Datasheet > ML22Q625

ML22Q625

更新时间： 2023-09-03 20:30:07

品牌	Logo	应用领域
罗姆 - ROHM		语音合成放大器 PC 驱动控制器微控制器存储转换器
页数	文件大小	规格书
123页	3592K
描述
ML226xx系列是内置有4Mbit～32Mbit Flash存储器的语音合成LSI。由于内置了大容量存储器，因此非常适用于语音操作指导等需要长时间播放语音的应用。此外，该系列产品还支持通过微控制器改写Flash存储器。产品采用实现高音质的HQ-ADPCM、16位D/A转换器和低通滤波器，并内置用来直接驱动扬声器的1.0W单声道扬声器放大器。语音输出所需的功能已经全部集成于1枚芯片中，因此仅需增加本LSI，即可轻松实现语音功能。

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ML22Q625 数据手册

FEDL22Q62X-06

ML22Q62X

Initial

Symbol

IOV_DD

I/O

Attribute

Description

value ^*1

Flash memory interface power supply pin.

Connect to DV_DDpin even when not using flash memory interface.

Connect a bypass capacitor between this pin and the DGND pin.

3.0V regulator outputs. Used as a power supply for flash memory.

—

Connect a capacitor between this pin and DGND pin as close as

possible.

Connect this pin to the DV_DDpin when DV_DD= 2.7 to 3.6V

Crystal or ceramic resonator connection pin.

When an external clock is used, leave it open and capacitor is not

V_DDR

XTB

Negative required when a crystal or ceramic resonator is connected.

When using a resonator, connect it as close as possible.

Leave it open when not in use.

Crystal or ceramic resonator connection pin.

A feedback resistor of about 1MΩ is built in between the XT pin and

the XTB pin.

Positive To use an external clock, input from this pin. Delete the capacitor

when a crystal or ceramic resonator is connected.

When using a resonator, connect it as close as possible.

Leave it open when not in use.

Digital power supply pin.

Connect a bypass capacitor between this pin and the DGND pin.

2.5V regulator output pin.

Used as internal power supply.

DV_DD

V_DDL

—

Connect a capacitor between this pin and DGND pin as close as

possible.

Reference voltage output pin for the built-in speaker amplifier.

Connect a capacitor between this pin and SPGND pin.

Speaker amplifier analog signal input pin.

Initially, input is disabled.

AIN

Power supply pin for speaker amplifier.

Connect a bypass capacitor between this pin and the SPGND pin.

Speaker amplifier ground pin.

Positive output pin of the speaker amplifier.

Line amplifier outputs are also available with AMODE command.

Negative output pin of the speaker amplifier.

SPV_DD

SPGND

SPP

—

SPM

Hi-Z

*1 Initial value at reset input and power-down. The pin whose IO is "I" indicates a fixed level from outside.

6/123

1...3 4 567 8 9...123

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