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Figure 16. MCU
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
C.2(PCB.SCH)
Date:
1/16/2017
C22
20pF
C21
20pF
R30
220
4
1
3
2
X2
MC306-G-06Q-32.768 (manufacturer JFVNY)
C16
6.8pF
C17
6.8pF
MB963
3
6
STM32L152C-DISCO - MCU
PB5
PB6
PB7
PA4
PA5
PA6
PA7
R27
10K
VDD
PA11
PA12
PA9
PA10
PC10
PC11
PB12
PB13
PB14
PB15
PB10
PB11
PC12
PB8
PC5
PA0
PB9
PC13
PC6
PC7
PC8
PC9
R28
0
PA1
PC1
PC2
PC3
PD2
PB1
PB2
PA15
PB3
PB0
PC4
PA3
PA13
PA14
PB4
PC0
PA2
PA8
BOOT0
PC14
PC15
PH0-OSC_IN
PH1-OSC_OUT
PA13
PA14
PA15
PA12
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
NRST
PB12
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB13
PB14
PB15
R26
510
PC3
PC15
PC14
PC13
PC12
PC11
PC10
PC9
PC8
PC7
PC6
PC5
PC4
PC2
PC1
PC0
PD2
BOOT0
PH1
PH0
LD3
Green
PB7
R39
330
LD4
Blue
PB6
R40
660
Must be close to the Crystal
Must be close to the Crystal
R32
10K
VDD
PB2
BOOT1
BOOT0
SB19
SB3
SB20
SB18
SB15
SB16
C18
100nF
C23
100nF
C20
100nF
C25
100nF
C19
1uF
R31
510
R29
0
NRST
C24
100nF
MCO
MCO
SB17
1
2
X3
8MHz
Not Fitted
L1
fc
m
16
08-
0603
C26
1uF
VDD_MCU
PH0-OSC_IN
5
PH1-OSC_OUT
6
NRST
7
PA0/WKUP1/USART2_CTS/ADC_IN0/TIM2_CH1_ETR/COMP1_INP
14
PA1/USART2_RTS/ADC_IN1/TIM2_CH2/LCD_SEG0/COMP1_INP
15
PA2/USART2_TX/ADC_IN2/TIM2_CH3/TIM9_CH1/LCD_SEG1/COMP1_INP
16
PA3/USART2_RX/ADC_IN3/TIM2_CH4/TIM9_CH2/LCD_SEG2/COMP1_INP
17
PA4/SPI1_NSS/USART2_CK/ADC_IN4/DAC_OUT1/COMP1_INP
20
PA5/SPI1_SCK/ADC_IN5/DAC_OUT2/TIM2_CH1_ETR/COMP1_INP
21
PA6/SPI1_MISO/ADC_IN6/TIM3_CH1/TIM1_BKIN/LCD_SEG3/TIM10_CH1/COMP1_INP
22
PA7/SPI1_MOSI/ADC_IN7/TIM3_CH2/TIM1_CH1N/LCD_SEG4/TIM11_CH1/COMP1_INP
23
PB0/ADC_IN8/TIM3_CH3/LCD_SEG5/COMP1_INP/VREF_OUT
26
PB1/ADC_IN9/TIM3_CH4/LCD_SEG6/COMP1_INP/VREF_OUT
27
PB2/BOOT1
28
PB10/I2C2_SCL/USART3_TX/TIM2_CH3/LCD_SEG10
29
PB11/I2C2_SDA/USART3_RX/TIM2_CH4/LCD_SEG11
30
PB12/SPI2_NSS/I2C2_SMBA/USART3_CK/LCD_SEG12/ADC_IN18/COMP1_INP/TIM10_CH1
33
PB13/SPI2_SCK/USART3_CTS/LCD_SEG13/ADC_IN19/COMP1_INP/TIM9_CH1
34
PB14/SPI2_MISO/USART3_RTS/LCD_SEG14/ADC_IN20/COMP1_INP/TIM9_CH2
35
PB15/SPI2_MOSI/TIM1_CH3N/LCD_SEG15/ADC_IN21/COMP1_INP/TIM11_CH1/RTC_50_60Hz
36
PA8/USART1_CK/MCO/LCD_COM0
41
PA9/USART1_TX/LCD_COM1
42
PA10/USART1_RX/LCD_COM2
43
PA11/USART1_CTS/USBDM/SPI1_MISO
44
PA12/USART1_RTS/USBDP/SPI1_MOSI
45
PA13/SWDIO
46
PA14/SWCLK
49
PA15/TIM2_CH1_ETR/PA15/SPI1_NSS/LCD_SEG17
50
PB3/TIM2_CH2/PB3/TRACESWOSPI1_SCK/COMP2_INM/LCD_SEG7
55
PB4/TIM3_CH1/PB4/SPI1_MISO/COMP2_INP/LCD_SEG8
56
PB5/I2C1_SMBAl/TIM3_CH2/SPI1_MOSI/COMP2_INP/LCD_SEG9
57
PB6/I2C1_SCL/TIM4_CH1/USART1_TX
58
PB7/I2C1_SDA/TIM4_CH2/USART1_RX/PVD_IN
59
BOOT0
60
PB8/TIM4_CH3/I2C1_SCL/LCD_SEG16/TIM10_CH1
61
PB9/TIM4_CH4/I2C1_SDA/LCD_COM3/TIM11_CH1
62
PC13
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
PC0
8
PC1
9
PC2
10
PC3
11
PC4/ADC_IN14/LCD_SEG22/COMP1_INP
24
PC5/ADC_IN15/LCD_SEG23/COMP1_INP
25
PC6/TIM3_CH1/LCD_SEG24
37
PC7/TIM3_CH2/LCD_SEG25
38
PC8/TIM3_CH3/LCD_SEG26
39
PC9/TIM3_CH4/LCD_SEG27
40
PC10/USART3_TX/LCD_SEG28/LCD_SEG40/LCD_COM4
51
PC11/USART3_RX/LCD_SEG29/LCD_SEG41/LCD_COM5
52
PC12/USART3_CK/LCD_SEG30/LCD_SEG42/LCD_COM6
53
PD2/TIM3_ETR/LCD_SEG31/LCD_SEG43/LCD_COM7
54
U8A
STM32L152RCT6
VSSA
12
VDDA
13
VSS_4
18
VSS_1
31
VSS_2
47
VSS_3
63
VLCD
1
VDD_4
19
VDD_1
32
VDD_2
48
VDD_3
64
U8B
STM32L152RCT6