ml22460mb Oki Semiconductor, ml22460mb Datasheet
![no-image](/images/no-image-200.jpg)
ml22460mb
Related parts for ml22460mb
ml22460mb Summary of contents
Page 1
... ML22420MB/ML22460MB Speech Synthesis LSI with Serial ROM Interface Including 4-Channel Mixing Function GENERAL DESCRIPTION ML22420 and ML22460 are voice synthesis LSIs with serial interface to the external ROM that stores voice data. These LSIs include edit ROM, ADPCM2 decoder, 16-bit DA converter, low pass filter and monaural speaker amplifier ...
Page 2
... Serial ← ← 256 1024 4.0/ 5.3/ 6.4/ 4.0/5.3/6.4/8.0/10.6/ 8.0/ 10.7/ 12.8/ 12.0/12.8/16.0/21.3/ 16.0 24.0/25.6/32.0/48.0 ← ← ← 16 bits ← FIR interpolation filter Built-in 0.7W N.A. (8Ω ← ← ← 4-channels 29 levels 32 levels 1024 ms ← step) ← ← ← ← ← ← 80-pins TQFP 30-pins SSOP FEDL22420DIGEST-04 ML22420MB/ ML22460MB = 5 V) 2/21 ...
Page 3
... DV DD Address Controller DGND V DDL Phrase Address Latch CSB SCK I Interface CBUSYB DIPH TESTI RESETB TESTO ( (ML22460MB : I2C interface Address Controller DGND V DDL Phrase Address Latch SAD2 SAD1 I/O SAD0 SCL Interface SDA CBUSYB TESTI RESETB TESTO ( ...
Page 4
... PIN CONFIGURATIONS (TOP VIEW) (ML22420MB : Synchronous serial interface) TESTI RESETB TESTO0 DIPH TESTO1 TESTO2 DGND CSB SCK CBUSYB DGND (ML22460MB : I2C interface) TESTI RESETB TESTO0 SAD0 TESTO1 TESTO2 DGND SAD1 SCL SDA SAD2 CBUSYB DGND AIN ...
Page 5
... Connect a bypass capacitor of 0.1μF or more between this pin and SPGND pin. Ground pin for the speaker amplifier. Positive(+) output pin of the speaker amplifier built-in. Serves as the LINE output (*3), if built-in speaker amplifier is not used. Negative(-) output pin of the speaker amplifier built-in. FEDL22420DIGEST-04 ML22420MB/ ML22460MB Input “L” level when 5/21 ...
Page 6
... This pin should be connected to pull-up resistor. Input/output pin for I2C serial data. Use for setting the mode of write/read and writing address, writing data or reading data. This pin should be connected to pull-up resistor. (N-ch MOS) open drain, when output mode. High impedance(Hi-Z), when input mode. FEDL22420DIGEST-04 ML22420MB/ ML22460MB 6/21 ...
Page 7
... SPM, SPP and V pins. DDL Applies to SPM and SPP pins. Applies to V pin. DDL — Condition , DD — DD — — — FEDL22420DIGEST-04 ML22420MB/ ML22460MB (DGND = SPGND = 25°C) Rating Unit −0.3 to +7.0 V −0 +0 938 300 −55 to +150 ° ...
Page 8
... V = GND — − GND 4.096 MHz OSC — No output load Ta = −40 to +40°C — −40 to +85°C — FEDL22420DIGEST-04 ML22420MB/ ML22460MB Typ. Max. — — 0.14×DV DD −0.4 — — −0.4 — — — 0.4 — 0.4 — 0.4 — ...
Page 9
... GND IL −400 V = GND — − GND 4.096 MHz OSC — No output load Ta = −20 to +40°C — −20 to +85°C — FEDL22420DIGEST-04 ML22420MB/ ML22460MB Typ. Max. Unit — — 0.2× — — V — — V — 0.4 V — 0.4 V — ...
Page 10
... DDL During power down 57 ⎯ 8 SPV = 5.0V 1kHz 8Ω, THD≥10% 500 SPO Ta=25°C SPIN–SPM gain = 0dB −50 With a load of 8Ω FEDL22420DIGEST-04 ML22420MB/ ML22460MB Typ. Max. Unit 20 25 kΩ ⎯ ×2/3 DV Vp-p DD ⎯ ⎯ kΩ ⎯ ×5 ...
Page 11
... When DIPH pin is “L” level CSB SCK D7 SI MSB ( D7 SO • When DIPH pin is “H” level CSB SCK D7 SI MSB ( LSB ) ( LSB ) ( FEDL22420DIGEST-04 ML22420MB/ ML22460MB ) 11/21 ...
Page 12
... The BUSYB output is “L” level when a command is being processed or the playback of a particular channel is going on. In other states, the BUSYB output is “H” level. The NCR output is “L” level when a command is being processed or particular channel is in standby for playback. In other states, the NCR output is “H” level. FEDL22420DIGEST-04 ML22420MB/ ML22460MB 12/21 ...
Page 13
... Slave Address 1st Command Data 2nd Command Data D6D5 Read Data Read Data FEDL22420DIGEST-04 ML22420MB/ ML22460MB 13/21 ...
Page 14
... In other states, the BUSYB signal is “H” level. The NCR signal is “L” level when either a command is being processed or a particular channel is in standby for playback. In other states, the NCR signal is “H” level. Lower 4 bits 0101 0101 0101 0101 0101 0101 0101 0101 FEDL22420DIGEST-04 ML22420MB/ ML22460MB 14/21 ...
Page 15
... AV4 AV3 AV2 AV1 AV0 FEDL22420DIGEST-04 ML22420MB/ ML22460MB Description Power-up command. shift from the power down state to the command waiting state Power-down command. shift from the command waiting state to the power down state Status read command. Read the command status of each channel ...
Page 16
... Waveform including high PCM frequency signals 8-bit straight PCM (sound effect, etc.) 16-bit straight PCM ML22420MB/ ML22460MB Feature Up version of OKI’s specific voice synthesis algorithm (:OKI 4-bit ADPCM). Voice quality is improved. Algorithm which plays back mid-range of waveform as 10-bit equivalent voice quality. ...
Page 17
... Example) In the case that the sampling frequency is 16 kHz, algorithm is 4-bit ADPCM2 and ROM capacity is 16 Mbits, the playback time is approx. 261 seconds, as shown below. (16,000 x 1.024 – 64) x 1.024 Playback time = 16 × 4 Voice area ≅ 261 [sec] FEDL22420DIGEST-04 ML22420MB/ ML22460MB 17/21 ...
Page 18
... Adjust the volume of each channel using the CVOL command, if the waveform clamp is increased by channel mixing. There is no limit to set the number of times of continuous playback. It depends on the memory capacity only. 20ms to 1,024 Silence Address control area Editing area FEDL22420DIGEST-04 ML22420MB/ ML22460MB 18/21 ...
Page 19
... SPM SPP SG TESTI AIN V DDL 33pF DV XT SPV 4.096MHz XTB DGND 33pF SPGND Ext. ROM CSB SCK SI SO speaker 0.1μF 0.1μF 10µ 0.1 µF Vdd Ext. ROM CSB SCK SI SO Speaker 0.1μF 0.1μF 10µ 0.1 µF 0.1 µF Vdd FEDL22420DIGEST-04 ML22420MB/ ML22460MB 19/21 ...
Page 20
... The surface mount type packages are very susceptible to heat in reflow mounting and humidity absorbed in storage. Therefore, before you perform reflow mounting, contact OKI’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). FEDL22420DIGEST-04 ML22420MB/ ML22460MB (Unit: mm) 20/21 ...
Page 21
... The purchaser assumes the responsibility of determining the legality of export of these products and will take appropriate and necessary steps at their own expense for these part of the contents contained herein may be reprinted or reproduced without our prior permission. FEDL22420DIGEST-04 ML22420MB/ ML22460MB Copyright 2009 OKI SEMICONDUCTOR CO., LTD. 21/21 ...