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steve-m, 02/19/2016 10:49 PM
add EL570 JTAG pinout
- Table of contents
- Elson Mobistel EL570
- PCB scans
- Connector pinout
- JTAG Pinout
- Bootloader
Elson Mobistel EL570¶
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/).
PCB scans¶
DBB side (facing display) | RF side (facing back of phone) | |||
Image(el570_dbb_side_small.jpg, nolink) | Image(el570_rf_side_small.jpg, nolink) | |||
large version: [raw-el570_dbb_side.jpg] | large version: [raw-el570_rf_side.jpg] |
Connector pinout¶
Image(connector_pcb.jpg) Image(el570_serial_cable.jpg, 22%)
Pin | Signal | measured voltage | description | |||||
1 | SPK_L | 800mV | left headset channel | |||||
2 | SPK_R | 170mV | right headset channel | |||||
3 | GND | 0V | ground, used by USB cable | |||||
4 | MIC | 2,800V | microphone, also used for PTT button on headset | |||||
5 | GND | 0V | ground, used by USB cable | |||||
6 | GND | 0V | ground | |||||
7 | ? | 0V | not connected to ground | |||||
8 | ? | 2,746V | unknown | |||||
9 | VBAT? | 4,030V | seems to be the battery voltage | |||||
10 | USB_DM | 0V | USB D- (white) | |||||
11 | USB_DP | 0V | USB D+ (green) | |||||
12 | UTXD1 | 2,746V | UART Tx | |||||
13 | URXD1 | 2,758V | UART Rx | |||||
14 | USB_5V | 111mV | USB charging supply | |||||
15 | USB_5V | 111mV | USB charging supply | |||||
16 | ? | 2,796V | unknown | |||||
17 | VBAT | 4,070V | battery + | |||||
18 | VBAT | 4,070V | battery + |
JTAG Pinout¶
Bootloader¶
It uses the MTKRomloader.
Updated by steve-m about 8 years ago · 7 revisions