In the RT600 and RT700 reference manual there is a GPIO setting to configure a GPIO's slew rate. This setting is either "disabled (default)" or "enabled." How is this setting tuning the internal driving circuit of the GPIO in its disabled and enabled state? Best, Aaron Labels: Packag...
// Slow Slew Rate, 100MHz IOMUXC_SetPinConfig(IOMUXC_GPIO_11_GPIOMUX_IO11, 0x70A0U); GPIO_PinInit(GPIO1, 11, &led_config); } else { // GPIO2 IOMUXC_GPR->GPR26 |= (1u << 11); // Fast Slew Rate, 200MHz IOMUXC_SetPinConfig(IOMUXC_GPIO_11_GPIOMUX_IO11, 0x70F9U); ...
Re: ESP32 GPIO slew rate/risetime by justsomeaccount » Thu Feb 01, 2024 7:46 am ESP_Sprite wrote: ↑ Thu Feb 01, 2024 4:09 am Note that those rise and fall times are affected by your probe capacitance as well (although your measurements do give some baseline; as in the 'raw...
boolis_normal_gpio=false;intmain(void){BOARD_ConfigMPU();BOARD_InitBootClocks();/* Define the init structure for the output LED pin*/gpio_pin_config_t led_config={kGPIO_DigitalOutput,0,kGPIO_NoIntmode};CLOCK_EnableClock(kCLOCK_Iomuxc);IOMUXC_SetPinMux(IOMUXC_GPIO_11_GPIOMUX_IO11,0...
PORT_PCR_SRE(0) :Slew Rate 設定為 Fast PORT_PCR_PV(0) :選擇高或低內部上拉電阻值,設定為 Low PORT_PCR_PE(1) :Enable 內部電阻功能開關 PORT_PCR_PS(Input_IO_Status) :Input_IO_Status 參數為 1,Enable 內部上拉電阻功能 4.3.2 GPIO_base->PDDR : 設定 GPIO 的 Direction,這邊設定為 0,表...
mtk的文档给的block dragram中并没有标全,还有设置上下拉,SMT,slew rate这些属性 二.dws中的配置 依次来看下GPIO的配置项: EintMode:中断模式 M0~M7:GPIO支持的模式选择 Def.Mode:默认的模式,根据后面勾选的M0~M7中选择默认模式 InPull En:是否支持上下拉 ...
mtk的文档给的block dragram中并没有标全,还有设置上下拉,SMT,slew rate这些属性 二.dws中的配置 依次来看下GPIO的配置项: EintMode:中断模式 M0~M7:GPIO支持的模式选择 Def.Mode:默认的模式,根据后面勾选的M0~M7中选择默认模式 InPull En:是否支持上下拉 ...
voidio_test_init(booluseNormalGpio){gpio_pin_config_t led_config={kGPIO_DigitalOutput,0,kGPIO_NoIntmode};CLOCK_EnableClock(kCLOCK_Iomuxc);IOMUXC_SetPinMux(IOMUXC_GPIO_11_GPIOMUX_IO11,0U);// Fast Slew Rate, R0/6, 200MHzIOMUXC_SetPinConfig(IOMUXC_GPIO_11_GPIOMUX_IO11,0x70F9U)...
slew-rate = <0>;--设置slew rate。}; pins2 { pinmux= <STM32_PINMUX('B',2, AF8)>;/*UART4_RX*/bias-disable; }; };uart4_idle_pins_a: uart4-idle-0{ pins1 { pinmux= <STM32_PINMUX('G',11, ANALOG)>;/*UART4_TX*/}; ...
void gpio_set_slew_rate(uintgpio, enum gpio_slew_rate slew); // 获取指定gpio口速度 enum gpio_slew_rate gpio_get_slew_rate(uint gpio); // 设置gpio输出电流大小 void gpio_set_drive_strength(uint gpio, enum gpio_drive_strength drive); // 获取指定gpio输出强度 enum gpio_dri...