CMT2380F64
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Rev 0.3 | 40 / 83
RTC_OUT
O
RTC Output function (256 Hz or 1 Hz)
WKUP1
I
MCU enters into PD mode and awakens input signal 1
PC14
10
11
IO
MCU port PC 14
OSC32_IN
Analog
MCU external 32768 Hz crystal input pin
PC15
11
12
IO
MCU port PC 15
OSC32_OUT
Analog
MCU external 32768 Hz crystal output pin
PF0
-
13
IO
MCU port PF0
I2C1_SDA
IO
I2C1 serial data signal
OSC_IN
I
Crystal input pin
OPAMP_VINP
Analog
Positive operational amplifier input
I2C1_SCL
O
I2C1 serial clock signal
USART1_CK
O
USART 1 synchronously transmitted clock output signal
USART2_CK
O
USART 2 synchronously transmitted clock output signal
OSC_OUT
O
Crystal output pin
MCU_NRST
12
15
I
MCU reset ports, low level valid
NC
-
16
-
No connection
MCU_VSSA
-
17
S
Analog ground
MCU_VDD
-
18
S
Complementary power supply
MCU_VDDA
13
19
Analog
MCU analog power
PA0
14
14
20
IO
MCU port PA0
USART1_CTS
I
Clearing signal is received in USART 1 flow control
USART2_CTS
I
Clearing signal is received in USART 2 flow control
USART2_RX
I
RxD of USART 2
LPUART_TX
O
TxD of LPUART
LPUART_RX
I
RxD of LPUART
SPI1_SCK
IO
SPI 1 clock signal
I2S_CLK
IO
I2S serial clock signal
LPTIM_IN1
I
LP Timer input signal channel 1
TIM8_CH1
IO
Timer8 I/O channel 1
RTC_TAMP2
I
RTC intrusion event detect input 2
WKUP0
I
MCU enters PD mode and awakens the input signal 0
COMP_INM
Analog
Comparator negative input port
COMP_OUT
Analog
Comparator output
ADC_IN0
Analog
ADC input channel 0
OPAMP_VINP
Analog
Operational amplifier input positive
PA1
15
21
IO
MCU port PA1
USART1_RTS
O
Flow control of USART 1 transmitting query signal
USART2_RTS
O
Flow control of USART 2 transmitting query signal
EVENT_OUT
O
Event output
SPI1_NSS
IO
SPI 1 chip selected signal
I2S_WS
IO
I2S channel selected signal
I2C1_SMBA
I
I2C1 Warning signal in SMBus mode (optional)
LPTIM_IN2
I
Input signal channel 2 of LP Timer