ATSAM4SD16BB-UUR Detailed explanation of pin function specifications and circuit principle instructions
The part number ATSAM4SD16BB-UUR corresponds to a microcontroller from Microchip Technology, specifically from the SAM4S series of ARM Cortex-M4 based microcontrollers. This series is part of their broader SAM family of microcontrollers.
Package Type and Pin Count:
The ATSAM4SD16BB-UUR is available in a QFN-64 (Quad Flat No-lead) package, which has 64 pins. This package is widely used for applications requiring a moderate number of pins while maintaining a compact form factor.
Detailed Pin Function Specification and Circuit Principle:
Here is a detailed breakdown of the pin functions for the ATSAM4SD16BB-UUR:
Pin # Pin Name Function Description 1 VDDIO1 Power supply pin for the I/O domain 1. Typically 3.3V 2 VDDIO2 Power supply pin for the I/O domain 2. Typically 3.3V 3 VSS Ground pin 4 VDD Main power supply pin for the microcontroller. Typically 3.3V 5 NRST Reset input pin. Active low to reset the microcontroller. 6 PA00 General-purpose I/O pin. Can be configured as input, output, or alternative functions like serial communication. 7 PA01 General-purpose I/O pin. Supports analog, digital, or communication functions (UART, SPI, etc.). 8 PA02 General-purpose I/O pin. Can also function as an analog input. 9 PA03 General-purpose I/O pin, supports serial functions (e.g., UART Tx/Rx). 10 PA04 General-purpose I/O pin, can be configured for PWM or other digital functions. 11 PA05 General-purpose I/O pin, also available for analog input. 12 PA06 General-purpose I/O pin. Also available for external interrupts or PWM output. 13 PA07 General-purpose I/O pin. Can be used for serial functions or GPIO. 14 PA08 External clock input pin. Can also function as a digital I/O pin. 15 PA09 External clock output pin. Also functions as a general-purpose I/O pin. 16 PA10 Digital I/O pin. Can also be configured for analog input. 17 PA11 Digital I/O pin, often used for serial communication like SPI or UART. 18 PA12 Digital I/O pin, can also be configured as analog input or PWM. 19 PA13 General-purpose I/O pin. Can function as an external interrupt pin. 20 PA14 General-purpose I/O pin. Can also serve as a serial communication interface (e.g., I2C, SPI). 21 PA15 General-purpose I/O pin. Can be configured as digital output or input. 22 PA16 External interrupt pin, can function as a general-purpose I/O pin. 23 PA17 General-purpose I/O pin, also can serve as a communication interface (e.g., SPI). 24 PA18 External clock pin. Can function as a digital I/O pin. 25 PA19 General-purpose I/O pin. Can be used for serial communication (e.g., UART). 26 PA20 General-purpose I/O pin. Typically used for debugging purposes or external communication. 27 PA21 Analog input pin. Can also be configured for digital I/O. 28 PA22 Analog input pin. 29 PA23 General-purpose I/O pin, can also be configured for communication like SPI. 30 PA24 General-purpose I/O pin, used for I2C or GPIO functions. 31 PA25 General-purpose I/O pin, can be configured as an analog input or serial communication interface. 32 PA26 Analog input pin. 33 PA27 General-purpose I/O pin, can also serve as an interrupt input or output. 34 PA28 External clock input. 35 PA29 External clock output. 36 PA30 General-purpose I/O pin, can be used as external interrupt input. 37 PA31 General-purpose I/O pin. Can be configured for PWM output or other digital functions. 38 PB00 General-purpose I/O pin, can be configured as analog input or used for PWM output. 39 PB01 General-purpose I/O pin, can serve as a communication interface (e.g., SPI). 40 PB02 General-purpose I/O pin, available for external interrupts. 41 PB03 Analog input pin. Can also function as a digital I/O pin. 42 PB04 General-purpose I/O pin, supports analog or digital functions. 43 PB05 General-purpose I/O pin. 44 PB06 General-purpose I/O pin, can also be used as a communication interface (e.g., I2C). 45 PB07 General-purpose I/O pin, typically used for digital I/O or analog functions. 46 PB08 Digital I/O pin. Can be used for SPI or external communication functions. 47 PB09 General-purpose I/O pin. Can be used for communication like SPI or UART. 48 PB10 General-purpose I/O pin, supports PWM output or digital input. 49 PB11 General-purpose I/O pin, can be configured for analog input. 50 PB12 Digital I/O pin. 51 PB13 General-purpose I/O pin, can also serve as an analog input. 52 PB14 General-purpose I/O pin. 53 PB15 General-purpose I/O pin, can also serve as a serial communication interface. 54 PB16 General-purpose I/O pin. 55 PB17 General-purpose I/O pin. 56 PB18 Digital I/O pin, can be configured for PWM output or analog functions. 57 PB19 General-purpose I/O pin