ISD15C00
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 ........................................................................................ 15
7.1 ANALOG SIGNAL PATH ........................................................................................................................... 15
7.1.1 ANAIN & MICIN Analog Input ...................................................................................................... 16
7.1.2 AUX Analog Input .......................................................................................................................... 17
7.1.3 AUX & AUD Analog Output .......................................................................................................... 19
7.1.4 BTL Analog Output ........................................................................................................................ 20
7.2 DIGITAL SIGNAL PATH ........................................................................................................................... 21
8 ISD15C00 MEMORY MANAGEMENT ........................................................................................... 22
8.1 ISD15C00 MEMORY FORMAT ................................................................................................................ 22
8.2 MESSAGE MANAGEMENT ................................................................ ................................ ....................... 23
8.2.1 Voice Prompts ................................................................................................................................ 24
8.2.2 Voice Macros ................................................................................................................................. 24
8.2.3 User Data ....................................................................................................................................... 25
8.2.4 Reserved Sectors ............................................................................................................................ 25
8.2.5 Message Recordings ...................................................................................................................... 25
8.3 MEMORY AND MESSAGE HEADERS ........................................................................................................ 26
8.3.1 Memory Header ............................................................................................................................. 26
8.3.2 Message Header............................................................................................................................. 27
8.4 DIGITAL ACCESS OF MEMORY ................................................................................................................ 28
8.5 DEVICE ERASE COMMANDS .................................................................................................................... 28
8.6 MEMORY CONTENTS PROTECTION ......................................................................................................... 28
9 I
2
S INTERFACE ............................................................................................................................. 29
10 CLOCK GENERATION............................................................................................................... 30
10.1 EXTERNAL CRYSTAL OSCILLATOR ......................................................................................................... 31
10.2 I
2
S CLOCK USAGE .................................................................................................................................. 33
10.3 INTERNAL OSCILLATOR ................................................................................................ .......................... 33
11 INITIALIZATION & RECORD/PLAY FLOWCHART ................................................................... 34
12 DEVICE CONFIGURATION AND STATUS ............................................................................... 36
12.1 CLOCK CONFIGURATION......................................................................................................................... 36
12.2 DEVICE STATUS REGISTER ..................................................................................................................... 37
12.3 DEVICE CONFIGURATION REGISTERS ................................................................................................ ..... 39
12.4 DEVICE IDENTIFICATION REGISTERS. ..................................................................................................... 59
13 SPI COMMANDS ........................................................................................................................ 60
13.1 AUDIO PLAY AND RECORD COMMANDS ................................................................................................. 62