■ Feature

● Sound data

Speech synthesis algorithm: The algorithm can be specified for each phrase. HQ-ADPCM/4bit ADPCM2/8bit non-linear PCM / 8bit Straight PCM/16bit Straight PCM

Sampling frequency: The sampling frequency can be specified for each phrase. 10.7/21.3kHz, 6.4/12.8/25.6kHz, 8.0/16.0/32.0kHz, 11.025/22.05/44.1kHz, 12.0/24.0/48.0kHz

Maximum number of phrases: 4096 Phrases

● Edit ROM function

● Playback function

Repeat function: LOOP command

Mixing-function: Up to 4-channel

Volume adjustment function: CVOL command 128 levels (including off-state) AVOL command 16 levels (including off-state)

● Low-pass filter

● 16-bit D/A converter

● Speaker amplifier: Class AB/D 1. 0W 8Ω (SPVDD =5V, Ta=25 OC)

● Line amplifier output: 10kΩ driving (Exclusive operation from speaker amplifier output)

● External analog sound input (at the time Class AB speaker amplifier choice, with analog mixing function)

● MCU command interface: Clock Synchronous Serial Interface

● Failure detection function

Speaker short detection: Speaker pin ground fault detection, speaker pin short detection

Speaker disconnection detection

Thermal detection

Clock error detection

Flash memory error detection

● Clock backup function

● Master clock frequency: 4.096MHz, 4.000MHz

● Power-supply voltage 2.7V to 5.5V DVDD，SPVDD and IOVDD can be set independently. (SPVDD≥DVDD)

● Operating temperature range: -40 ℃ to +70 ℃

● Package: 32-pin TQFP (7mm x 7mm, 0.8mm pitch)

● Ordered Part Name: ML22Q62X-NNNTB，ML22Q62X-xxxTB (32-pin TQFP)