4. Bypass Mode Configuration

When the DA1453x is configured to run in Buck or Boost mode, the SDK auto-configures the mode depending on the power supply scheme (jumper settings on J4 on the motherboard). However, to run in Bypass mode, the appropriate flag needs to be set in the SDK in the da14531_config_basic.h for DA14531 device or da14535_config_basic.h for DA14535/DA14533 devices. This will configure the device to Bypass mode.

/****************************************************************************************************************/
/* Notify the SDK about the fixed power mode (currently used only for Bypass):                                  */
/*     - CFG_POWER_MODE_BYPASS = Bypass mode                                                                    */
/****************************************************************************************************************/
#define  CFG_POWER_MODE_BYPASS

The jumper settings on the J4 jumper for Buck or Boost mode are described in chapter 6 How to Configure Power of DA1453x DEVKIT-P of UM-B-114 and UM-B-169. The jumper settings that go in the motherboard on J4 for the Bypass mode are as shown in Jumper Settings for Bypass Mode on J4 DA14531 DevkitP and Jumper Settings for Bypass Mode on J4 DA1453x DevkitP.

../_images/Jumper.svg

Figure 3 Jumper Settings for Bypass Mode on J4 DA14531 DevkitP

../_images/Jumper_da14535.svg

Figure 4 Jumper Settings for Bypass Mode on J4 DA1453x DevkitP