s MSM66P54 OTP Speech Synthesizer s––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
“H”
CH (I)
16/SD (I)
15/SI (I)
CMD (I)
1st Phrase Address Serial Input
tSDS
tSIS
“H”
tSSD
tw(SCK)
tSDS
2nd Phrase Address Serial Input
tSIS
ST (I)
BUSY (0)
tNAC
NAR (0)
AOUT (O)
Speech Startup
1st Phrase Play
Figure 19. Playback Timing without Using External Command – Microcomputer Interface
Mode with Serial Input
During serial input, data is transferred to the IC with the rising of the ST input
after the input of the serial data.
4-20
OKI SEMICONDUCTOR