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GPD2846A Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers
ETC2 [List of Unclassifed Manufacturers]
6 DACOR DACR
right channel audio output.
LineInR + L LineIn left + right input.
FMCLK if IOA3 pull-down resistor to ground, IOA3 will
output clock signal to the outside
Hanging FM radio IC. If IOA3 is vacant, FM radio IC will
Shall take their 32768Hz crystal.
Mute Mute: Mute the external amplifier
11 DM DM
USB of DM.
12 DP DP
USB of DP.
IO-key / LED (1) plug-in LED light: Output "1" represents
the lit LED.
(2) as well as IO-key1.
(3) as well as options, are used to define the key mode.
SD_CLK: clock output T card / SD card.
SD_DET: detecting whether there is an SD card is
to read "0" on behalf of insertion. Please connect a 3.3KÎ©
SD_CMD: T card / SD card command and response.
I2C_CLK: I2C the clock; the external EEPROM, and FM.
SD_DAT: data input T card / SD Card / output.
I2C_DAT: I2C of data; and external EEPROM FM.
AD-key function / operation
(5-1) AD-key a total of S1 ~ S8 total of eight buttons, including four buttons S1 ~ S4
MP3 playback mode (that is, U disk and play
Play SD card / T card) behavior by "IOA0 / LED pin whether the external pull-up
resistor" to decide.
Please V33REG pulled through the 22KÎ© resistor.
We IOA0 / LED not hang Roption called "key mode a" hang Roption called "key
[Prev]: Previous, played on an MP3.
[Next]: Next, play the next MP3.
[P / P]: Play / Pause, play and pause between each switch between the two.
[V +]: Volume +, increase the volume.
[V ++]: Volume ++, long press will continue to increase the volume until you
release the button.
[V-]: Volume-, decrease the volume.
[V--]: Volume--, long press will continue to decrease the volume until you release
[Scan]: Scan ALL FM-band, the 87.5MHz ~ 108.0MHz automatic station search
once again, and the signal of the radio channels
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