Datasheet
VS1053b Datasheet
CONTENTS
Contents
VS1053 1
Table of Contents 2
List of Figures 5
1 Licenses 6
2 Disclaimer 6
3 Deļ¬nitions 6
4 Characteristics & Speciļ¬cations 7
4.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Analog Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.5 Digital Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.6 Switching Characteristics - Boot Initialization . . . . . . . . . . . . . . . . . . . . 9
5 Packages and Pin Descriptions 10
5.1 Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1.1 LQFP-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Connection Diagram, LQFP-48 13
7 SPI Buses 15
7.1 SPI Bus Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1.1 VS10xx Native Modes (New Mode, recommended) . . . . . . . . . . 15
7.1.2 VS1001 Compatibility Mode (deprecated, do not use in new designs) 15
7.2 Data Request Pin DREQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.3 Serial Protocol for Serial Data Interface (SPI / SDI) . . . . . . . . . . . . . . . . 17
7.3.1 SDI in VS10xx Native Modes (New Mode, recommended) . . . . . . 17
7.3.2 SDI Timing Diagram in VS10xx Native Modes (New Mode) . . . . . . 18
7.3.3 SDI in VS1001 Compatibility Mode (deprecated, do not use in new
designs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.3.4 Passive SDI Mode (deprecated, do not use in new designs) . . . . . 19
7.4 Serial Protocol for Serial Command Interface (SPI / SCI) . . . . . . . . . . . . . 20
7.4.1 SCI Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.4.2 SCI Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.4.3 SCI Multiple Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.4.4 SCI Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.5 SPI Examples with SM_SDINEW and SM_SDISHARED set . . . . . . . . . . . 23
7.5.1 Two SCI Writes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.5.2 Two SDI Bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.5.3 SCI Operation in Middle of Two SDI Bytes . . . . . . . . . . . . . . . 24
8 Supported Audio Decoder Formats 25
8.1 Supported MP3 (MPEG layer III) Formats . . . . . . . . . . . . . . . . . . . . . 25
8.2 Supported MP2 (MPEG layer II) Formats . . . . . . . . . . . . . . . . . . . . . . 26
Version: 1.22, 2014-12-19 2