AVxx32A
Series
1. GENERAL DESCRIPTION:
The
AV1232E, AV1832D, AV2432C
are single-chip voice synthesizing CMOS IC. They can
synthesize
voice up to 12, 18 and 24 seconds, using
APLUS
5-bit LOGPCM algorithm. Customer speech data
can
be edited and programmed into ROM by changing one mask during the device fabrication.
2. FEATURES:
(1). Single power supply can operate from 2.4V to
5V.
(2). The total voice duration is about 12, 18 or 24 seconds those can be partitioned up to 32 voice_sections.
Each voice_section length is flexible.
(3). Each voice_section can select 4 kinds of End_Address (i.e. 4 kinds of playing_length), the longest
playing_length is the voice+mute length. The voice+mute length can be up to 22 seconds for each
voice_section ( at 6kHz sample rate ).
(4). Total 255 voice_steps are available for 32 sub_tables. For each voice_step, it can specify one
voice_section, one playing_length of voice_section, one kind of playback speed and STS1, STS2, STS3,
STS4 output enable options.
8 kinds of playback speed: 1>5.0k ; 2>5.6k ; 3>6.2k ; 4>7.0k ; 5>8.0k ; 6>9.4k ; 7>11.3k ; 8>14.1k Hz
( With Rosc= 180k ohms at Vdd= 3V )
STS1, 2, 3, 4 output enable options: each output pin with one control bit. ( 鈥?鈥?/div>
鈫?/div>
enable, 鈥?鈥?/div>
鈫?/div>
disable )
(5). Three trigger input mode: MATRIX, ALONE and CPU_INTERFACE. ( Mask option )
In MATRIX and ALONE, there are Mode, Priority and Debounce selections.
One control input pin 鈥淢ODE/STS4鈥?can be used as Mode selection or STS4. ( Mask option )
鈻?/div>
MATRIX mode: 4x4 matrix inputs ; M1~M16 (ROW1~4 x COL1~4)
鈼嶮ode
selection: Mode=0
鈫?/div>
subtable1~16 ; Mode=1
鈫?/div>
subtable17~32.
鈼嶱riority:
M1>M2>M3>M4 ; M5>M6>M7>M8 ; M9>M10>M11>M12 ; M13>M14>M15>M16.
鈼嶥ebounce:
11ms or 1ms.
鈻?/div>
ALONE mode: 8 alone inputs ; A1~A8 (ROW1~4 + COL1~4)
鈼嶮ode
selection: Mode=0
鈫?/div>
subtable1~8 ; Mode=1
鈫?/div>
subtable9~16
鈼嶱riority:
A1>A2>A3>A4>A5>A6>A7>A8.
鈼嶥ebounce:
10ms or 50us
Each alone input can choose 1M+CDS, 10M or 10M+CDS pull-low input type.
If MODE/STS4 is selected for STS4 output, MATRIX is only subtable1~16 available and ALONE is only
subtable1~8 available.
In these 2 modes, all the trigger input can be assign as different playing mode with following options:
1
Rev 1.0
2003/02/12
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