MobistelEL570 » History » Version 8
laforge, 02/21/2016 10:29 AM
| 1 | 7 | steve-m | {{>toc}} |
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| 2 | 1 | steve-m | |
| 3 | |||
| 4 | 7 | steve-m | h1. Elson Mobistel EL570 |
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| 7 | 1 | steve-m | 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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| 10 | 7 | steve-m | h1. PCB scans |
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| 13 | 8 | laforge | | DBB side (facing display) | RF side (facing back of phone) | |
| 14 | | !el570_dbb_side_small.jpg!| !el570_rf_side_small.jpg!| |
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| 15 | | large version: el570_dbb_side.jpg | large version: el570_rf_side.jpg || |
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| 16 | 1 | steve-m | |
| 17 | |||
| 18 | 7 | steve-m | |
| 19 | 1 | steve-m | h1. Connector pinout |
| 20 | 7 | steve-m | |
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| 22 | 8 | laforge | !connector_pcb.jpg! !{width:22%}el570_serial_cable.jpg! |
| 23 | 3 | steve-m | |
| 24 | 8 | laforge | |_.Pin |_.Signal |_.measured voltage |_.description | |
| 25 | |1 | SPK_L | 800mV | left headset channel | |
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| 26 | |2 | SPK_R | 170mV | right headset channel| |
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| 27 | |3 | GND | 0V | ground, used by USB cable | |
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| 28 | |4 | MIC | 2,800V | microphone, also used for PTT button on headset | |
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| 29 | |5 | GND | 0V | ground, used by USB cable | |
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| 30 | |6 | GND | 0V | ground | |
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| 31 | |7 | ? | 0V | not connected to ground | |
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| 32 | |8 | ? | 2,746V | unknown | |
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| 33 | |9 | VBAT? | 4,030V | seems to be the battery voltage | |
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| 34 | |10 | USB_DM | 0V | USB D- (white) | |
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| 35 | |11 | USB_DP | 0V | USB D+ (green) | |
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| 36 | |12 | UTXD1 | 2,746V | UART Tx | |
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| 37 | |13 | URXD1 | 2,758V | UART Rx | |
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| 38 | |14 | USB_5V | 111mV | USB charging supply | |
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| 39 | |15 | USB_5V | 111mV | USB charging supply | |
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| 40 | |16 | ? | 2,796V | unknown | |
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| 41 | |17 | VBAT | 4,070V | battery + | |
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| 42 | |18 | VBAT | 4,070V | battery + | |
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| 43 | 2 | steve-m | |
| 44 | 1 | steve-m | |
| 45 | 7 | steve-m | |
| 46 | |||
| 47 | h1. JTAG Pinout |
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| 49 | |||
| 50 | 8 | laforge | !el570_jtag.jpg! |
| 51 | 6 | steve-m | |
| 52 | |||
| 53 | 7 | steve-m | h1. Bootloader |
| 54 | |||
| 55 | |||
| 56 | It uses the [[MTKRomloader]]. |
