在介绍了板卡相关硬件后，那当然要进行一些些小小的测试，此贴就分享一下板卡在相关低功耗模式下的功耗吧。
首先，介绍下到底有哪几种低功耗模式，分别是什么状态：
1.低功耗模式包含： - Sleep Mode
- STOP mode with RTC
- STANDBY mode without RTC and BKPSRAM
- STANDBY mode with RTC
- STANDBY mode with RTC and BKPSRAM
2.低功耗模式描述：
- Sleep Mode
============
- System Running at PLL (216MHz)
- Flash 5 wait state
- Instruction and Data caches ON
- Prefetch OFF
- Code running from Internal FLASH
- All peripherals disabled.
- Wakeup using EXTI Line (USER Button on PA.0 pin)
- STOP Mode
===========
- RTC Clocked by LSI
- Regulator in LP mode
- HSI, HSE OFF and LSI if not used as RTC Clock source
- No IWDG
- FLASH in deep power down mode
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
- STANDBY Mode
==============
- Backup SRAM and RTC OFF
- IWDG and LSI OFF
- Wakeup using WakeUp Pin (USER Button on PA.0 pin)
- STANDBY Mode with RTC clocked by LSI
==========================================
- RTC Clocked by LSI
- IWDG OFF and LSI OFF if not used as RTC Clock source
- Backup SRAM OFF
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
- STANDBY Mode with backup SRAM ON
======================================================
- RTC Clocked by LSI
- IWDG OFF and LSI OFF if not used as RTC Clock source
- Backup SRAM ON
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
3.怎么接线
首先看下，非低功耗模式下，5V输入，带屏幕，程序是出厂自带时候的功耗如何：
找到板子上5V和GND，插上插针，把鳄鱼夹加上，
楼主
