MobistelEL570 » History » Version 7
steve-m, 02/19/2016 10:49 PM
add EL570 JTAG pinout
| 1 | 7 | steve-m | {{>toc}} |
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| 2 | 1 | steve-m | |
| 3 | |||
| 4 | 7 | steve-m | h1. Elson Mobistel EL570 |
| 5 | |||
| 6 | |||
| 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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| 9 | |||
| 10 | 7 | steve-m | h1. PCB scans |
| 11 | |||
| 12 | |||
| 13 | 4 | steve-m | || DBB side (facing display) || RF side (facing back of phone) || |
| 14 | 1 | steve-m | || [[Image(el570_dbb_side_small.jpg, nolink)]]|| [[Image(el570_rf_side_small.jpg, nolink)]]|| |
| 15 | || large version: [raw-attachment:el570_dbb_side.jpg] || large version: [raw-attachment:el570_rf_side.jpg] || |
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| 16 | |||
| 17 | |||
| 18 | |||
| 19 | 7 | steve-m | |
| 20 | |||
| 21 | h1. Connector pinout |
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| 22 | |||
| 23 | |||
| 24 | 3 | steve-m | [[Image(connector_pcb.jpg)]] [[Image(el570_serial_cable.jpg, 22%)]] |
| 25 | |||
| 26 | 2 | steve-m | ||Pin || Signal || measured voltage || description || |
| 27 | ||1 || SPK_L || 800mV || left headset channel || |
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| 28 | ||2 || SPK_R || 170mV || right headset channel|| |
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| 29 | ||3 || GND || 0V || ground, used by USB cable || |
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| 30 | ||4 || MIC || 2,800V || microphone, also used for PTT button on headset || |
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| 31 | ||5 || GND || 0V || ground, used by USB cable || |
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| 32 | ||6 || GND || 0V || ground || |
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| 33 | ||7 || ? || 0V || not connected to ground || |
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| 34 | ||8 || ? || 2,746V || unknown || |
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| 35 | ||9 || VBAT? || 4,030V || seems to be the battery voltage || |
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| 36 | ||10 || USB_DM || 0V || USB D- (white) || |
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| 37 | ||11 || USB_DP || 0V || USB D+ (green) || |
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| 38 | ||12 || UTXD1 || 2,746V || UART Tx || |
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| 39 | ||13 || URXD1 || 2,758V || UART Rx || |
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| 40 | 1 | steve-m | ||14 || USB_5V || 111mV || USB charging supply || |
| 41 | ||15 || USB_5V || 111mV || USB charging supply || |
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| 42 | ||16 || ? || 2,796V || unknown || |
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| 43 | ||17 || VBAT || 4,070V || battery + || |
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| 44 | ||18 || VBAT || 4,070V || battery + || |
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| 45 | 2 | steve-m | |
| 46 | 1 | steve-m | |
| 47 | 7 | steve-m | |
| 48 | |||
| 49 | h1. JTAG Pinout |
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| 50 | |||
| 51 | |||
| 52 | 6 | steve-m | [[Image(el570_jtag.jpg)]] |
| 53 | |||
| 54 | |||
| 55 | 7 | steve-m | h1. Bootloader |
| 56 | |||
| 57 | |||
| 58 | It uses the [[MTKRomloader]]. |
