STA013 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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STA013

MPEG 2.5 LAYER III AUDIO DECODER

STMicroelectronics 

STA013 - STA013B - STA013T

The Ancillary Data extraction on STA013 can be

described as follow:

STA013 has a specific Ancillary Data buffer,

mapped into the I2C registers:

0x59

0x5A

0x5B

0x5C

0x5D

ANC_DATA_1

ANC_DATA_2

ANC_DATA_3

ANC_DATA_4

ANC_DATA_5

Since the content of Ancillary Data into an MPEG

Frame STA013 can extract is max. 56 bytes, a

specific register, to require the new 5 byte slot to

STA003 is needed.

This register is:

0x16

CMD_INTERRUPT

The interrupt register, is sensitive to any non-zero

value written by the Microcontroller. When this

register is updated the Ancillary Data buffer is

filled up with new values and the registers

0x41

ANCCOUNT_L

0x42

ANCCOUNT_H

are updated (decremented) accordingly.

5.3. I/O CELL DESCRIPTION

1) CMOS Tristate Output Pad Buffer, 4mA, with Slew Rate Control / Pin numbers 9, 10, 11, 20, 28

EN

Z

A

D98AU904

OUTPUT PIN

Z

2) CMOS Bidir Pad Buffer, 4mA, with Slew Rate Control / Pin numbers 3, 12

MAX LOAD

100pF

EN

A

IO

OUTPUT

PIN

CAPACITANCE

OUTPUT

PIN

MAX

LOAD

IO

5pF

IO

100pF

ZI

D98AU905

3) CMOS Inpud Pad Buffer / Pin numbers 4, 5, 6, 8, 21, 25

A

Z

INPUT PIN

A

D98AU906

4) CMOS Inpud Pad Buffer with Active Pull-Up / Pin numbers 7, 24, 26

A

Z

D98AU907

INPUT PIN

A

CAPACITANCE

3.5pF

CAPACITANCE

3.5pF

28/38

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