WT588F02B-8S

Overview

The WT588F02B-8S is a 16-bit DSP voice chip featuring a 32MHz internal oscillator and 16-bit PWM decoding. It provides 220KB of storage, supporting up to 170 seconds of high-quality audio or 320 seconds at lower quality. The device supports online voice updates via a dedicated downloader and offers flexible control through one-line or two-line serial ports. Audio output includes 16-bit PWM for direct speaker driving and 14-bit DAC for external amplification. It accommodates WAV files from 6KHz to 32KHz and supports MIDI playback.

Feature Summary

• Online Voice Updating: Supports replacing internal voice content via an online downloader without hardware replacement.
• Dual Control Interfaces: Features one-line and two-line serial port communication for MCU integration.
• Flexible Audio Output: Includes 16-bit PWM output for direct 8Ω/0.5W speaker drive and 14-bit DAC output.
• Reprogrammable Storage: Contains 220KB of flash memory that can be repeatedly erased and written.

Applications

• Devices requiring frequent voice content changes
• Outdoor equipment needing remote voice updates
• Smart home appliances with interactive prompts

Procurement Notes

Verify the specific bin file configuration required for your application, as control modes and output settings are defined by the software file. Contact the manufacturer if low standby power consumption is a critical requirement, as standard configurations may differ. Ensure the ordering suffix matches the desired package type and functional parameters.

Selection Notes

Select this chip for applications needing reprogrammable voice storage and multiple control interfaces. The 16-bit DSP architecture ensures high audio fidelity. Consider the 200ms power-on initialization time when designing system startup sequences. Verify compatibility with the online downloader tool for future firmware updates.

Part Context

This component belongs to the WT588F series of voice chips developed by Shenzhen Waytronic Electronics Co., Ltd. It represents an upgrade over traditional OTP chips by enabling online voice replacement. The '8S' suffix typically denotes the SOP-8 package variant within this product line.

Replacement Considerations

Direct pin-to-pin replacements are not explicitly listed in the provided documentation. Engineers should evaluate other WT588F series variants based on storage capacity and interface requirements, ensuring software compatibility with the new part's command set.

FAQ

How many voice segments can the WT588F02B-8S store?

The chip supports up to 224 segment addresses, which can be expanded further depending on specific requirements.

What is the power supply voltage range for this chip?

The operating voltage range is DC 2.0V to 5.5V.

Can the chip play audio continuously without interruption?

Yes, it supports seamless loop playback commands (F1H) and code-linking playback (F3H) for continuous or sequential audio sequences.