GPD2856A - MP3 player

Generalplus

General Description

3.3V。 , 3.3V~5V。。。 , 1uF 。。 LineIn +。。 IOA3 ，IOA3 FM IC。 IOA3 ，FM IC 32768Hz 。 Mute：。 USB DM。 USB DP。 (1) LED ：”1” LED。 (2) IO-key1。 (3) , 。 SD_CLK：T /SD clock 。 SD_DET： SD ，「0」。 3.3KΩ。 SD_CMD：T /SD command response。 I2C_CLK：I2C clock; EEPROM FM。 SD_DAT：T /SD data input/outp

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GPD2856A mp3 player by Generalplus - Datasheet Preview

Datasheet Details

Part number	GPD2856A
Manufacturer	Generalplus
File Size	934.55 KB
Description	MP3 player
Datasheet	GPD2856A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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GPD2856A Preliminary Version 0.2 2013 09 23 1 / 14 1. GPD2856A FM LineIn MP3 。 2. MP3 。 T /SD 、U 、FM、(LineIn)，， Mode 。， IO (Mute)，。、、… T /SD 、U ， EEPROM EEPROM EEPROM T /SD 、U ，。 1 AD-key 。 AD-key 。 3 FM : RDA5807, BK1080 RTC6207E。。 USB device 。 USB audio 。：SOP16 。 3. FM MP3 ，。 2 / 14 4. Pin # Pin Name 1 V33REG DVDD33 2 V50REG VMCU/BAT 3 VSSREG DVSS 4 DACOL DACL 5 VCOM Vref 6 DACOR DACR 7 LINEIN_R LineInR+L 8 IOA4 AD-key 9 IOA3 FMCLK 10 IOA2 11 DM 12 DP 13 IOA0 Mute DM DP IO-key/LED 14 IOB1 15 IOB0 16 IOB2 SD_CLK SD_DET SD_CMD I2C_CLK SD_DAT I2C_DAT Description 3.3V。 , 3.