STAMP0TR datasheet(2/62 Pages) STMICROELECTRONICS

2 / 62 page

Contents

STAMP0

2/62

DocID028639 Rev 1

Contents

Pin description ................................................................................ 8

Description and block diagram .................................................... 10

Electrical specifications................................................................ 11

3.1

Absolute maximum ratings .............................................................. 11

3.2

Recommended operating conditions............................................... 11

3.3

Electrical characteristics.................................................................. 12

Architecture ................................................................................... 13

4.1

PDM sampling interface .................................................................. 13

4.2

Microphone processor..................................................................... 15

4.2.1

Decimation filters .............................................................................. 16

4.3

ST microphone recombination (STMRecomb) ................................ 17

4.3.1

Recombination bypass functionality ................................................. 18

4.3.2

PDM interface channel mapping ...................................................... 19

4.3.3

Interrupts and masking ..................................................................... 19

4.3.4

Microphone failure detection ............................................................ 19

4.3.5

Averaging based RMS calculation ................................................... 21

4.4

Reset............................................................................................... 21

4.5

Serial output interface ..................................................................... 22

4.5.1

Channel mapping ............................................................................. 22

4.5.2

Time division multiplexing................................................................. 23

4.6

I²C interface..................................................................................... 25

4.6.1

I²C communication protocol.............................................................. 25

4.6.2

Data transition or change ................................................................. 26

4.6.3

Start condition................................................................................... 26

4.6.4

Stop condition ................................................................................... 26

4.6.5

Data input ......................................................................................... 26

4.6.6

Device addressing ............................................................................ 26

4.6.7

Write operation ................................................................................. 26

4.6.8

Byte write .......................................................................................... 26

4.6.9

Multi-byte write ................................................................................. 26

4.7

Read operation................................................................................ 27

4.7.1

Current address byte read................................................................ 27

4.7.2

Current address multi-byte read ....................................................... 27

4.7.3

Random address byte read .............................................................. 27

4.7.4

Random address multi-byte read ..................................................... 27

Obsolete

Product(s)

- Obsolete

Product(s)

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