ISD5216
7.5.10. Message Cueing.....................................................................................................26
7.6. digital mode........................................................................................................................26
7.6.1. Writing Data ..............................................................................................................26
7.6.2. Reading Data............................................................................................................26
7.6.3. Erasing Data .............................................................................................................27
7.6.4. Load Configuration Registers...................................................................................27
7.7. ISD5216 ANALOG STRUCTURE (Left Half) description ..................................................31
7.7.1 Speaker, AUX OUT and Volume Control Description ...............................................33
7.7.2. Microphone and Auxiliary Inputs ..............................................................................34
7.7.3. CODEC Configuration (First Page) ..........................................................................35
7.8. PIN DETAILS......................................................................................................................37
7.8.1. Power and Ground Pins............................................................................................37
7.8.2. Digital I/O Pins: .........................................................................................................37
7.8.3. CODEC Iinterface Pincs ...........................................................................................39
7.8.4. ANALOG I/O PINS....................................................................................................39
7.9. AUTO MUTE AND AUTO GAIN FUNCTIONS ..................................................................41
7.10 PROGRAMMING THE ISD 5216......................................................................................41
7.10 PROGRAMMING THE ISD 5216......................................................................................42
7.10.1. Sending a byte on the I2C interface .......................................................................42
7.10.2. POWER-UP SEQUENCE.......................................................................................42
7.10.3. Read Status command ...........................................................................................42
7.10.4. Load Command Byte Register (Single Byte Load):................................................43
7.10.5. Load Command Byte Register (Address Load):.....................................................43
7.10.6. Digital Erase............................................................................................................44
7.10.7. Digital Write.............................................................................................................45
7.10.8. Digital Read ............................................................................................................45
7.10.9. Feed Through Mode ...............................................................................................45
7.10.10. Call Record...........................................................................................................48
7.10.11. Memo Record .......................................................................................................49
7.10.12. Memo and Call Playback......................................................................................50
7.11. SAMPLE PC LAYOUT FOR PDIP ...................................................................................51
8. TIMING DIAGRAMS.................................................................................................................. 52
9. ABSOLUTE MAXIMUM RATINGS............................................................................................ 60
10. ELECTRICAL CHARACTERISTICS....................................................................................... 61
11. TYPICAL APPLICATION CIRCUIT......................................................................................... 67
Publication Release Date: Jan. 31, 2006
- 5 -
Revision B.4
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