libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
Macros
USBPRE: USB prescaler (RCC_CFGR[23:22])
GD32F1x0xx Defines » RCC Defines
Collaboration diagram for USBPRE: USB prescaler (RCC_CFGR[23:22]):

Macros

#define RCC_CFGR_USBPRE_PLL_CLK_DIV1_5   0x0
 
#define RCC_CFGR_USBPRE_PLL_CLK_NODIV   0x1
 
#define RCC_CFGR_USBPRE_PLL_CLK_DIV2_5   0x2
 
#define RCC_CFGR_USBPRE_PLL_CLK_DIV2   0x3
 

Detailed Description

Macro Definition Documentation

◆ RCC_CFGR_USBPRE_PLL_CLK_DIV1_5

#define RCC_CFGR_USBPRE_PLL_CLK_DIV1_5   0x0

Definition at line 134 of file gd32/f1x0/rcc.h.

◆ RCC_CFGR_USBPRE_PLL_CLK_DIV2

#define RCC_CFGR_USBPRE_PLL_CLK_DIV2   0x3

Definition at line 137 of file gd32/f1x0/rcc.h.

◆ RCC_CFGR_USBPRE_PLL_CLK_DIV2_5

#define RCC_CFGR_USBPRE_PLL_CLK_DIV2_5   0x2

Definition at line 136 of file gd32/f1x0/rcc.h.

◆ RCC_CFGR_USBPRE_PLL_CLK_NODIV

#define RCC_CFGR_USBPRE_PLL_CLK_NODIV   0x1

Definition at line 135 of file gd32/f1x0/rcc.h.