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參數(shù)資料
| 型號(hào)： | ML2215 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Speech Synthesiser with 3.0MBit ROM & Melody Circuit(帶3.0兆位ROM和音樂(lè)電路的語(yǔ)音合成器) |
| 中文描述： | 語(yǔ)音合成器與3.0MBit光盤(pán) |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 118K |
| 代理商： | ML2215 |
Semiconductor
ML2215
Speech Synthesiser with 3.0MBit ROM & Melody Circuit
Version 1.00, October 1998
GENERAL DESCRIPTION
The ML2215 combines a Mask-ROM speech synthesiser with a melody circuit and comes
with a simple serial interface to an microcontroller. It has an analog outputs for an amplifier
(speech playback) and a built-in driver for a piezo-electric speaker (melody playback). ML2215
is primarily designed for application in portable cellular phones.
ML2215 will come in a very small, 10.0 x 5.0mm sized 20-pin SSOP package (0.95mm pitch) housing 3MBit mask
ROM for speech and melody data. Selectable algorithms include 4-Bit OkiADPCM and linear and non-linear 8-Bit
OkiPCM (the latter achieves quality equivalent to 10-Bit linear PCM). In ADPCM mode and 4kHz sampling pro-
vided (from 4 to 16kHz selectable), the device outputs 90 seconds speech plus melodies. For both, 247 channels can
be defined. ML2215 comes in an ultra-small package, operates over a wide supply range from +2.2 ~ 5.5V and
satisfies the industrial temperature range.
FEATURES
Internal 3.0MBit ROM
4-Bit OkiADPCM algorithm
8-Bit linear OkiPCM, 8-Bit Oki non-linear PCM
Sampling frequencies:
4.0, 5.3, 6.4, 8.0, 10.7, 12.8, 16.0kHz
Playback time :
180 sec @ 4KHz, 120 sec @6.4kHz
12-bit D to A converter built-in
Single tone output Melody circuit
- musical scale: 31, note & rest: 63, tempo: 30
- built-in piezo speaker driver
Preliminary
Specification are subject to change without notice.
Low-pass filter built-in
Speech and melody phrases: 247
Master clock: 4.096, 8.192, or 16.384MHz
(by means of mask option)
Power supply voltage: +2.2 ~ 5.5V
Operating temperature -40 to +85
°
C
20-pin SSOP (SSOP20-P-250-0.95-K),
10.0(W) x 5.0(L)mm
Product name ML2215MB
Typical application is for cellular phones
TYPICAL APPLICATION DIAGRAM
PIN ASSIGNMENT
Host
MCU
+3.3V
AOUT
MD
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P1.8
ML2215
VDD
100nF
RESET
SI
SD
CLK
NAR
CS
VREF
BUSY
GND
VDD
100nF
VSS
MSC1157
Piezo
NC
NAR
BUSY
MD
NC
NC
VREF
GND
AOUT
NC
NC
SD
SI
RESET
NC
NC
NC
CS
CLK
VDD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
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| ML2215-XXXMA | 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Speech Synthesizer plus Music LSI with On-Chip 3 Mbit Mask ROM |
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| ML-222 | 制造商:GC Electronics 功能描述: |
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