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PDF MSM9805 Data sheet ( Hoja de datos )
| Número de pieza | MSM9805 | |
| Descripción | (MSM9802/03/05) Voice Synthesis IC with Built-in Mask ROM | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSM9805 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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E2D0018-39-93
¡¡SemicondSucetormiconductor
MSM9802/03/05-xxx
ThiMs vSeMrs9io8n0:2/S0e3p/.0159-9x9xx
Previous version: May. 1997
Voice Synthesis IC with Built-in Mask ROM
GENERAL DESCRIPTION
The MSM9802/03/05 is a PCM voice synthesis IC with built-in mask ROM.
This IC has two user selectable playback algorithms, OKI Non-linear PCM and straight PCM. It
also contains a current mode 10-bit D/A converter and a low-pass filter.
External control has been made easy by the built-in edit ROM that can form sentences by linking
phrases. By using Oki's Sound Analysis and Editing Tool, ROM data such as Phrase Control
Table can be easily set, created, edited, and evaluated.
With the stand-alone mode/microcontroller interface mode switching pin, the MSM9802/03/
05 can support various applications.
FEATURES
Device
MSM9802
MSM9803
MSM9805
ROM size*
512 Kbits
1 Mbit
2 Mbits
fSAM=4.0 kHz
16.0
32.4
65.1
Speech period (sec)
fSAM=6.4 kHz fSAM=8.0 kHz
10.0 8.0
20.2 16.2
40.7 32.5
* Actual voice ROM area is smaller by 11 Kbits.
fSAM=16.0 kHz
4.0
8.1
16.2
• ROM custom
• 8-bit OKI nonlinear PCM method/8-bit straight PCM method
• Built-in edit ROM
• Random playback function
• Sampling frequency
: 4.0 kHz/5.3 kHz/6.4 kHz/8.0 kHz/10.6 kHz/12.8 kHz/
16.0 kHz
Note: If RC oscillation is selected, 10.6 kHz, 12.8 kHz, and
16.0 kHz cannot be selected.
• Maximum number of phrases : 63 (Microcontroller interface mode)
56 (Stand-alone mode)
• Built-in current mode 10-bit D/A converter
• Built-in low-pass filter
• Standby function
• RC oscillation (256 kHz)/ceramic oscillation (4.096 MHz) selectable
• Package options:
18-pin plastic DIP (DIP18-P-300-2.54) (Product name: MSM9802-xxxRS/MSM9803-xxxRS/
MSM9805-xxxRS)
24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name: MSM9802-xxxGS-K/MSM9803-xxxGS-K/
MSM9805-xxxGS-K)
30-pin plastic SSOP (SSOP30-P-56-0.65-K) (Product name: MSM9802-xxxGS-AK/MSM9803-xxxGS-
AK/MSM9805-xxxGS-AK)
xxx indicates code number.
Chip
Note: This data sheet explains a stand-alone mode and a microcontroller interface mode,
separately.
1/51
1 page  
¡ Semiconductor
MSM9802/03/05-xxx
VDD 1
OSC1 2
OSC2 3
NC 4
NC 5
OSC3/TEST 6
NC 7
CPU/STD 8
NC 9
RND 10
NC 11
NC 12
SW0 13
SW1 14
SW2 15
30 AOUT
29 VREF
28 GND
27 NC
26 NC
25 BUSY
24 NC
23 XT/CR
22 NC
21 RESET
20 NC
19 NC
18 A2
17 A1
16 A0
NC: No connection
30-Pin Plastic SSOP
Note: Applicable to MSM9802-xxxGS-AK, MSM9803-xxxGS-AK, and MSM9805-xxxGS-AK.
5/51
5 Page 
¡ Semiconductor
MSM9802/03/05-xxx
AC Characteristics
Parameter
Symbol
Condition
(VDD=5.0 V, GND=0 V, Ta=–40 to +85°C)
Min. Typ. Max. Unit
Master Clock Duty Cycle
RESET Input Pulse Width
RESET Input Time After Power-on
RND Input Pulse Width
SW0-SW2 Input Pulse Width
BUSY Output Time
Chattering Prevention Time 1
Chattering Prevention Time 2
D/A Converter Change Time
Standby Transition Time
Silence Time Between Phrases
Random Address Fetch Time
fduty
tw(RST)
tD(RST)
tw(RAN)
tw(SW)
tSBS
tCHA
tCHB
tDAR, tDAF
tSTB
tBLN
tRA
— 40 50 60 %
— 10 — — µs
— 0 — — µs
— 100 — — µs
— (note) 16 — — ms
— — — 10 µs
— (note) 14 15 16 ms
— (note) — — 16 ms
— (note) 60 64 68 ms
— (note) 200 250 300 ms
fSAM=8 kHz (note) 350 375 500 µs
— (note) 15 16 17 µs
(Note) Proportional to master the periods of oscillation frequencies fOSC1 and fOSC2.
The rated values show values when the standard master oscillation frequency is used.
11/51
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MSM9805.PDF ] | |
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