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Datasheet
MM32W3xxB
32
½基于
ARM Cortex M3
核心的蓝牙½功耗芯片
版本:1.1/n4
保留不通知的情况下，更改相关资料的权利
MM32W3xxB Datasheet
Ver.1.1/n4
目½
1.
1.1
1.2
2.
2.1
2.2
总介
.......................................................................................................................... 8
概述
....................................................................................................................... 8
产品特性................................................................................................................
8
规格说明
..................................................................................................................10
器件对比...............................................................................................................10
概述
......................................................................................................................11
ARM
®
的Cortex
®
-M3核心并内嵌闪存和SRAM ................................................11
内½闪存存储器
..............................................................................................11
CRC(循环冗½校验)计算单元 .........................................................................11
内½SRAM
.....................................................................................................11
嵌套的向量式中断控制器（NVIC）
................................................................11
外部中断/事件控制器（EXTI）
......................................................................11
控制模块时钟和启动
......................................................................................11
自举模式
........................................................................................................12
供电方案
........................................................................................................12
供电监控器
..................................................................................................12
电压调压器
..................................................................................................12
½功耗模式
..................................................................................................12
DMA............................................................................................................13
RTC（实时时钟）和后备寄存器 .................................................................13
定时器和看门狗
..........................................................................................13
通用异步收发器（UART）
..........................................................................14
I2C总线 .......................................................................................................14
串行外设接口（SPI）
.................................................................................14
通用串行总线（USB）................................................................................15
通用输入输出接口（GPIO）
.......................................................................15
ADC（模拟/数字½换器） ...........................................................................15
DAC（数字/模拟½换） ..............................................................................15
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
2.2.11
2.2.12
2.2.13
2.2.14
2.2.15
2.2.16
2.2.17
2.2.18
2.2.19
2.2.20
2.2.21
2.2.22
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MM32W3xxB Datasheet
Ver.1.1/n4
2.2.23
2.2.24
2.2.25
3.
4.
5.
5.1
蓝牙½功耗广播
..........................................................................................15
温度传感器
..................................................................................................16
串行单线SWD调试口（SW-DP）
...............................................................16
引脚定义
..................................................................................................................19
存储器映像
..............................................................................................................24
电气特性
..................................................................................................................26
测试条件...............................................................................................................26
最小和最大数值
..............................................................................................26
典型数值
........................................................................................................26
典型曲线
........................................................................................................26
负½½电容
........................................................................................................26
引脚输入电压
.................................................................................................26
供电方案
........................................................................................................27
电流消耗测量
.................................................................................................28
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7
5.2
5.3
5.4
5.5
5.6
RF一般特性 ..........................................................................................................28
RF发射机特性 ......................................................................................................29
RF接收机特性 ......................................................................................................29
绝对最大额定值
....................................................................................................29
绝对最大额定值工½条件......................................................................................30
通用工½条件
.................................................................................................30
上电和掉电时的工½条件
...............................................................................31
内嵌复½和电源控制模块特性
........................................................................31
内½的参照电压
..............................................................................................32
供电电流特性
.................................................................................................32
外部时钟源特性
..............................................................................................35
控制模块内部时钟源特性
...............................................................................39
PLL特性 .........................................................................................................40
存储器特性
.....................................................................................................41
EMC特性 ....................................................................................................41
绝对最大值（电气敏感性）
.........................................................................42
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10
5.6.11
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MM32W3xxB Datasheet
Ver.1.1/n4
5.6.12
5.6.13
5.6.14
5.6.15
5.6.16
5.6.17
5.6.18
6.
6.1
6.2
6.3
7.
7.1
7.2
8.
9.
I/O端口特性 ................................................................................................43
NRST引脚特性 ...........................................................................................46
TIM定时器特性 ...........................................................................................46
通信接口
.....................................................................................................47
12½ADC特性 .............................................................................................52
温度传感器特性
..........................................................................................54
DAC特性 .....................................................................................................54
PCB设计建议 ..........................................................................................................56
电源设计建议
.......................................................................................................56
PCB注意事项 .......................................................................................................56
2.4G射频天线设计................................................................................................57
封装特性
..................................................................................................................58
封装LQFP64
........................................................................................................58
封装LQFP48
........................................................................................................59
型号½名
..................................................................................................................60
修改记½
..................................................................................................................61
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MM32W3xxB Datasheet
Ver.1.1/n4
图片目½
图1.
MM32W3x2xxB模块框图 .......................................................................................16
图2. 时钟树
...................................................................................................................18
图3.
MM32W3x2xxB LQFP64引脚分布 .........................................................................19
图4.
MM32W3x2xxBLQFP48引脚分布 ..........................................................................20
图5. 引脚的负½½条件
.....................................................................................................26
图6. 引脚输入电压
........................................................................................................27
图7. 供电方案
................................................................................................................27
图8. 电流消耗测量方案
.................................................................................................28
图9. 射频性½参数
........................................................................................................28
图10. 待机模式下的典型电流消耗在V
DD
=3.3V时与温度的对比 .....................................33
图11. 控制模块½用8
~ 24MHz晶½的典型应用 ............................................................35
图12. 射频模块½用16MHz晶½的典型应用
..................................................................36
图13. 外部高速时钟源的交流时序图
.............................................................................37
图14. 外部½速时钟源的交流时序图
.............................................................................38
图15. ½用32.768KHz晶½的典型应用
..........................................................................39
图16. 输入输出交流特性定义
........................................................................................45
图17. 建议的NRST引脚保护
.........................................................................................46
图18.
I2C总线交流波½和测量电路
(1)
.............................................................................48
图19.
SPI时序图–从模式和CPHA = 0 ............................................................................49
图20.
SPI时序图–从模式和CPHA = 1
(1)
.........................................................................50
图21.
SPI时序图–主模式
(1)
.............................................................................................50
图22.
USB时序：数据信号上升和下降时间定义 ............................................................51
图23. ½用ADC典型的连接图
........................................................................................53
图24.
12Bit带缓冲/不带缓冲DAC ...................................................................................55
图25. 供电电源和参考电源去藕线路
.............................................................................56
图26. 天线的尺寸
..........................................................................................................57
图27.
LQFP64，64脚½剖面方½扁平封装图.................................................................58
图28.
LQFP48，48脚½剖面方½扁平封装图.................................................................59
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