MAS3549F datasheet(74/92 Pages) MICRONAS

74 / 92 page

MAS 35x9F

DATA SHEET

June 30, 2004; 6251-505-1DS

Micronas

Fig. 4–22: Serial input of I2S signal

4.6.2.3. Serial Output Interface Characteristics (SDO)

at T = TA, VSUPD, VSUPA = 2.2 ... 3.6 V, fCRYSTAL = 18.432 MHz, Typ. values for TA =25 °C in P(L/M)QFP package

Table 4–7: Allowed transmission delays of external data source MPEG1/2 Layer 2/3

Symbol

Parameter

Pin Name

Limit Values

Unit

Test Conditions

Min.

Typ.

Max.

tSTART48-320 Allowed delay time before

start of serial data

transmission after assertion

of signal at EOD

EOD

3.1

48 kHz/s, 320 kbit/s

tSTART48-64

5.7

48 kHz/s, 64 kbit/s

tSTART24-320

4.2

24 kHz/s, 320 kbit/s

tSTART24-32

9.2

24 kHz/s, 32 kbit/s

tSTART12-64

23.1

12 kHz/s, 64 kbit/s

tSTART12-16

25.6

12 kHz/s, 16 kbit/s

tSTART8-64

34.8

8 kHz/s, 64 kbit/s

tSTART8-8

38.4

8 kHz/s, 8 kbit/s

tSTOP

Allowed delay time before

stop of serial data

transmission after

deassertion of signal at EOD

EOD

1.3

Clock rate of input data

1Mbit/s

Symbol

Parameter

Pin Name

Limit Values

Unit

Test Conditions

Min.

Typ.

Max.

tSOCLK

I2S clock output frequency

SOC

325

fS = 48 kHz Stereo

32 bits per sample

tSOISS

I2S word strobe delay time

after falling edge of clock

SOC,

SOI

0ns

tSOODC

I2S data delay time after

falling edge of clock

SOC,

SOD

0ns

TSICLK

TSIDH

TSIDS

TSIIH

TSIIS

SI(B)C

SI(B)I

SI(B)D

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