STM32F051C4 STMicroelectronics, STM32F051C4 Datasheet - Page 28
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STM32F051C4
Manufacturer Part Number
STM32F051C4
Description
Entry-level ARM Cortex-M0 MCU with 16 Kbytes Flash, 48 MHz CPU, motor control and CEC functions
Manufacturer
STMicroelectronics
Datasheet
1.STM32F051C6.pdf
(40 pages)
Specifications of STM32F051C4
Voltage Range
2.0 V to 3.6 V
Conversion Range
0 to 3.6V
Systick Timer
24-bit downcounter
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Pinouts and pin description
Table 11.
1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current
2. After the first backup domain power-up, PC13, PC14 and PC15 operate as GPIOs. Their function then depends on the
3. After reset, these pins are configured as SWDAT and SWCLK alternate functions, and the internal pull-up on SWDAT pin
28/30
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin number
(3 mA), the use of GPIO PC13 to PC15 in output mode is limited:
- The speed should not exceed 2 MHz with a maximum load of 30 pF
- these GPIOs must not be used as a current sources (e.g. to drive an LED).
content of the Backup registers which is not reset by the main reset. For details on how to manage these GPIOs, refer to
the Battery backup domain and BKP register description sections in the reference manual.
and internal pull-down on SWCLK pin are activated.
37
38
39
40
41
42
43
44
45
46
47
48
24
25
26
27
28
29
30
31
32
0
1
Pin definitions (continued)
(function after
Pin name
(SWCLK)
BOOT0
reset)
PC10
PC11
PC12
PA14
PA15
VDD
VSS
PD2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
S
S
I
FTf
FTf
FTf
FTf
FT
FT
FT
FT
FT
FT
FT
FT
FT
B
Doc ID 018746 Rev 2
Notes
(3)
USART2_RX, TIM2_CH_ETR,
I2C1_SCL, CEC, TIM16_CH1,
TIM16_CH1N, TSC_G5_IO3
TIM17_CH1N, TSC_G5_IO4
I2C1_SMBA, TIM16_BKIN,
TIM2_CH2, TSC_G5_IO1,
TIM3_CH1, TSC_G5_IO2,
I2C1_SDA, USART1_RX,
TIM17_CH1, EVENTOUT
I2C1_SCL, USART1_TX,
SPI1_MISO/I2S1_MCK,
USART2_TX, SWCLK
SPI1_MOSI/I2S1_SD,
SPI1_NSS/I2S1_WS,
SPI1_SCK/I2S1_CK,
Alternate functions
I2C1_SDA, IR_OUT,
EVENTOUT
EVENTOUT
EVENTOUT
TSC_SYNC
TIM3_ETR
TIM3_CH2
Boot memory selection
Digital power supply
Pin functions
Digital ground
Additional functions
STM32F051x