AV2432C Datasheet

IC型號：
AV2432C
PDF描述：
single-chip voice synthesizing CMOS IC
文件大小：
389.13KB
PDF頁數(shù)：
13頁
芯片廠家：
APLUS

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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:

Rev 1.0

2003/02/12

型號

版本

描述

廠商

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