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nRF9 E5单芯片收发器与嵌入式微控制器和ADC
目录
1
建筑学Overview.................................................................................................五
1.1 Microcontroller.........................................................................................................五
1.2 PWM....................................................................................................................... 6
1.3 SPI.......................................................................................................................... 6
1.4端口逻辑................................................................................................................ 6
1.5电源管理............................................... .................................................. 7
1.6低频时钟， RTC唤醒定时器， GPIO唤醒和看门狗.................................... 7
1.7 XTAL Oscillator....................................................................................................... 7
AD转换器1.8 .......................................................................................................... 8
1.9收音机Transceiver..................................................................................................... 8
2
Eletrical Specification................................................................................................... 9
2.1的详细信息目前.............................................. ..................................... 10
3
针Assignment........................................................................................................... 11
4
引脚功能............................................................................................................... 12
5
系统时钟............................................................................................................. 13
6
数字I / O Ports......................................................................................................... 14
6.1 I / O端口操作在复位.......................................... .................................. 14
6.2端口0 （ P0 ） ............................................................................................................. 14
6.3端口1 （ P1或SPI端口） ......................................... .................................................. 15
7
类似物Interface......................................................................................................... 17
7.1水晶规格............................................... ................................................ 17
7.2天线输出...................................................................................................... 17
7.3 ADC Inputs............................................................................................................ 17
7.4电流基准............................................... .................................................. 17
7.5数字电源去耦............................................ ......................................... 18
8
内部接口AD转换器和收发器............................................ .............. 19
8.1 P2 - 无线电通用IO端口.......................................... ............................... 19
9
收发子系统（ nRF905的） ............................................. ..................................... 21
操作9.1 RF模式............................................. .............................................. 21
9.2 NRF的ShockBurst 模式............................................. ........................................... 21
9.3待机模式........................................................................................................ 26
9.4输出功率调节.............................................. ......................................... 26
9.5 Modulation............................................................................................................. 26
9.6输出Frequency................................................................................................... 27
9.7载波Detect......................................................................................................... 27
9.8地址Match....................................................................................................... 28
9.9数据就绪............................................................................................................ 28
9.10
自动重传................................................ ................................................. 28
9.11
RX低功耗模式.............................................. ..................................... 28
公元10转换器子系统.............................................. .............................................. 29
AD转换器10.1 ............................................... .................................................. ... 29
AD转换器10.2使用.............................................. ............................................ 30
10.3 AD转换器采样和定时............................................ ........................ 31
11收发器和AD转换器配置............................................ .................... 33
11.1内部SPI寄存器配置............................................. ......................... 33
11.2 SPI - 指令集............................................. .............................................. 35
11.3 SPI Timing......................................................................................................... 36
11.4射频配置 - 注册说明............................................ .................. 37
11.5 ADC - 配置寄存器说明............................................ ............... 38
11.6状态寄存器说明............................................. .................................... 38
11.7 RF - 注册目录............................................. ........................................... 39
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