ISD15100 SERIES
Publication Release Date: Aug 30, 2011
- 2 - Revision 1.4
TABLE OF CONTENTS
1 GENERAL DESCRIPTION .............................................................................................................. 4
2 FEATURES ...................................................................................................................................... 4
3 BLOCK DIAGRAM ........................................................................................................................... 6
4 PINOUT CONFIGURATION ............................................................................................................ 8
5 PIN DESCRIPTION .......................................................................................................................... 9
6 SPI INTERFACE ............................................................................................................................ 12
7 ANALOG AND DIGITAL SIGNAL PATH ........................................................................................ 14
7.1 ANALOG SIGNAL PATH ........................................................................................................................... 14
7.1.1 ANAIN & MICIN Analog Input ...................................................................................................... 15
7.1.2 AUX Analog Input .......................................................................................................................... 16
7.1.3 AUX & AUD Analog Output .......................................................................................................... 18
7.1.4 BTL Analog Output ........................................................................................................................ 19
7.2 DIGITAL SIGNAL PATH ........................................................................................................................... 20
8 ISD15100 MEMORY MANAGEMENT ........................................................................................... 21
8.1 ISD15100 MEMORY FORMAT ................................................................................................................. 21
8.2 MESSAGE MANAGEMENT ................................................................................................ ....................... 22
8.2.1 Voice Prompts ................................................................................................................................ 22
8.2.2 Voice Macros ................................................................................................................................ . 22
8.2.3 User Data ....................................................................................................................................... 23
8.2.4 Reserved Sectors ............................................................................................................................ 23
8.2.5 Message Recordings ...................................................................................................................... 24
8.3 MEMORY AND MESSAGE HEADERS ........................................................................................................ 24
8.3.1 Memory Header ............................................................................................................................. 24
8.3.2 Message Header............................................................................................................................. 25
8.4 DIGITAL ACCESS OF MEMORY ................................................................................................................ 26
8.5 DEVICE ERASE COMMANDS ................................................................ ................................ .................... 26
8.6 MEMORY CONTENTS PROTECTION ......................................................................................................... 26
9 I
2
S INTERFACE ............................................................................................................................. 28
10 CLOCK GENERATION............................................................................................................... 29
10.1 EXTERNAL CRYSTAL OSCILLATOR ......................................................................................................... 30
10.2 I
2
S CLOCK USAGE .................................................................................................................................. 32
10.3 INTERNAL OSCILLATOR ................................................................................................ .......................... 32
11 INITIALIZATION & RECORD/PLAY FLOWCHART ................................................................... 33
12 DEVICE CONFIGURATION AND STATUS ............................................................................... 35
12.1 CLOCK CONFIGURATION......................................................................................................................... 35
12.2 DEVICE STATUS REGISTER ..................................................................................................................... 36
12.3 DEVICE CONFIGURATION REGISTERS ..................................................................................................... 38
12.4 DEVICE IDENTIFICATION REGISTERS. ................................................................................................ ..... 58
13 SPI COMMANDS ........................................................................................................................ 59
13.1 AUDIO PLAY AND RECORD COMMANDS ................................................................................................. 61