CP2400/1/2/3
1.系统概述.................................................................................................................5
1.1 。典型的连接图............................................... ........................................... 9
2.绝对最大Ratings.............................................................................................. 11
3.电气特性.............................................. .................................................. .. 12
4.引脚和封装定义............................................ ........................................... 17
5.时钟选项...............................................................................................................32
6.内部寄存器和存储器............................................ ............................................ 34
6.1 。访问内部寄存器和RAM通过SPI接口.................................... 35
6.2 。访问内部寄存器和RAM通过SMBus接口.............................. 36
6.3 。内部寄存器.........................................................................................................37
7.中断源...............................................................................................................40
8.复位源.................................................................................................................... 47
8.1 。复位初始化........................................................................................................47
8.2 。上电Reset........................................................................................................... 48
8.3 。外部引脚Reset........................................................................................................48
9.电源Modes......................................................................................................................49
9.1 。正常Mode................................................................................................................ 50
9.2 。 RAM保存方式............................................... ............................................... 50
9.3 。超低功耗LCD模式............................................. ............................................ 51
9.4 。超低功耗smaRTClock的方式............................................. .............................. 52
9.5 。关断模式........................................................................................................... 53
9.6 。确定ULP模式唤醒源.......................................... .................... 55
9.7 。端口匹配功能，在超低功耗模式......................................... ..... 56
9.8 。禁用辅助设备功能.............................................. .......................... 58
10.端口输入/输出...............................................................................................................60
操作10.1.Port I / O模式......................................... ............................................... 61
10.2.Assigning端口I / O引脚的模拟和数字功能..................................... ........ 62
10.3.Active模式端口匹配............................................ .................................................. 63
10.4.Registers访问和配置端口I / O ....................................... ................ 65
11. smaRTClock的（实时时钟） .......................................... .............................................. 69
11.1.SmaRTClock Interface.................................................................................................70
11.2.SmaRTClock时钟源............................................. ...................................... 74
11.3.SmaRTClock定时器和闹钟功能........................................... .......................... 77
12. LCD段驱动器..........................................................................................................83
12.1.Initializing的LCD段驱动........................................... .................................. 83
12.2.LCD配置....................................................................................................... 84
12.3.LCD偏置电压的产生和对比度调整.......................................... ................ 85
12.4.LCD时序发生............................................. .................................................. 87
12.5.Mapping ULP存储器到LCD引脚.......................................... ................................... 90
12.6.Blinking LCD段............................................. .................................................. 91
13.计时器................................................................................................................................. 92
13.1.Timer 0 ....................................................................................................................... 92
13.2.Timer 1 ....................................................................................................................... 96
14.串行外设接口（ SPI ） .......................................... ........................................... 101
14.1.Signal说明.............................................. .................................................. 101 ....
14.2.Serial时钟时序............................................. .................................................. ..... 102
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