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PDF ( 数据手册 , 数据表 ) AV1232E

零件编号 AV1232E
描述 single-chip voice synthesizing CMOS IC
制造商 Apuls Intergrated Circuits
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AV1232E 数据手册, 描述, 功能
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. ( “0” enable, “1” 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 “MODE/STS4” can be used as Mode selection or STS4. ( Mask option )
MATRIX mode: 4x4 matrix inputs ; M1~M16 (ROW1~4 x COL1~4)
Mode selection: Mode=0 subtable1~16 ; Mode=1 subtable17~32.
Priority: M1>M2>M3>M4 ; M5>M6>M7>M8 ; M9>M10>M11>M12 ; M13>M14>M15>M16.
Debounce: 11ms or 1ms.
ALONE mode: 8 alone inputs ; A1~A8 (ROW1~4 + COL1~4)
Mode selection: Mode=0 subtable1~8 ; Mode=1 subtable9~16
Priority: A1>A2>A3>A4>A5>A6>A7>A8.
Debounce: 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







AV1232E pdf, 数据表
AVxx32A Series
※ 如STS1(STS3)STS2(STS4)選擇相同的 LED 6Hz LED 3Hz LED 1.5Hz LED 0.75 Hz 之模式
時,它們將交互閃爍。
※ 若STS1STS3同時選擇 LED動態送出低位準脈衝( 每㆒語音格 ),須選擇同㆒位準。
※ 若STS2STS4同時選擇 LED動態位準訊號,須選擇同㆒位準。
STS1STS2STS3STS4可由光罩選擇對每㆒語音格( voice_step)致能或非致能。
※ 狀態輸出方式請以時序圖為準。
※ 選擇 STS1(STS3) 的靜音閃爍時,可選擇 3Hz1.5Hz 0.75Hz的輸出.
※ 選擇 STS2(STS4) 的靜音閃爍時,可選擇 3Hz1.5Hz 0.75Hz的輸出.
※ 選擇 STS1( STS2STS3STS4 )的靜音時熄滅和選擇 STS2( STS4) 的靜音時熄滅 或 靜音時亮著,僅
可選擇單㆒位準 3Hz1.5Hz 0.75Hz的輸出.
(9). 選擇頻率振盪器:
(A). 選擇外部電阻可調式頻率振盪器:將 OSC 外接電阻到正電源。
(B). 選擇內建頻率振盪器:將 OSC 接㆞。
(C). 不管選擇內阻或是外阻均有八種播放速度可供選擇。
※ 外接電阻值為180k ohms ( 3V 工作電壓㆘ ),八種播放速度如第4項所示。當改變此外接電阻值,
則八種播放速度會全部等比例改變,因此你可以用外接電阻來改變八種播放速度的範圍。
8 Rev 1.0 2003/02/12














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