ISD5008
Publication Release Date: Oct 31 2008
- 21 -
Revision 1.2
6.4.3
Power-Up Sequence
The ISD5008 will be ready for an operation after TPUD (25 ms approximately for 8 kHz sample rate).
The user needs to wait TPUD before issuing an instruction. Below are suggested playback and record
examples for references.
6.4.3.1
Record Mode
1. Send POWERUP command.
2. Wait TPUD (power-up delay).
3. Send POWERUP command.
4. Wait 2 x TPUD (power-up delay).
5. Load CFG0 and CFG1 for desired operation.
6. Wait TPUD.
7. Send SETREC command with address xx, or send REC command.
8. Send STOP to halt the record operation or when the end of memory (OVF) is reached, then
record stops automatically.
9. Wait TStop/Pause..
6.4.3.2
Playback Mode
1.
Send POWERUP command.
2.
Wait TPUD (power-up delay).
3.
Load CFG0 and CFG1 for desired operation.
4.
Wait TPUD.
5.
Send SETPLAY command with address xx, or send PLAY command.
6.
Send STOP to halt the playback operation or wait until an EOM is reached, then playback
stops automatically.
7.
Wait TStop/Pause..
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