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Product Details
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[ Actions Semiconductor Co., Ltd. ]
Introduction
Overview
ATJ331X is a third generation single-chip highly integrated digital music system solution for devices dedicating to audio players etc. It includes an audio decoder with embedded RAM and ROM, ADPCM record capabilities and USB interface for downloading music and uploading voice recordings. It also provides an interface to SPDIF, flash memory, LED/LCD, button and switch inputs, headphones, microphone and FM radio input and control. The chip supports WMA and other digital audio standards. For devices like USB-Disk, it can act as a USB mass storage slave device to personal computer system. In addition, its low power consumption leads to long battery life and an efficient and flexible on-chip DC-DC converter allowing many different battery configurations, including 1xAA, 1xAAA and Li-on. The built-in Sigma-Delta D/A includes a headphone driver to directly drive low impedance headphones. The A/D includes inputs for both Microphone and Analog Audio in to support voice recording and FM radio integration features. Thus, it provides a true ’ALL-IN- ONE’ solution that is ideally suited for highly optimized digital audio players.Features
● Support WMA Decoder, bit rate 32-384Kbps, 8-48KHz;
● Digital Voice Recording (ADPCM);
● On-chip Multi-use RAM ((22K+3256)8bit) and PCM RAM (8K8bit) that can be
switched to be MCU memory space or DSP memory;
● Integrated MCU with DSU, the instruction set is compatible with Z80;
● Internal ZRAM1 ((16K-64)8),ZRAM2((6K+256)8) ,ZRAM3(14K8) accessed by MCU;
● Internal 17Kx8 BROM build in Boot up and USB Upgrade firmware;
● Internal SRAM access time<7ns, MROM access time<16ns;
● External up to 4 (pcs) x 32M~4G bytes Nand type Flash accessed by MCU or DMA;
● External Smart Media Card;
● Support following memory card interface:
Multi Media Card Specification Version 4.2 (1/4/8 bit mode)
Secure Digital Card Specification Version 2.0 (1/4-bit mode)
Memory Stick Version 1.43 (1/4-bit mode)
Memory Stick Pro Version 1.02 (1/4-bit mode)
Memory Stick Pro-HG Version 1.01 (1/4/8-bit mode);
● Support 24MHz OSC with on-chip PLL for MCU and about 32KHz RC oscillator;
● 2-channel DMA,1-channel CTC and interrupt controller for MCU;
● Energy saving with dynamic power management, supporting 1 cell, 2 cell and Li-on;
● Support USB2.0 Compliance PHY+SIE,RD/WR:6MB/5MB (NAND Flash Base);
● Build in Stereo 16-bit Sigma-Delta D/A;
● Enough GPIOs for all applications;
● Support I2C/SPI/UART/IR/SPDIF interface;
● Support external 8080 Series LCM driver interface;
● Support FM Radio input and 40-level volume control;
● Support Stereo 16-bit Sigma-Delta A/D for Microphone/FM Input, sample rate at 8/12/16/22/24/32/48KHz;
● MCU running at 48MHz (typ), F/W can program from DC up to 48MHz transparently;
● D/A+PA SNR: without A weight>91dB;
● A/D SNR >90dB, support difference/2-channle microphone;
● Headphone driver output 2x20Mw @16ohm;
● Standby Leakage Current: <50uA (whole system);
● Low Power Consumption: < [email protected] at typical audio decoder solution;
● Package at LQFP-64 (7x7mm) -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 06:19 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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