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UM2179 Datasheet(PDF) 29 Page - STMicroelectronics

Part # UM2179
Description  STM32 Arm®-based microcontroller in LQFP144 package
PDF  48 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM2179 Datasheet(HTML) 29 Page - STMicroelectronics

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UM2179 Rev 9
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UM2179
Hardware layout and configuration
47
SB124, SB123
(LD1-LED)
ON, OFF Green user LED LD1 is connected to PC7.
OFF,ON
Green user LED LD1 is connected to D13 of ARDUINO® signal
(PA5).
OFF, OFF Green user LED LD1 is not connected.
ON,ON
Forbidden.
SB172 (Legacy)
SB173 (SMPS) (LD2-
LED)
ON
Blue user LED LD2 is connected to PB7.
OFF
Blue user LED LD2 is not connected.
SB132 (LD3-LED)
ON
Red user LED LD3 is connected to PB14.
OFF
Red user LED LD3 is not connected.
SB145,146
(X2 crystal)
OFF
PC14, PC15 are not connected to ST morpho connector CN11.
(X2 used to generate 32 kHz clock).
ON
PC14, PC15 are connected to ST morpho connector CN11.
(R39 and R40 must be removed).
SB147 (PH0), SB156
(PH1) (Main clock)
ON, ON
PH0 and PH1 are connected to ST morpho connector CN11.
(SB12, SB13 and SB148 must be removed).
OFF, ON
PH0 is not connected to ST morpho
PH1 is connected to ST morpho connector CN11 (MCO is used
as main clock for STM32 on PH0).
OFF, OFF
PH0, PH1 are not connected to ST morpho connector CN11
(X3, C37, C38, SB12 and SB13 provide a clock. In this case
SB148 must be removed).
SB109, SB148 (MCO)
OFF
MCO of ST-LINK (STM32F103CBT6) is not connected to PH0
of STM32.
ON
MCO of ST-LINK (STM32F103CBT6) is connected to PH0 of
STM32.
SB12, SB13 (external
8M crystal)
OFF
PH0 and PH1 are not connected to external 8 MHz crystal X3.
ON
PH0 and PH1 are connected to external 8 MHz crystal X3.
SB154 (VBAT)
ON
VBAT pin of STM32 is connected to VDD.
OFF
VBAT pin of STM32 is not connected to VDD.
SB197, SB178
(B1-USER)
ON, OFF B1 push-button is connected to PC13.
OFF, ON
B1 push-button is connected to PA0 (Set SB179 OFF if ST Zio
connector is used).
OFF,
OFF
B1 push-button is not connected.
SB179 (PA0)
ON
PA0 is connected to ST Zio connector (Pin 29 of CN10).
OFF
PA0 is not connected to ST Zio connector (Pin 29 of CN10).
SB151,SB153
OFF
Default setting.
ON
Forbidden.
Table 10. Configuration of the solder bridges and jumpers (continued)
Bridge/jumper
State(1)
Description



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