AVxx32A Series

Rev 1.0

2003/02/12

4

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If both STS1(STS3) and STS2(STS4) are in 6Hz or 3Hz mode, they will flash alternatively.

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For STS1 and STS3 options, the DYBZL must selected same level.

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For STS2 and STS4 options, the DYNAMIC must selected same level.

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STS4 was enabled only when the MODE/STS4 is in STS4 option.

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For each voice_step, the STS1, STS2, STS3, STS4 can be mask_selected as active or inactive.

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If select flash at mute of STS1(STS3), can select 3Hz or 1.5Hz or 0.75Hz.

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If select flash at mute of STS2(STS4), can select 3Hz or 1.5Hz or 0.75Hz.

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If both select off at mute of STS1(STS2,STS3,STS4) or on at mute of STS2(STS4), can only select

3Hz or 1.5Hz or 0.75Hz at the same level.

(9). Oscillator selection:

(A). External oscillator: Connect OSC pin to Vdd with a resister, Rosc.

(B). Internal oscillator: Connect OSC pin to GND.

(C). There are 8 playback speeds for options whether selecting external or internal oscillator.

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When external Rosc is 180k ohms at 3V, there are 8 kinds of playback speed as in item (4). If you

change the value of Rosc, the 8 kinds of playback speed will be changed accordingly and equally.

Therefore, you can change the Rosc to change the range of 8 playback_speeds.

3. BLOCK DIAGRAM: