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AU7555D
AU7555D - Brand New NXP Semiconductors Programmable Timers and Oscillators
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Overview
A highly integrated SOC for MP3/WMA player, AU7842 integrates MCU, MP3/WMA decoder, USB Host controller, SD/MMC card controller, a 16-bit audio decoder and an IR decoder in a single chip. Compared with traditional flash-MP3 player, AU7842 offers a lower cost, lower power consumption, flexible and more powerful Host MP3/WMA player solution.
Features
● Low power 0.18um CMOS technology
● Power supply 1.8V/3.3V, power consumption 110mW
● Enhanced 8051, up to 10 times faster than standard 8051
● USB2.0 full-speed host controller
● SD/MMC card controller
● Support MPEG 1/2/2.5 layer3 decoding, data rate 32kbps ~ 320kbps, including
VBR
● Support WMA format, data rate 32kbps ~ 384kbps
● Support 9 sampling frequency:
8kHz/11.025kHz/12kHz/16kHz/22.05kHz/24kHz/32kHz/44.1kHz/48kHz
● Embedded sound equalizer
● Support tag format ID3v1 and ID3v2.4
● Support FAT16/FAT32 file system
● Embedded 16-bit sigma-delta audio DAC
● Embedded headphone amplifier
● Support IR Remote control
● GPIO for various purposes
● Support in-system debug through external emulator
● In-system firmware upgrade through U-disk or SD/MMC
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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