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參數資料
| 型號： | W52920 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 93K |
| 代理商： | W52920 |
W529XX
ADPCM VOICE SYNTHESIZER
(
PowerSpeech II
)
Publication Release Date: April 1997
- 1 -
Revision A3
GENERAL DESCRIPTION
The W529XX family comprises 4-bit ADPCM and 8-bit PCM voice synthesizers that provide basic
PowerSpeech
instructions and a number of more powerful commands, which include basic ALU
operations, data move, branch, and random number generation.
The W529XX family includes the W52904, W52905, W52906, W52910, W52915, and W52920. The
playback duration time of each of these products is shown below:
BODY
W52902
W52904
W52905
W52906
W52910
W52915
W52920
DURATION
6 sec.
12 sec.
20 sec.
30 sec.
40 sec.
60 sec.
80 sec.
Note: All playback lengths are estimated for typical applications.
FEATURES
Powerful programmable speech synthesizer
Wide operating voltage range: 2.4 to 5.5 volts
Both 4-bit ADPCM and 8-bit PCM synthesis methods can be used
Provides 4 trigger pins with separate control of falling/rising edge
Two trigger input debounce times (160 to 320
μ
S or 20 to 40 mS) can be set
8 multiplexed pins can be set as SCAN, FTEST, LED, STOP, or INPUT
Supports ALU operations, including
Branch decisions
Logic operations
Binary addition/subtraction
Data move
Bit operand
Provides eight general purpose registers: R0 to R7
Provides four special registers: EN, MODEn (n: 1, 2), OUTPUT, and ACC
Maximum 32 matrix keys can be defined by H/W or S/W
Provides random number generation by H/W
Section control provided for each GO instruction
Variable frequency: 4.8/6/8/12 KHz
LED: ON/OFF
Three LED flash types provided: 3 Hz, circular, and random
System clock uses 1.5 MHz frequency
Total of 256 label entries available for programming
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