參數資料
型號: MSM6650Family
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Voice Synthesis IC,(話音合成芯片)
中文描述: 語音合成芯片,(話音合成芯片)
文件頁數: 26/124頁
文件大?。?/td> 694K
代理商: MSM6650FAMILY
26/124
Semiconductor
MSM6650 Family
A2 - A0 (I)
SW3 - SW2 (I) "L"
SW1 (I)
SW0 (I)
BUSY
(O)
AOUT (O)
t
CHA
1st Phrase
Playback
1st Phrase Voice Stop
2nd Phrase
Playback
Oscillation Startup
Figure 5.4 Timing when SW3-SW0 are Changed during Playback
If playback is attempted at an unused address in the phrase ROM, then AOUT goes to 1/2 V
DD
and
playback does not occur. Figure 5.5 shows the timing.
Figure 5.5 Timing when Playback is Attempted at an Unused Phrase Address
In the SW interface, addresses (against SW3-SW0) that do not start up voice playback exist without
fail. When power is turned ON or when input to
RESET
, the addresses set from SW3 to SW0 become
the addresses that do not start up voice playback. Therefore, when the circuit consists of diode
matrixes that use push-button switches, the maximum playback phrases become 120 phrases.
Combinations of A2-A0 are eight kinds.
When addresses of SW3-SW0 that do not start up voice playback are 0000;
2
7
– 8 = 120 (phrases)
A2 - A0 (I)
SW3 - SW1 (I) "L"
SW0 (I)
BUSY
(O)
AOUT (O)
Oscillation Startup
t
BN
t
L
+t
DAR
+t
BN
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