互億科技
Billionton Systems Inc.
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產品規格書
PROJECT: CarMP3Q DATE: 2005/12/14
Version: 0.2 PAGE:1
1.Introduction
The CARMP3Q uses the SD memory card interface and USB interface with MP3 decode and LCD dispaly for
this product. That is application single-chip solution for an MPEG layer 3 audio decodes. User can store the mp3 file
in the USB flash disk with SD memory card. When the SD/MMC or USB flash disk plug in slot that can auto play.
There are five EQ mode and repeat mode preset. When CARMP3Q read the mp3 file from USB flash disk or SD
memory card, it can transmit audio signal to the FM stereo transmitter that consists of a stereo modulator for
generating stereo composite signals and a FM transmitter for broadcasting a FM signal on the air.
2.Features
USB 1.1 Host compling with USB storage class spec.ver.1.0.
Supports the SD/MMC card.
Search for whole disk (MP3 File)
Input button for Play (Pause), Previous, Next, Function, Volume + and Volume – .
Supporting sampling frequency 48, 44.1, 32, 24, 22.05, 16 KHz.
Accepts data rate from 32Kbps up to 320Kbps, including VBR
Supports VBR (variable bit rate) for MP3.
Supports repeat song: one song repeat, all, random.
Supports 5 EQ mode: Jazz, Rock, Bass, Normal and Class.
Supports any key turn on back light function.
3.Specification
Antenna: Built-in.
Resume-like function: start from the same song, which played before power-off.
Power: DC12V using Cigarette Jack.
Audio Output: FM Output
Line in: Audio input.
Play Button: Play (or Pause) MP3 music.
Next Button: Play next song.
Previous Button: Play Previous song.
Volume + Button: Volume increase.
Volume – Button: Volume reduces.
Function Button: (a) Change repeat function, (b) EQ mode, (c) transmitter frequencies.
Supports 12transmitter frequencies: 88.1, 88.3, 88.5, 88.7, 88.9, 106.7, 106.9, 107.1, 107.3, 107.5, 107.7, and
107.9.
4.Mechanical
Dimension: 155mm/39mm/26mm (L x W x H).
5.Certification
6.Environmental Operating Ranges
Operation Temperature Range : 0°~ 55°Celsius .
7.Power Consumption
Use USB devices: 117 mA
Use SD Card: 84 mA
CarMP3Q idle: 58 mA
8.LED Indication
LED indicator to show access status
Light Flashing: playing CarMP3Q
Light always bright: Pause CarMP3Q
9.Drivers support