S3A3 MCU Group

Ideal for portable medical and fitness devices with smart connected sensors, the S3A3 MCU Group has the optimal combination of low power and high performance, with an ARM® Cortex®-M4 CPU core running up to 48 MHz, 512 KB of flash memory, and 96 KB of SRAM. It includes a segment LCD controller, Capacitive Touch Sensing Unit, USB 2.0 Full-Speed, rich set of analog and timing peripherals, power management, and safety and security features.
Patient Monitor

PATIENT MONITOR

Ability to drive up to 384 segments on a custom display glass along with floating point and DSP math operations, precision analog signal measurement, data logging with direct SD card interface, capacitive touch, USB Full-Speed, and a real-time clock, make it simple for the S3A3 Group MCUs to realize portable patient monitoring applications with extreme power efficiency.

Products

R7FS3A37A2A01CLJ
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R7FS3A37A3A01CFB
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R7FS3A37A3A01CFP
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R7FS3A37A2A01CLK
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R7FS3A37A2A01CBJ
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R7FS3A37A3A01CNB
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R7FS3A37A3A01CFM
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Part Details

Series
S3 Series
S3 Series
S3 Series
S3 Series
S3 Series
S3 Series
S3 Series
S3 Series
Package Type
LGA
LQFP
LQFP
LGA
BGA
QFN
LQFP
Pin Count
100
144
100
145
121
64
64
Operating Voltage Range (V)
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
1.6 - 5.5
Operating Temperature Range (degC)
-40 to 85
-40 to 105
-40 to 105
-40 to 85
-40 to 85
-40 to 105
-40 to 105

Memory

Code Flash (KB)
512.0
512.0
512.0
512.0
512.0
512.0
512.0
512.0
Data Flash (KB)
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
SRAM (KB)
96.0
96.0
96.0
96.0
96.0
96.0
96.0
96.0

Connectivity

1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Yes
Yes
Yes
Yes
Yes
No
No
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
8
16/8
8
16/8
8
-
-
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No

Analog

25.0
28.0
25.0
28.0
26.0
18.0
18.0
-
-
-
-
-
-
-
-
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
4.0
4.0
4.0
4.0
4.0
3.0
3.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0

System & Power Management

4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
RTC
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0

Timing and control

0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
WDT
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0

HMI

27.0
27.0
27.0
27.0
27.0
24.0
24.0
4 com x 38 seg or 8 com x 34 seg
4 com x 54 seg or 8 com x 50 seg
4 com x 38 seg or 8 com x 34 seg
4 com x 54 seg or 8 com x 50 seg
4 com x 46 seg or 8 com x 42 seg
4 com x 21 seg or 8 com x 17 seg
4 com x 21 seg or 8 com x 17 seg

Security and Encryption

128-bit Unique ID
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
TRNG
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
AES(128/256)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
GHASH
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes

Safety

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
ECC SRAM
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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FIND THE RIGHT MCU

Compare features, functionality, and performance across the series and determine the right MCU for your project.

PART FINDER