Timing for Voice Triggered Recording (PDMD Pin = High)
RESET
(I)
,,,, ROM
(I)
VDS
(I)
SAM1, SAM2 (I)
(I)
4B/3B
CA0-CA5
(I)
Bit rate designation
Phrase designation
REC/PLAY
(I)
tST
tCAH
ST
(I)
tSP
tSP
SP
(I)
XT
XT
MON
(I)
(O)
tSTN
(O)
tSTVH
Oscillation in progress
tSPVH
tPMH1
NAR
(O)
tAD1
Power down
Standby
Standby for voice
Voice detected
Address control
Recording
When STOP pulse is input during standby for voice,
the MSM6688 goes to the recording standby state.
Standby
Power down