LPC1769FBD100 Detailed explanation of pin function specifications and circuit principle instructions
The model you mentioned, "LPC1769FBD100," refers to a microcontroller from NXP Semiconductors, part of the LPC1700 series. It uses the LQFP-100 (Low-Profile Quad Flat Package), which has 100 pins.
Pin Function Specifications and Circuit Principle Instructions
The LPC1769 is an ARM Cortex-M3 based microcontroller that features a range of peripherals and functionalities. Below is a detailed explanation of its pin functions, sorted by the pin number in the LQFP-100 package. The description includes functions for GPIO (General Purpose Input/Output), alternate functions (such as PWM, UART, I2C, SPI, etc.), and Power -related pins.
Pin Table for LPC1769 (LQFP-100):
Pin Number Pin Name Function Description 1 VSS Ground pin. Connect to the ground of the system. 2 VDD Power supply pin. Typically, 3.3V or 5V depending on the operating voltage. 3 VREF Reference voltage pin. Used for ADC (Analog to Digital Converter) reference voltage. 4 NC No Connection. Reserved for future use. 5 P0.0 GPIO pin. Can be used as a general-purpose input/output pin or configured for alternate functions like PWM, UART. 6 P0.1 GPIO pin. Same as P0.0 but can also be used for other functionalities. 7 P0.2 GPIO pin, can be used for various functions including SPI, UART, etc. 8 P0.3 GPIO pin, can be used for I2C, SPI, or general-purpose input/output. 9 P0.4 GPIO pin. Can be used as a standard I/O pin or for UART, PWM. 10 P0.5 GPIO pin. Often used for PWM or other digital communication. 11 P0.6 GPIO pin. Used for various I/O functionalities. 12 P0.7 GPIO pin. Can be configured for multiple functions like UART, SPI. 13 P0.8 GPIO pin. Used for alternate functions, often associated with timers or PWM outputs. 14 P0.9 GPIO pin. Used for alternate functionalities. 15 P0.10 GPIO pin, configurable for PWM, UART, or other functions. 16 P0.11 GPIO pin. Can also serve as a dedicated clock input pin for external clocks. 17 P0.12 GPIO pin. Can also be configured for I2C or SPI communication. 18 P0.13 GPIO pin. Often used for SPI or other digital communication. 19 P0.14 GPIO pin. Used for general-purpose I/O. 20 P0.15 GPIO pin, typically configured for PWM or UART. 21 P0.16 GPIO pin, used for various peripherals. 22 P0.17 GPIO pin, can be used for I2C, SPI, or UART. 23 P0.18 GPIO pin, often used for timers or PWM outputs. 24 P0.19 GPIO pin, used for alternate functions. 25 P0.20 GPIO pin, configurable for various peripherals. 26 P0.21 GPIO pin, often used for UART or SPI communication. 27 P0.22 GPIO pin, used for SPI or I2C functionality. 28 P0.23 GPIO pin. Can be configured for various digital communication protocols. 29 P0.24 GPIO pin, used for various I/O or PWM purposes. 30 P0.25 GPIO pin, often used for UART or PWM. 31 P0.26 GPIO pin, can be configured for various functions such as SPI, I2C, or UART. 32 P0.27 GPIO pin, used for multiple digital functions. 33 P0.28 GPIO pin, can be used for I2C, SPI, or UART. 34 P0.29 GPIO pin, used for communication protocols or general purpose I/O. 35 P0.30 GPIO pin, used for SPI, I2C, or UART. 36 P0.31 GPIO pin, can be used for general purpose I/O or alternate functions. 37 P1.0 GPIO pin, can serve as an input/output or be used for communication interface s. 38 P1.1 GPIO pin, used for alternate functions such as UART. 39 P1.2 GPIO pin. Can be configured for PWM, UART, or other functions. 40 P1.3 GPIO pin, often used for SPI or UART communication. 41 P1.4 GPIO pin, used for I2C, SPI, or UART. 42 P1.5 GPIO pin, can be configured for digital input/output or analog functions. 43 P1.6 GPIO pin. Used for alternate functions such as UART, SPI, or I2C. 44 P1.7 GPIO pin, used for various peripherals like PWM or timers. 45 P1.8 GPIO pin, often used for SPI or UART communication. 46 P1.9 GPIO pin, can be configured for I2C, UART, or SPI. 47 P1.10 GPIO pin, often used for analog functions like ADC. 48 P1.11 GPIO pin. Used for general-purpose input/output or alternate functions. 49 P1.12 GPIO pin, can be used for PWM, UART, or SPI. 50 P1.13 GPIO pin, used for UART or digital communication. 51 P1.14 GPIO pin, can be used for I2C or SPI. 52 P1.15 GPIO pin. Typically used for UART or I2C. 53 P2.0 GPIO pin, can be used for various functions such as UART, PWM, etc. 54 P2.1 GPIO pin, used for communication or general I/O. 55 P2.2 GPIO pin, often used for SPI or UART communication. 56 P2.3 GPIO pin, can be configured for analog functions like ADC. 57 P2.4 GPIO pin, used for various digital functions. 58 P2.5 GPIO pin, typically used for UART, I2C, or SPI. 59 P2.6 GPIO pin, can be used for timers or other digital functions. 60 P2.7 GPIO pin. Used for general-purpose input/output or communication. 61 P2.8 GPIO pin, used for communication like UART, SPI, etc. 62 P2.9 GPIO pin, used for analog or digital input/output. 63 P2.10 GPIO pin, used for alternate functions like UART or PWM. 64 P2.11 GPIO pin. Configured for PWM, UART, or SPI. 65 P2.12 GPIO pin, used for timers, PWM, or general I/O. 66 P2.13 GPIO pin, can be configured for communication protocols like UART, I2C, or SPI. 67 P2.14 GPIO pin, used for analog functions or timers. 68 P2.15 GPIO pin. Can be used for SPI, I2C, or UART functions. 69 P2.16 GPIO pin, used for SPI or UART communication. 70 P2.17 GPIO pin, typically used for I2C or UART. 71 P2.18 GPIO pin, can be configured for PWM or SPI. 72 P2.19 GPIO pin, used for timers or PWM outputs. 73 P2.20 GPIO pin, used for UART or SPI. 74 P2.21 GPIO pin. Used for alternate functions like I2C, SPI. 75 P2.22 GPIO pin, can be used for analog or digital inputs/outputs. 76 P2.23 GPIO pin, typically configured for SPI or UART. 77 P2.24 GPIO pin, used for UART, SPI, or PWM. 78 P2.25 GPIO pin, typically used for digital I/O or alternate functions. 79 P2.26 GPIO pin, can be used for UART or SPI communication. 80 P2.27 GPIO pin, used for general-purpose I/O or analog functions. 81 P2.28 GPIO pin, used for digital communication or other general I/O. 82 P2.29 GPIO pin, typically configured for PWM or UART. 83 P2.30 GPIO pin, can be used for SPI, I2C, or UART. 84 P2.31 GPIO pin, can be used for digital I/O or analog signals. 85 NC No Connection. Reserved