tSDIs

tSDIh

tSDOd

tSDOh

Note:

ti2s_clk is programmable by the user.

Min

-

-

-

1

-

Typ

ti2s_clk

(ti2s_clk) / 2

(ti2s_clk) / 2

4

-

Max

-

-

-

8

3

0

-

-

12

-

-

0

-

-

-

-

9

1

-

-

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

tclk_high

SCLK

LRCLK

SDI

SDO

tclk_per

tclk_low

tLRd

tLRh

tSDIs

tSDOd

tSDOh

tclkrf

tSDIh

Figure 19. Inter-IC Sound (I2S) Timing Measurement

32

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