Renesas Electronics Corporation
Search
RA2A1 Block Diagram

R7FA2A1AB3CNF#AC0

Obsolete
32-bit Microcontrollers with 48MHz Arm Cortex-M23 and Integration of 24-bit Sigma-Delta ADC
Renesas RA2A1 Group DatasheetRenesas RA2A1 Group User's Manual: HardwareLearn more about RA2A1

Package Information

CAD Model:View CAD Model
Pkg. Type:HWQFN
Pkg. Code:pkg_11859
Lead Count (#):40
Pkg. Dimensions (mm):6 x 6 x 0.8
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
ECCN (US)3A991.a.2
HTS (US)8542.31.0025
RoHS (R7FA2A1AB3CNF#AC0)EnglishJapanese
Pb (Lead) FreeYes

Product Attributes

Carrier TypeBulk (Tray)
Family NameRA
Series NameRA2
Group NameRA2A1
Floating Point UnitNo
Program Memory (KB)256
Data Flash (KB)8
RAM (KB)32
ECC SRAMYes
Lead Count (#)40
Pitch (mm)0.5
Pkg. Dimensions (mm)6 x 6 x 0.8
Supply Voltage (V)1.6 - 5.5
I/O Ports25
DMAC or DTCDTC
Temperature Sensor (ch) (#)1
Power-On ResetYes
Watchdog Timer (ch)2
External Memory Bus (bit)No
AcceleratorNo
MOQ1
Temp. Range (°C)Ta = -40 to +105
External Interrupt Pins (#)8
LVD or PVDYes
Operating Freq (Max) (MHz)48
Sub-clock (32.768 kHz)Yes
On-chip OscillatorYes
Ethernet (ch)0
EtherCat (ch) (#)0
USB FS (host ch/device ch)( 0 / 1 )
USB HS (host ch/device ch)( 0 / 0 )
SCI or UART (ch)3
SPI (ch)2
OSPI (ch)0
I2C (#)2
I3C (ch)0
CAN (ch)1
CAN-FD (ch)0
WirelessNo
IrDANo
LIN (#)0
SDHI (ch)0
PWM Output (pin#)0
32-Bit Timer (ch)1
16-Bit Timer (ch) (#)4
8-Bit Timer (ch)0
RTCYes
16-Bit A/D Converter (ch)8
14-Bit A/D Converter (ch)0
12-Bit A/D Converter (ch)0
10-Bit A/D Converter (ch)0
24-Bit Sigma-Delta A/D Converter (ch)4
12-Bit D/A Converter (ch)1
8-Bit D/A Converter (ch)2
OPAMP (ch) (#)1
PGA (ch)0
Capacitive Touch Sensing Unit (ch)11
Graphics LCD ControllerNo
MIPI Interfaces (DSI) (ch)0
Camera I/F (Parallel)No
Image CodecNo
2D Drawing EngineNo
Segment LCD ControllerNo
SSI (ch)0
Security & EncryptionUnique ID, TRNG, AES
Debug InterfaceSWD
Moisture Sensitivity Level (MSL)3
12-Bit Timer (ch)0
16-bit Enhanced Timer (ch)0
16-bit High Res Timer (ch)0
32-Bit High Res Timer (ch)0
32-Bit ULPT (ch)0
ADC16-bit x 8-ch(single end), 16-bit x 1-ch(differential), 24-bit x 4-ch(single end), 24-bit x 2-ch(differential)
Asynchronous General Purpose Timer (ch)2
Bit Size32
CAN InterfaceCAN x 1ch
CPUArm Cortex-M23
DAC8-bit x 2-ch, 12-bit x 1-ch
DMADTC
DTC (ch)1
Delta-Sigma A/D ConverterNo
EthernetNo
External Memory Bus (Bits)0
Family NameRA
Group NameRA2A1
High-Speed Analog Comparator (ch)1
Human Machine InterfaceCapacitive Sensing Unit 26ch
Lead CompliantYes
Length (mm)6
Low-Power Analog Comparator (ch)2
MIPI Interfaces (DSI/CSI)No
Pb (Lead) FreeYes
Pkg. TypeQFN
Price (USD)$3.7228
QSPI Interface (#)0
SPI (#)2
Suggested KitsEK-RA2A1,EK-RA2A1
Tape & ReelNo
Thickness (mm)0.8
TimerAsynchronous Timer x 2ch, 16-bit x 4-ch, 32-bit x 1-ch
UART (#)3
USBUSB Peripheral, USB Ports (ch) x 1, USB Endpoints x 5
USBFS (ch)1
USBHS (ch)0
Width (mm)6

Description

The RA2A1 group is a high-performance, low-power analog microcontroller based on an Arm® Cortex®-M23 core with a 48MHz clock frequency and a wide range of analog front ends, including two types of A/D converters. This group supports a 16-bit SAR A/D converter, a 24-bit sigma-delta A/D converter, a 12-bit D/A converter, comparators, and operational amplifiers. These functions are suitable for applications that measure and adjust sensor signals with high accuracy. In addition, UART, I2C, simple SPI, CAN, and USB 2.0 Full-Speed are also integrated as peripheral functions, enabling easy communication with other devices. The RA2A1 supports a wide operating voltage range of 1.6V to 5.5V, enabling communication with devices operating at 5V without level shifters. The RA2A1 MCU targets industrial sensor applications with low power consumption and low-cost advantage.

Learn more about RA2A1