MobistelEL570 » History » Version 3
steve-m, 02/19/2016 10:48 PM
add pictures of connector
1 | 1 | steve-m | [[PageOutline]] |
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2 | |||
3 | = Elson Mobistel EL570 = |
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4 | |||
5 | The Elson Mobistel EL570 is a Mediatek MT6227 based phone with touchscreen, mostly sold in Germany. It seems to be directly imported from China, and badged by Elson (http://www.elson.de/). |
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6 | 2 | steve-m | |
7 | = Connector pinout = |
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8 | |||
9 | 3 | steve-m | [[Image(connector_pcb.jpg)]] [[Image(el570_serial_cable.jpg, 22%)]] |
10 | |||
11 | 2 | steve-m | ||Pin || Signal || measured voltage || description || |
12 | ||1 || SPK_L || 800mV || left headset channel || |
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13 | ||2 || SPK_R || 170mV || right headset channel|| |
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14 | ||3 || GND || 0V || ground, used by USB cable || |
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15 | ||4 || MIC || 2,800V || microphone, also used for PTT button on headset || |
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16 | ||5 || GND || 0V || ground, used by USB cable || |
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17 | ||6 || GND || 0V || ground || |
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18 | ||7 || ? || 0V || not connected to ground || |
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19 | ||8 || ? || 2,746V || unknown || |
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20 | ||9 || VBAT? || 4,030V || seems to be the battery voltage || |
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21 | ||10 || USB_DM || 0V || USB D- (white) || |
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22 | ||11 || USB_DP || 0V || USB D+ (green) || |
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23 | ||12 || UTXD1 || 2,746V || UART Tx || |
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24 | ||13 || URXD1 || 2,758V || UART Rx || |
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25 | ||14 || USB_5V || 111mV || USB charging supply || |
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26 | ||15 || USB_5V || 111mV || USB charging supply || |
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27 | ||16 || ? || 2,796V || unknown || |
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28 | ||17 || VBAT || 4,070V || battery + || |
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29 | ||18 || VBAT || 4,070V || battery + || |