S3A1单片机系列是监控应用的理想选择,对于多服务提供以及持续功能升级,S3A1单片机系列可提供充足的扩展空间,可以优化的功耗低、高性能,内置Arm®Cortex®-M4内核,CPU运行速度高达48 MHz 、拥有1 MB的闪存及192 KB SRAM。另具备12位D/A转换器,以及多个32位通用PWM计时器和串行通信

Industrial Flow Measurement

室内外气象站

S3A1系列单片机拥有大容量片上SRAM及闪存,可直接驱动段式LCD玻璃显示屏,读取电容式触控按钮,是气象站显示屏等应用的不二选择。通过SSI接口进行丰富的音频输入及输出,QSPI总线存储器录入数据,并使用USB连接,为开辟新功能提供了可能性。

 48 MHz Arm® Cortex®-M4 CPU

 Memory

Code flash (1 MB)
Data flash (8 KB)
SRAM (192 KB)
Flash Cache
Memory Protection Unit
Memory Mirror Function

 Analog

14-Bit A/D Converter (28 ch.)
12-Bit D/A Converter
Low-Power Analog Comparator x2
8-Bit D/A Converter x2
OPAMP x4
Temperature Sensor

 Timing & Control

General PWM Timer 32-Bit x4
General PWM Timer 16-Bit x6
Asynchronous General Purpose Timer x2
WDT

 HMI

Capacitive Touch Sensing Unit (26 ch.)
Segment LCD Controller

 Connectivity

USBFS
CAN | SDHI/MMC
Serial Communications Interface x6
QSPI | SPI x2
I2C x3 | SSI
External Memory Bus

 System & Power Management

DMA Controller (4 ch.)
Data Transfer Controller
Event Link Controller
Low Power Modes
Multiple Clocks
Port Function Select
RTC
SysTick
Low Voltage Detection

 Safety

ECC in SRAM
SRAM Parity Error Check
Flash Area Protection
ADC Diagnostics
Clock Frequency Accuracy Measurement Circuit
CRC Calculator
Data Operation Circuit
Port Enable Output for GPT
IWDT

 Security and Encryption

128-Bit Unique ID
TRNG
AES (128/256)
GHASH

Key Features:  S3A1 Series

PROCESSOR CORE
Package Type LGA, BGA, LQFP
Pin Count 64 to 145
Operating Voltage Range (V) 1.6 - 5.5
Operating Temperature Range (degC) -40 to 105
MEMORY
Code Flash (KB) 1024
Data Flash (KB) 8
SRAM (KB) 192
CONNECTIVITY
CAN (ch) 1
Serial Communiation Interface (ch) 6
IrDA No
QSPI Yes
SPI (ch) 2
External Memory Bus Yes
USBFS Yes
SDHI No
SYSTEM & POWER MANAGEMENT
DMA Controller (ch) 4
Data Transfer Controller 1
RTC 1
TIMING AND CONTROL
General PWM Timer 32-Bit (ch) 0
Asynchronous General purpose Timer 2
WDT 1
ANALOG
12-Bit A/D Converter (ch) 0
14-Bit A/D Converter (ch) 18 to 28
16-Bit A/D Converter (ch) 0
24-Bit Sigma-Delta A/D Converter (ch) 0
12-Bit D/A Converter (ch) 1
8-Bit D/A Converter (ch) 2
General PWM Timer 16-Bit (ch) 6
High-Speed Analog Comparator (ch) 0
Low-Power Analog Comparator (ch) 2
OPAMP (ch) 3 to 4 
Temperature Sensor (ch) 1
HMI
Capacitive Touch Sensing Unit (ch) 14 to 27
Segment LCD Controller Yes
SECURITY AND ENCRYPTION
128-bit Unique ID Yes
TRNG Yes
AES (128/256) Yes
GHASH Yes
Safety Yes
ECC SRAM Yes

Pin Count / Memory Size Lineup:

Program Flash
SRAM

1024KB
192KB
Pins
Package
64
LQFP
100
LQFP
100
LGA
121
BGA
144
LQFP
145
LGA
您可以使用下方的筛选器来筛选样例程序和应用手册。

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