Ideal for control applications that need to drive a segment LCD panel, the S3A6 MCU Group has the optimal combination of low power and high performance, with an ARM® Cortex® -M4 CPU core running up to 48 MHz, 256 KB of flash memory, and 32 KB of SRAM. It includes a segment LCD controller, Capacitive Touch Sensing Unit, USB 2.0 Full-Speed, 14-bit A/D Converter, 12-bit D/A Converter, temperature sensor, and safety and security features. 

Industrial Flow Measurement

Appliance Control

Simultaneous control using precision timers, analog measurement, capacitive touch input, and multiple I/O, make the S3A6 Group MCUs an excellent fit for home appliance applications. The S3A6 Group’s self-test capability, in compliance with IEC 60730 Household Appliance Safety Standards, simplifies product certification.

 48 MHz Arm® Cortex®-M4 CPU

 Memory

Code flash (256 KB)
Data flash (8 KB)
SRAM (32 KB)
Flash Cache
Memory Protection Unit

 Analog

14-Bit A/D Converter (25 ch.)
12-Bit D/A Converter
Low-Power Analog Comparator x2
OPAMP x4
Temperature Sensor

 Timing & Control

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

 HMI

Capacitive Touch Sensing Unit (27 ch.)
Segment LCD Controller

 Connectivity

USBFS
CAN | SPI x2
Serial Communications Interface x4
II2C x3 | SSI x2

 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:  S3A6 Series

PROCESSOR CORE
Package Type LGA, QFN, LQFP
Pin Count 40 to 100
Operating Voltage Range (V) 1.6 - 5.5
Operating Temperature Range (degC) -40 to 105
MEMORY
Code Flash (KB) 256
Data Flash (KB) 8
SRAM (KB) 32
CONNECTIVITY
CAN (ch) 1
Serial Communiation Interface (ch) 4
IrDA No
QSPI No
SPI (ch) 1 to 2
External Memory Bus No
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 0 to 2
WDT 1
ANALOG
12-Bit A/D Converter (ch) 0
14-Bit A/D Converter (ch) 11 to 25
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) 2 to 6
High-Speed Analog Comparator (ch) 0
Low-Power Analog Comparator (ch) 1 to 2
OPAMP (ch) 0 to 4 
Temperature Sensor (ch) 1
HMI
Capacitive Touch Sensing Unit (ch) 10 to 27
Segment LCD Controller Yes/No
(depend on device)
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

512KB
96KB
Pins
Package
40
QFN
48
QFN
48
LQFP
64
QFN
64
LQFP
100
LQFP
100
LGA
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