A6D350R

With the rapid development of society and the advancement of technologies such as computer control, people have higher expectations for their living and working environments, resulting in an increa...[Details]

source code: ORG 0000H LJMP MAIN ORG 0030H MAIN: MOV 30H,#01H MOV 31H,#02H MOV 32H,#03H MOV 33H,#04H MOV 34H,#05H MOV P0,#8FH DIS1: MOV R0,#30H...[Details]

source code: #include "reg52.h" #include "intrins.h" #define u8 unsigned char #define u16 unsigned int u8 code table = {0x3f,0x06,0x5b,0x4f, 0x...[Details]

STC microcontroller I/O current characteristics: Upstream current is much smaller than downstream current. PNP transistors are selected (untested, this connection method allows current t...[Details]

1. Project Background The electronic keyboard is a circuit-based musical instrument that can produce a variety of notes. With the advancement of microcontroller technology, electronic ke...[Details]

12. Initialization of bss segment In C code: there is an initialized global data segment, a local stack, a heap for the malloc part, and an uninitialized global bss segment. ...[Details]

1. Jump to C code Because the code in memory comes from the stepping stone SRAM, they are identical. This is done using an absolute jump. Because we are jumping from assembly code to...[Details]

Today, I encountered a problem when I wrote the bootloader to initialize the clock. I wrote it down. For easy understanding, I have screenshots for most of them. Let me explain that the pictures ar...[Details]

This section mainly introduces the S3C6410 development board and the OK6410 development board. The OK6410 development board is based on ARM11. The main steps are as follows: The OK6410 develop...[Details]

1: Interruption steps of s5pv210 (1): Establish an exception vector table; (2): Interrupt initialization; (3): Enable (such as external interrupt, write interrupt processing function...[Details]

Circuit Principle In the circuit, a NPN transistor is used to control the stop and buzzing of the buzzer. GPIO 口 GPD0_2 Output h...[Details]

Section 1 Audio Playback Principles First of all, I need to state that the code for this chapter comes from the Internet, referring to the post of Mr. Li Ming from Yaqian Education (forum ID: l...[Details]

When using GCC to develop ARM, you will definitely encounter compiler problems. For example, you will encounter various warnings and errors when compiling C code. For example, I encountered several...[Details]

1. SPI controller datasheet 1For details, please refer to: http://blog.csdn.net/hustyangju/article/details/20474659 2 All SPI registers are mapped to the kernel space and acce...[Details]

Therefore, we instruct students to use JPT-7 module to run GPS application in arm-Linux. Nand Flash space is too small, and the board used often cannot burn the root file system. So we decide to us...[Details]