CSR1000 QFN: 蓝牙4.0超低功耗芯片详细规格

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BlueCore CSR1000 QFN是一款专为低功耗蓝牙（Bluetooth® v4.0）应用设计的微控制器，由CSR µEnergy平台提供。这款芯片具有40页的详细数据手册，涵盖了其主要特性和技术规格。 1. **蓝牙支持**: CSR1000 QFN支持蓝牙v4.0标准，这使其适用于需要高效无线连接的设备，如可穿戴设备、智能传感器和物联网(IoT)设备，尤其是在能源效率方面有着严格的限制。 2. **功率管理**: 设备的最大发射功率为8dBm，确保在保持信号强度的同时降低能耗。接收端的典型灵敏度达到-92dBm，这意味着即使在远距离或低信号环境中也能稳定接收。 3. **硬件功能**: 包含高级功能如ATT (Attribute Protocol)、GATT (Generic Attribute Profile)、SMP (Security Manager Protocol)、L2CAP (Logical Link Control and Adaptation Protocol) 和 GAP (Generic Access Profile)，这些协议支持蓝牙设备之间的交互和数据交换。 4. **接口与传感器**: 提供10位ADC (Analog-to-Digital Converter)用于精确的数据采集，12个数字输入输出(DIOs)方便外部设备控制，3个模拟输入输出(AIOs)用于传感器读取，以及串行通信接口如UART (Universal Asynchronous Receiver/Transmitter) 和 I²C/SPI (Inter-Integrated Circuit / Serial Peripheral Interface) 连接外部存储器和外设。 5. **调试与扩展**: 内置Debug SPI (Serial Programming Interface) 便于开发过程中的编程和调试，还有3个PWM (Pulse Width Modulation) 模块，可实现定时和脉宽调制功能。此外，它还配备了一个64KB RAM和64KB ROM，以及看门狗定时器，增强了系统稳定性。 6. **封装与尺寸**: CSR1000 QFN采用32引脚QFN封装，尺寸仅为5x5x0.6mm，0.5mm间距，这使得它非常适合小型化设计，特别适合空间受限的应用场景。 7. **产品版本**: 数据手册中提到的是CSR1000A03版本，这可能代表一个特定的工艺节点或优化改进，而Issue 6则表示该文档是第六版，包含了最新的设计信息和更新。 BlueCore CSR1000 QFN是一个强大的低功耗蓝牙解决方案，它集成了蓝牙连接能力、多种接口、传感器接口以及必要的电源管理和内存组件，为开发出高效、节能的物联网设备提供了理想的硬件基础。

8.3 Input/Output Terminal Characteristics ................................................................................................. 27

8.3.1 Switch-mode Regulator .......................................................................................................... 27

8.3.2 Low-voltage Linear Regulator ................................................................................................ 28

8.3.3 Digital Terminals .................................................................................................................... 28

8.4 ESD Protection .................................................................................................................................... 29

9 Current Consumption .................................................................................................................................... 30

10 CSR Green Semiconductor Products and RoHS Compliance ..................................................................... 31

11 CSR1000 QFN Software Stack .................................................................................................................... 33

12 Ordering Information ..................................................................................................................................... 34

12.1 CSR1000 QFN Development Kit Ordering Information ....................................................................... 34

13 Tape and Reel Information ........................................................................................................................... 35

13.1 Tape Orientation .................................................................................................................................. 35

13.2 Tape Dimensions ................................................................................................................................. 36

13.3 Reel Information .................................................................................................................................. 37

13.4 Moisture Sensitivity Level .................................................................................................................... 37

14 Document References .................................................................................................................................. 38

Terms and Definitions ............................................................................................................................................ 39

List of Figures

Figure 1.1 Device Pinout .................................................................................................................................... 8

Figure 3.1 Clock Architecture ........................................................................................................................... 14

Figure 3.2 Crystal Driver Circuit ....................................................................................................................... 14

Figure 3.3 Sleep Clock Crystal Driver Circuit ................................................................................................... 15

Figure 4.1 Baseband Digits Block Diagram ...................................................................................................... 17

Figure 5.1 Example of an I²C Interface EEPROM Connection ......................................................................... 20

Figure 5.2 Memory Boot-up Sequence ............................................................................................................ 21

Figure 6.1 Voltage Regulator Configuration ..................................................................................................... 23

Figure 7.1 Example Application Schematic ...................................................................................................... 25

Figure 11.1 Software Architecture ...................................................................................................................... 33

Figure 13.1 Tape Orientation ............................................................................................................................. 35

Figure 13.2 Tape Dimensions ............................................................................................................................ 36

Figure 13.3 Reel Dimensions ............................................................................................................................. 37

List of Tables

Table 3.1 Crystal Specification ......................................................................................................................... 15

Table 3.2 Sleep Clock Specification ................................................................................................................. 16

Table 5.1 Possible UART Settings ................................................................................................................... 19

Table 5.2 SPI Master Serial Flash Memory Interface ....................................................................................... 20

Table 5.3 Instruction Cycle for a SPI Transaction ............................................................................................ 21

Table 6.1 Pin States on Reset .......................................................................................................................... 24

Table 6.2 Power-on Reset ................................................................................................................................ 24

Table 8.1 ESD Handling Ratings ...................................................................................................................... 29

Table 9.1 Current Consumption ....................................................................................................................... 30

Table 10.1 Chemical Limits for Green Semiconductor Products ........................................................................ 31

Contents

CS-200545-DSP6

Advance Information

This material is subject to CSR's non-disclosure agreement

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