初步

......世界上最节能的微控制器

表格清单

1.1 。订购信息................................................................................................................................ 2

2.1 。配置摘要............................................................................................................................ 7

3.1 。绝对最大额定值..................................................................................................................... 10

3.2 。一般操作条件.................................................................................................................. 10

3.3 。环境的....................................................................................................................................... 11

3.4 。消耗电流............................................................................................................................. 12

3.5 。节能模式转换...................................................................................................................... 13

3.6 。电源管理............................................................................................................................... 13

3.7 。闪光.................................................................................................................................................. 14

3.8 。 GPIO .................................................................................................................................................. 15

3.9 。 LFXO .................................................................................................................................................. 22

3.10 。最小的负载电容（C

LFXOL

）要求对安全的晶体启动............................................ ....... 23

3.11 。 HFXO ................................................................................................................................................ 23

3.12 。 LFRCO .............................................................................................................................................. 23

3.13 。 HFRCO ............................................................................................................................................. 24

3.14 。 ULFRCO ............................................................................................................................................ 26

3.15 。 ADC .................................................................................................................................................. 26

3.16 。 DAC .................................................................................................................................................. 36

3.17 。运算放大器............................................................................................................................................. 37

3.18 。 ACMP ............................................................................................................................................... 41

3.19 。 VCMP ............................................................................................................................................... 43

3.20 。液晶显示.................................................................................................................................................. 44

3.21 。数码外设............................................................................................................................... 44

4.1 。器件的引脚....................................................................................................................................... 46

4.2 。备用功能概述................................................................................................................ 49

4.3 。 GPIO引脚........................................................................................................................................ 54

4.4 。 QFN64 （单位：mm ） .................................................................................................................... 55

5.1 。 QFN64 PCB焊盘图案尺寸（单位：mm ） ........................................ .................................. 56

5.2 。 QFN64 PCB阻焊尺寸（单位：mm ） ........................................ ................................... 57

5.3 。 QFN64 PCB模板设计尺寸（单位：mm ） ........................................ ................................ 58

2012年9月11日 - EFM32GG940FXX - d0044_Rev1.00

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