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PDF AP89341 Data sheet ( Hoja de datos )
| Número de pieza | AP89341 | |
| Descripción | (AP89xxx) Voice OTP IC | |
| Fabricantes | APLUS Integrated Circuits | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP89341 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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Integrated Circuits Inc. aP89341/170/085
APLUS MAKE YOUR PRODUCTION A-PLUS
VOICE OTP IC
aP89341 – 341sec
aP89170 – 170sec
aP89085 – 85sec
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DataShee
APLUS INTEGRATED CIRCUITS INC.
Address:
3 F-10, No. 32, Sec. 1, Chenggung Rd., Taipei,
Taiwan 115, R.O.C.
(115)台北市南港區成功路一段 32 號 3 樓之 10.
TEL: 886-2-2782-9266
FAX: 886-2-2782-9255
WEBSITE : http: //www.aplusinc.com.tw
Sales E-mail:
Support E-mail:
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Integrated Circuits Inc. aP89341/170/085
VOICE SECTION COMBINATIONS
Voice files created by the PC base developing system are stored in the built-in EPROM of the
aP89341/170/085 chip as a number of fixed length Voice Blocks. Voice Blocks are then selected and
grouped into Voice Groups for playback. Up to 254 Voice Groups are allowed. A Voice Block Table
is used to store the information of combinations of Voice Blocks and then group them together to form
Voice Group.
Chip
Memory size
Max no. of Voice Block
Max. no. of Voice Group
No of Voice Table entries
Voice Length
(@ 6KHz 4-bit ADPCM)
aP89341
8M bits
2016
254
7680
341 sec
aP89170
4M bits
992
254
7680
170 sec
aP89085
2M bits
480
254
7680
85 sec
Example of Voice Block Combination
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Assume here we have three voice files, they are “How are You?”, Sound Effect and Music. Each of
the voice file is divided into a number of fixed length Voice Block and stored into the memory.
Voice File 1 - “How are You?” is stored in Voice Block B0 to B12.
Voice File 2 - Sound Effect is stored in Voice Block B13 to B15.
Voice File 3 - Music is Voice Block B16 to B40.
Voice Blocks are grouped together using Voice Table to form Voice Group for playback:
Group no.
Group 1
Group 2
Group 3
Voice Group contents
“How are You?”
Sound Effect + “How are You?”
“How are You?” + Music
Group 4 Music
Voice Table Entries
B0 … B12
B13 … B15 + B0 … B12
B0 … B12 + B16 … B40
B16 … B40
DataShee
Voice Data Compression
Voice File data is stored in the on-chip EPROM as either 4-bit ADPCM or 8-bit PCM format. Voice
data stored as 4-bit ADPCM provides 2:1 data compression which can save 50% of memory space.
On the other hand, voice data are stored as 8-bit PCM format means no data compression is employed
but voice playback quality will be better.
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Integrated Circuits Inc. aP89341/170/085
Command D7 D6 D5 D4 D3 D2 D1 D0
Description
PUP1 (C5h) 1
1
0
0
0
1
0
1
Power up the chip with NO ramp-up (suitable
for VOUT direct drive)
PUP2 (8Dh) 1
0
0
0
1
1
0
1
Power up the chip WITH ramp-up (suitable for
COUT transistor drive)
PDN1
(E1h)
11100001
Power down the chip with NO ramp-down
(suitable for VOUT direct drive)
PDN2
(A9h)
10101001
Power down the chip WITH ramp-down
(suitable for COUT transistor drive)
PLAY
(55h)
01010101
G7 G6 G5 G4 G3 G2 G1 G0
Playback the specified Voice Group
immediately
Voice Group address
(G7=MSB; G0=LSB)
STATUS
(E3h)
11100011
Set output status for OUT2 pin
0
0
0
1
0
G2 G1 G0
OUT2 = BUSYB (000), 8K (001), 4K, 2K, 1K,
16Hz, 1M, EMPTY (FULLB)
PAUSE
(39h)
0
0
1
1
1
0
0
1
Pause the playback and hold at current COUT
value
RESUME
(1Dh)
0
0
0
1
1
1
0
1
Resume playback from the previous COUT
value
0
PREFETCH
1
1
1
0Data0Shee0t4U.1com
Pre-load
Voice
Group address
next playback
into
buffer
for
(71h)
G7 G6 G5 G4 G3 G2 G1 G0
Voice Group address
(G7=MSB; G0=LSB)
• Power up with RAMP-UP (PU2-C5H) or without RAMP-UP (PU1-8DH)
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Fig. 11 Power-up command timing
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1. PU1 (C5H) will power-up the chip and set the COUT to 80H immediately and stay
there.
2. PU2 (8DH) will Ramp-up chip and ramp-up COUT from 00H to 80H and stay there.
3. Power-up will start after 350us (at 6KHz sampling rate).
4. Voice will be playback immediately after PU1 / PU2 completes if the section buffer
is filled with the PREFETCH command before power-up.
5. OUT1 (BUSY) will output logic HIGH during Ramp-up operation.
6. PDN2 (Power-down with ramp-down) will be executed correctly only if PU2 is
executed before.
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