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{{InternalInfo|CN3 could be used to connect a CR2032 lithium battery, wired on a Molex Picoblade 2 circuits pitch 1.25mm type 51021-0200 (1-VBAT, 2-GND).<br/>Like Thinkpad 02K6541, 02K6572, 02K7075, 02K7087, 08K8050, 92P0986, 92P0991 models. }} | |||
Details of some LEDs: | Details of some LEDs: |
Revision as of 16:37, 17 April 2019
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1. Board overview[edit | edit source]
MB1272 motherboard STM32MP157x 12x12 with PMIC and DDR3, revision C-0.1: part of the STM32MP157x-DKx Discovery kit
Note that:
- MB1272 for STM32MP157A-DK1 Discovery kit doesn't include the "WLAN + Bluetooth" component (muRata LBEE5KL1DX)
- MB1272 for STM32MP157C-DK2 Discovery kit includes the "WLAN + Bluetooth" component (Murata LBEE5KL1DX)
- GPIO expansion
- WLAN + Bluetooth (muRata LBEE5KL1DX): only for STM32MP157C-DK2 Discovery kit
- Backup battery connector
- DSI LCD connector
- PMIC (STPMIC1A)
- DDR3L 16 bits
- USB type A LED (red LD1)
- 4 x USB type A (host)
- USB type C (power 5V-3A)
- Power LED (green LD2)
- STM32MP157x 12x12
- HDMI
- USB type C (DRP)
- Ethernet
- Ethernet LED (green LD3)
- Wakeup button
- Audio codec headset
- Audio codec (Cirrus CS42L51)
- Reset button
- User LED (green LD5)
- User button (USER1)
- User LED (red LD6)
- User button (USER2)
- User LED (orange LD7)
- User LED (blue LD8)
- USB micro-B (ST-LINK/V2-1)
- ST-LINK/V2-1 LED (bicolor LD4)
- ST-LINK/V2-1 DFU
- HDMI connector
Details of some LEDs:
- LD1: red if USB type A connection established
- LD2: green if power connection established
- LD3: green flashing the Ethernet connection established
- LD4: red flashing if ST-LINK/V2-1 connection not established, else green
- LD5, LD6, LD7, LD8: some user LEDs are used to reflect the system activity, whereas the others are left free and can be directly used by the application, as explained in the LEDs and buttons on STM32 MPU boards article