The APM32F103RCT6 belongs to the APM32 series, which is produced by Apmicro, a company specializing in microcontrollers. This particular model is based on the ARM Cortex-M3 architecture, providing low Power consumption and high performance for various embedded systems.
Pin Function Specifications
The APM32F103RCT6 microcontroller typically comes in a LQFP-64 package, meaning it has 64 pins in a Leadless Quad Flat Package (LQFP) form factor. Below is the pin function specification list for the 64 pins:
Pin Number Pin Name Function Description 1 VSS Ground pin for the device. 2 VDD Power supply pin for the device. 3 PA13 (SWDIO) Serial Wire Debug I/O. Used for debugging the microcontroller. 4 PA14 (SWCLK) Serial Wire Debug Clock . 5 PA15 (JTDI) JTAG Test Data Input. Used for JTAG interface . 6 PB0 (TIMER2_CH1) Timer 2 Channel 1. Used for input capture or output compare functions. 7 PB1 (TIMER2_CH2) Timer 2 Channel 2. Used for input capture or output compare functions. 8 PB2 (TIMER2_CH3) Timer 2 Channel 3. Used for input capture or output compare functions. 9 PB3 (TIMER2_CH4) Timer 2 Channel 4. Used for input capture or output compare functions. 10 PB4 (I2C1_SCL) I2C1 Clock. Used as the clock line for I2C communication. 11 PB5 (I2C1_SDA) I2C1 Data. Used as the data line for I2C communication. 12 PB6 (SPI1_MISO) SPI1 Master In Slave Out. Used for SPI communication as the MISO line. 13 PB7 (SPI1_MOSI) SPI1 Master Out Slave In. Used for SPI communication as the MOSI line. 14 PB8 (SPI1_SCK) SPI1 Clock. Used for SPI communication as the clock line. 15 PB9 (SPI1_NSS) SPI1 Chip Select. Used for SPI communication as the slave select line. 16 PC13 User Button / Wake-up Pin. Can be used as a general input pin or a wake-up pin from low-power modes. 17 PC14 OSC32_IN. Input for the external low-speed oscillator. 18 PC15 OSC32_OUT. Output for the external low-speed oscillator. 19 PD0 (USART2_RI) USART2 Receiver Input. Used for receiving data in USART communication. 20 PD1 (USART2_TX) USART2 Transmit Data. Used for transmitting data in USART communication. 21 PD2 (USART2_RX) USART2 Receive Data. Used for receiving data in USART communication. 22 PD3 (USART2_CK) USART2 Clock. Used for clocking in data for synchronous USART communication. 23 PD4 (I2C2_SCL) I2C2 Clock. Used as the clock line for I2C communication. 24 PD5 (I2C2_SDA) I2C2 Data. Used as the data line for I2C communication. 25 PD6 (SPI2_MISO) SPI2 Master In Slave Out. Used for SPI communication as the MISO line. 26 PD7 (SPI2_MOSI) SPI2 Master Out Slave In. Used for SPI communication as the MOSI line. 27 PD8 (SPI2_SCK) SPI2 Clock. Used for SPI communication as the clock line. 28 PD9 (SPI2_NSS) SPI2 Chip Select. Used for SPI communication as the slave select line. 29 PE0 (USART1_CK) USART1 Clock. Used for clocking in data for synchronous USART communication. 30 PE1 (USART1_TX) USART1 Transmit Data. Used for transmitting data in USART communication. 31 PE2 (USART1_RX) USART1 Receive Data. Used for receiving data in USART communication. 32 PE3 (USART1_RI) USART1 Receiver Input. Used for receiving data in USART communication. 33 PE4 General-purpose I/O or external interrupt. 34 PE5 General-purpose I/O or external interrupt. 35 PE6 General-purpose I/O or external interrupt. 36 PE7 General-purpose I/O or external interrupt. 37 PE8 General-purpose I/O or external interrupt. 38 PE9 General-purpose I/O or external interrupt. 39 PE10 General-purpose I/O or external interrupt. 40 PE11 General-purpose I/O or external interrupt. 41 PE12 General-purpose I/O or external interrupt. 42 PE13 General-purpose I/O or external interrupt. 43 PE14 General-purpose I/O or external interrupt. 44 PE15 General-purpose I/O or external interrupt. 45 PF0 Analog Input. 46 PF1 Analog Input. 47 PF2 Analog Input. 48 PF3 Analog Input. 49 PF4 Analog Input. 50 PF5 Analog Input. 51 PF6 Analog Input. 52 PF7 Analog Input. 53 PF8 Analog Input. 54 PF9 Analog Input. 55 PF10 Analog Input. 56 PF11 Analog Input. 57 PF12 Analog Input. 58 PF13 Analog Input. 59 PF14 Analog Input. 60 PF15 Analog Input. 61 VSS Ground pin. 62 VDD Power supply pin. 63 NRST Reset pin. 64 BOOT0 Boot selection pin.Pin Functions FAQ
Q1: What is the voltage range supported by the APM32F103RCT6? A1: The APM32F103RCT6 supports a voltage range of 2.0V to 3.6V for its core power supply.
Q2: How do I reset the APM32F103RCT6? A2: The APM32F103RCT6 can be reset using the NRST pin, which is an active-low reset signal.
Q3: What is the maximum clock frequency of the APM32F103RCT6? A3: The maximum clock frequency for the APM32F103RCT6 is 72 MHz.
Q4: Which pins are used for SPI communication? A4: The SPI communication uses PB6 (MISO), PB7 (MOSI), PB8 (SCK), and PB9 (NSS).
Q5: How many ADC channels does the APM32F103RCT6 support? A5: The APM32F103RCT6 supports 16 channels of ADC inputs.
Q6: What is the function of PA13 (SWDIO) and PA14 (SWCLK)? A6: PA13 and PA14 are used for the Serial Wire Debug (SWD) interface, with PA13 acting as the data line and PA14 as the clock.
Q7: What is the role of PB4 and PB5? A7: PB4 and PB5 are used for I2C communication, with PB4 serving as the clock (SCL) and PB5 as the data (SDA).
Q8: What is the maximum current output for I/O pins? A8: Each I/O pin can source or sink a maximum current of 25mA.
Q9: Can the APM32F103RCT6 be programmed using the JTAG interface? A9: Yes, the APM32F103RCT6 can be programmed using the JTAG interface, with PA15 acting as the Test Data Input (JTDI) pin.
Q10: How do I configure the external clock source? A10: The external clock source is connected through the OSCIN pin (PC14) and OSCOUT pin (PC15).
Q11: How can I monitor the device’s power consumption? A11: The APM32F103RCT6 has various power-saving modes that can be configured via software, including Sleep, Stop, and Standby modes.
Q12: What is the function of PD0 and PD1? A12: PD0 is used as the USART2 receiver input, while PD1 is used as the USART2 transmit data line.
Q13: Can I use the APM32F103RCT6 for motor control applications? A13: Yes, the microcontroller has advanced timers (e.g., Timer 2, 3) that are suitable for motor control applications.
Q14: What is the role of PF pins? A14: PF pins are analog input pins that can be used for connecting sensors or other analog devices.
Q15: Can the APM32F103RCT6 handle interrupts? A15: Yes, the APM32F103RCT6 supports external interrupts on most I/O pins, with specific interrupt sources configurable via software.
Q16: What is the purpose of the BOOT0 pin? A16: The BOOT0 pin determines the boot mode on reset, allowing the device to boot from Flash or from system memory.
Q17: How can I configure the UART for communication? A17: The UART can be configured using the corresponding USART pins (TX/RX), and the baud rate and other parameters can be set in the software.
Q18: What is the maximum operating temperature of the APM32F103RCT6? A18: The maximum operating temperature is 85°C for industrial-grade versions.
Q19: Can I use the APM32F103RCT6 in automotive applications? A19: The APM32F103RCT6 can be used in automotive applications, but make sure to choose the appropriate version that meets automotive-grade requirements.
Q20: How do I interface the APM32F103RCT6 with external memory? A20: The APM32F103RCT6 can interface with external memory using the appropriate GPIOs configured for data, address, and control signals.
This list covers the key functionality of each pin on the APM32F103RCT6, detailed answers to some of the most common questions, and a comprehensive description of its capabilities.
