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UM2179 Datasheet(PDF) 42 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) 42 Page - STMicroelectronics

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Hardware layout and configuration
UM2179
42/48
UM2179 Rev 9
5.17
Bootloader limitation
5.17.1
Bootloader operation
Boot from system Flash memory runs bootloader code stored in the system Flash memory
protected against writing and erasing. This allows in-system programming (ISP) with
flashing of the STM32 user Flash memory. It also allows writing data into the RAM. The data
is written via the USART, SPI, I2C, USB or CAN communication interface.
31
PH1
32
PA4
31
PB3
32
AGND
33
VBAT
34
PB0
33
PA10
34
PC4
35
PC2
36
PC1
35
PA2
36
PF5
37
PC3
38
PC0
37
PA3
38
PF4
39
PD4
40
PD3
39
GND
40
PE8
41
PD5
42
PG2
41
PD13
42
PF10
43
PD6
44
PG3
43
PD12
44
PE7
45
PD7
46
PE2
45
PD11
46
PD14
47
PE3
48
PE4
47
PE10
48
PD15
49
GND
50
PE5
49
PE12
50
PF14
51
PF1
52
PF2
51
PE14
52
PE9
53
PF0
54
PF8
53
PE15
54
GND
55
PD1
56
PF9
55
PE13
56
PE11
57
PD0
58
PG1
57
PF13
58
PF3
59
PG0
60
GND
59
PF12
60
PF15
61
PE1
62
PE6
61
PG14
62
PF11
63
PG9
64
PG15(5)
63
GND
64
PE0
65
PG12
66
PG10
65
PD10
66
PG8
67
-
68PG1367
PG7
68
PG5
69
PD9
70
PG11
69
PG4
70
PG6
1. Default state of BOOT0 is 0. It can be set to 1 when a jumper is plugged on the pins 5-7 of CN11.
2.
VREF+ is not connected to CN12 by default.
3. U5V is the +5V power signal, coming from the ST-LINK/V2-1 USB connector. It rises before the +5V signal
of the board.
4. PA13 and PA14 are shared with SWD signals connected to ST-LINK/V2-1. If ST-LINK part is not cut, it is
not recommended to use them as I/O pins.
5. PB11 and PG15 are not available on the ‘-P’ suffixed boards.
Table 12. ST morpho connector pin assignments (continued)
CN11 odd pins
CN11 even pins
CN12 odd pins
CN12 even pins
Pin
Pin name
Pin
Pin name
Pin
Pin name
Pin
Pin name



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