WebTitle: I/O ports in STM32F10x Subject: Chapter 8: STM32F103 I/O port programming Author: Sepehr Naimi Keywords: I/O ports, Arm, STM32F103, GPIO, CRL, CRH, IDR, ODR ... WebMay 17, 2024 · 首先得明白crl、crh是2个控制端口模式的寄存器。他们的位数数据为: crl(引脚的0-7脚) crh(引脚的8-16脚) 然后一个端口分4位来控制模式,这4为的组合为: 我们来分析一下: gpiob->crl&=0x0fffffff; gpiob->crl =(u32) 8<<28; 的意思 先都置 0, 得 0000, 然后 1000b, 左移 28 位, 得 1000 ...
STM32 GPIO registers cheatsheet · GitHub
Web这里所操作的是pg11, gpiog->crh&=0xffff0fff; 这句话的意思是:cnf11位和mode11位设置为模拟输入模式. gpiog->crh =8<<12; 这句话的意思是:将8[1000]左移12位后,再或上复 … WebApr 7, 2024 · where REG can be one of the following: CRH and CRL. CRH is used to set type/and or speed of pins 8-15 of the port CRL is used to set type/and or speed of pins 0 … marc russo bio
STM32 microcontroller GPIO hardware settings and low …
Webcrh的作用和crl完全一样,只是crl控制的是低8位输出口,而crh控制的是高8位输出口。 这里我们对CRH就不做详细介绍了。 给个实例,比如我们要设置PORTC的11位为上拉输入,12位为推挽输出。 WebAs a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and … Web8/31 AN4899 Rev 3 4 GPIO functional description STM32 GPIO can be used in a variety of configurations. Each GPIO pin can be individually configured by software in any of the … marc russell design