SYD8810 Datasheet
1
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SYD8810: 超低功耗蓝牙 SoC 芯片
1.1 综述
SYD8810 是一款超低功耗高性能 2.4GHz 蓝牙低功
耗 SoC,集成了高性能 2.4GHz 蓝牙射频收发机、
32 位 64MHz ARM Cortex-M0 处理器、512kB Flash
存储器、以及丰富的数字接口。SYD8810 片上集成
了 Balun 无需阻抗匹配网络,无需外挂晶振负载电
容,最大限度地节省 BOM 成本。此外,片上还集
成了高效率 DCDC 降压转换器以实现超低功耗,适
合用于可穿戴、智能家居、物联网设备等。
1.2 特点
完全兼容蓝牙低功耗 4.2 标准;
2.8mA 接收电流,4.8mA 发射电流;
32 位 Cortex-M0 处理器,最高操作频率 64MHz;
低功耗高性能 2.4GHz 蓝牙射频收发机,片上集
成 Balun 无需片外阻抗匹配网络,最大幅度减
小 BOM 成本和硬件开发难度;
八通道 10 位 1MSPS SAR ADC;
SoC 集成 512kB Flash 和 32kB Data RAM,支持空
中升级功能;
32MHz 和 32.768kHz 晶体振荡器,片上集成负
载电容,无需外挂负载电容,节省 BOM 成本
和 PCB 面积;
高效率 DCDC 降压转换器;
集成快速起振 64MHz 和 32.768kHz RC 振荡器;
正交解码器;
支持 ISO7816 接口;
支持红外发射和接收;
提供多种通信接口:
Master I2C x2
Master Three SPI &Four-Wire SPI
UART x2
数字外设:
PWM x6
RTC
GPIO 功能可任何配置;
支持 SWD 在线仿真和调试;
1.3 应用
可穿戴器件
智能家居
蓝牙遥控
健康应用
人机接口设备
1.4 关键参数
参数
值
最大发射功率
+4 dBm
接收灵敏度
-94 dBm
射频发射机电流
@0dBm*
4.8 mA
射频接收机电流 *
2.8 mA
睡眠模式电流
2.7 µA
Flash 大小
512 kB
Data RAM 大小
32 kB
电源电压
1.8~3.6 V
GPIO 数量
21
操作温度, Tj
-40 ~ +105 °C
封装尺寸
5.0 x 5.0 x 1.0 mm
*在 VDD=3V,DCDC 使能的条件下测量所得;
欲知更多信息,请访问我们的主页:
http://www.sydtek.com
SYD8810 Datasheet
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目录
SYD8810: 超低功耗蓝牙 SoC 芯片 ......................................................................................................................................... 1
1.1 综述 ......................................................................................................................................................................... 1
1.2 特点 ......................................................................................................................................................................... 1
1.3 应用 ......................................................................................................................................................................... 1
1.4 关键参数 ................................................................................................................................................................. 1
2.0 芯片介绍..................................................................................................................................................................... 4
2.1 概述 ......................................................................................................................................................................... 4
2.2 术语 ......................................................................................................................................................................... 4
2.3 管脚定义和信号描述 ............................................................................................................................................. 4
2.3.1 QFN32 管脚定义和信号描述 ........................................................................................................................... 5
3.0 工作指标..................................................................................................................................................................... 8
3.1 绝对最大工作额定值 ............................................................................................................................................. 8
3.2 推荐工作条件 ......................................................................................................................................................... 8
3.3 温度范围 ................................................................................................................................................................. 8
3.4 直流特性 ................................................................................................................................................................. 9
3.5 交流和时序特性 ..................................................................................................................................................... 9
3.5.1 上电顺序 ........................................................................................................................................................... 9
3.5.2 32MHz 晶体振荡器 .......................................................................................................................................... 9
3.5.3 32.768kHz 晶体振荡器 ................................................................................................................................... 10
3.5.4 64MHz RC 振荡器 ........................................................................................................................................... 11
3.5.5 32.768kHz RC 振荡器 ...................................................................................................................................... 11
3.6 射频特性 ............................................................................................................................................................... 11
3.6.1 发射机射频指标 ............................................................................................................................................. 11
3.6.2 接收机射频指标 ............................................................................................................................................. 12
4.0 参考设计................................................................................................................................................................... 13
4.1 应用原理图 ........................................................................................................................................................... 13
4.2 Layout 注意事项 ................................................................................................................................................... 14
5.0 机械参数................................................................................................................................................................... 15
5.1 机械尺寸 ............................................................................................................................................................... 15
5.2 封装标识 ............................................................................................................................................................... 16
6.0 系统状态和模式....................................................................................................................................................... 17
6.1 操作模式 ............................................................................................................................................................... 17
7.0 系统描述................................................................................................................................................................... 18
7.1 ARM Cortex M0 ..................................................................................................................................................... 18
7.2 存储器 ................................................................................................................................................................... 18
7.3 蓝牙低功耗核 ....................................................................................................................................................... 18
7.4 射频收发器 ........................................................................................................................................................... 19
7.5 通用 ADC ............................................................................................................................................................... 20
SYD8810 Datasheet
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7.6 电源管理 ............................................................................................................................................................... 21
7.6.1 DCDC 降压转换器 ........................................................................................................................................... 21
7.7 通用输入输入端口 GPIO...................................................................................................................................... 22
7.8 定时器 Timer ........................................................................................................................................................ 22
7.8.1 Low Speed Timer ............................................................................................................................................. 22
7.8.2 High Speed Timer ............................................................................................................................................ 22
7.9 实时时钟 (RTC) ..................................................................................................................................................... 22
7.10 看门狗(WDT) ........................................................................................................................................................ 22
7.11 固件加密 ............................................................................................................................................................... 22
7.12 AES 加密................................................................................................................................................................ 22
8.0 外设........................................................................................................................................................................... 23
8.1 键盘扫描 ............................................................................................................................................................... 23
8.2 正交解码器 ........................................................................................................................................................... 23
8.3 脉宽调制(PWM) ................................................................................................................................................... 23
8.3.1 高速 PWM ....................................................................................................................................................... 23
8.3.2 低速 PWM ....................................................................................................................................................... 23
9.0 数字接口................................................................................................................................................................... 25
9.1 UART ...................................................................................................................................................................... 25
9.2 I2C ......................................................................................................................................................................... 25
9.3 SPI .......................................................................................................................................................................... 26
9.3.1 封包格式 ......................................................................................................................................................... 26
9.3.2 写操作 ............................................................................................................................................................. 26
9.3.3 读操作 ............................................................................................................................................................. 27
9.4 ISO-7816-3 ............................................................................................................................................................. 28
9.5 红外发射和接收 ................................................................................................................................................... 29
9.5.1 红外发射器 ..................................................................................................................................................... 29
9.5.2 红外接收器 ..................................................................................................................................................... 30
10.0 订购信息................................................................................................................................................................... 31
文档修订历史 ...................................................................................................................................................................... 31
SYD8810 Datasheet
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2.0 芯片介绍
2.1 概述
SYD8810 集成了 32 位 ARM® Cortex®-M0 处理器,射频收发机,蓝牙调制解调器,蓝牙 4.2 基带,Flash 和
RAM 存储,片上 Balun,以及 SPI/I2C/UART 等丰富的数字接口。该 Cortex® M0 可以在计算需求高的应用中最
高操作在 64MHz,同时也可以在简单数据通信应用中降频操作以节省电流。SYD8810 集成了 DCDC 开关电源
降压转换器,以提供一个低功耗整体解决方案,从而适合用于可穿戴,智能家居,物联网等低功耗应用中。
图 1 描述了芯片的架构,后面我们会详细讲述不同模块的功能信息。
Flash 256kB
AES128
ARM Crotex-M0
64MHz Core
SWD
64MHz
RCOSC
32MHz
XTAL
32.768kHz
XTAL
BT 4.2 Smart
Radio Transceiver
BT 4.2 Smart
MAC
GPIO MULTIPLEXING
BUCK
DCDC
LDOs
POR
BOR
32.768kHz
RCOSC
Analog CommHIDTimer
32M PWM x6
32k Timer x4
WDT
Quadrature
Detector
UART1
/UART2
SPI1
/SPI2
I2C1
/I2C2
8-CH 10b
SARADC
WLEDx3
AHB Bridge
BAT
Indicator
ISO 7816
IR Tx/Rx
Data RAM 32kB
RTC
Cache RAM 16kB
20x8 Keyscan
图 1. 功能模块架构图
2.2 术语
符号
描述
GND
地
BiDir
双向
PWM
脉宽调制
HID
人机接口器件
GPIO
通用输入输出管脚
2.3 管脚定义和信号描述
SYD8810 Datasheet
5
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2.3.1 QFN32 管脚定义和信号描述
272829303132
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
SYD8810
QFN32
P0.25
P0.30/AIN6
VSS
DCC
VDD
P0.28/AIN4
DEC1
P0.00/XL1
P0.01/XL2
P0.04/AIN2
P0.05/AIN3
P0.06
P0.09
P0.10
P0.20
P0.18
P0.16
P0.15
P0.14
P0.12
P0.19
VDD
XC1
ANT
P0.24
P0.23
P0.22
SWDIO
SWDCLK
Exposed die pad
26
DEC4
.
VDD
25
P0.21/nRESET
图 2. QFN32 封装管脚定义(5mm*5mm)
表 2.QFN32 封装 信号管脚描述
Pin
Name
Type
Description
Left side of chip
1
DEC1
Power
1.1V 数字 LDO 输出,接 0.1uF 去耦电容
2
P0.00
XL1
Digital I/O
Analog input
通用输入/输出端口
32.768 kHz 晶振端口 1(LFXO)
3
P0.01
XL2
Digital I/O
Analog input
通用输入/输出端口
32.768 kHz 晶振端口 2(LFXO)
4
P0.04
AIN2
Digital I/O
Analog input
通用输入/输出端口
SAADC 输入
5
P0.05
AIN3
Digital I/O
Analog input
通用输入/输出端口
SAADC 输入
6
P0.06
Digital I/O
通用输入/输出端口
电容触控输入
7
P0.09
Digital I/O
通用输入/输出端口