Rafavi Automotive safety MCUs - RA8 series

The RA8 family is a series of high performance MCU products for vehicles. This family integrates functional security kernels with information security kernels that support high levels of performance. This line of products integrates CAN, LIN, and high - speed Ethernet application network. The RA8 supports up to ASIL-D level of functional safety requirements for chassis applications such as steering, braking and engine control units.

Model	RA8L	RA8
Core	Application Core: Cortex-M7; Secure Core: Cortex-M0
Core Qty.	2 (Lockstep) + 1
Flash	2MB	4MB
SRAM	256KB	512KB
Secure RAM	64KB	64KB
DSP	Yes
FPU	Double Precision
Embedded HSM	EVITA Full ECC、SHA、SM2/3/4…
CAN-FD	Up to 8	Up to 8
LIN	4	4
Ethernet	100M/1000M TSN	100M/1000M TSN
SPI	6	6
QSPI	2	2
UART	4	4
DMA	32	32
ADC	48	48
SENT	6	6
I2C	2	2

RA8 Block Diagram

rafavi ra8 ra8L series mcu frame

features

• system

- Power supply: 5V, 3.3V and 1.2V at the same time;

- Application kernel: a set of Cortex-M7 dual-core lockstep, main frequency up to 240MHz, up to 600 Dhrystone MIPS;

- Security kernel: a cortex-M0 kernel, 48MHz;

- Interrupt controller: two sets of NVIC;

- Hardware single increment counter: supports 64-bit system counter

- DMA controller: 32 safe DMA channels;

- Debugging control: the application system supports ARM CoreSight JTAG debugging and Trace debugging; Information security system does not support any debugging, only support internal configuration and call;

- Power mode: support normal operation, low power mode, sleep mode and other power modes;

-Operating temperature: -40-125 °C;

- IO level: supports 5V IO and 3.3V IO.

• memory

- system Flash: up to 4MB ECC;

- System RAM: up to 512KB ECC;

- security Flash: 512KB ECC;

- Secure RAM: 64KB ECC;

- QSPI: a single QSPI supports a maximum of 256 MB external storage.

• communication

- CAN: supports up to 8 channel CAN-FD, compatible with CAN 2.0B;

-LIN: supports a maximum of eight channels.

- Ethernet: 1000 MBIT/s TSN Ethernet supports MII, RMII, and GMII interfaces. 100M Ethernet supports RGMII interface.

- UART: supports a maximum of 4 channels and a baud rate of 5 Mbit/s.

- QSPI: supports a maximum of two groups. Each group supports one input and two outputs. The baud rate is up to 10 Mbit/s.

-spi: supports a maximum of 6 channels and a baud rate of up to 10Mbps.

- SENT: supports a maximum of six routes.

- I2C: supports a maximum of two groups.

- I2S: supports a maximum of two groups.

- SDIO: supports a maximum of 1 group.

- I3C: supports a maximum of 2 groups;

• simulation

- Supports up to 6 sets of 48 12-bit successive approximation adCs;

• the timer

- GTM GEN4.1: 32-bit universal timer, supports up to 32 channel TIM, 32 channel TOM, 64 channel TIO and 24 channel MCS;

- FTM: 16-bit flexible timer, supports up to 8 groups of 64 channels, supports input capture, output comparison and orthogonal codec functions;

The clock,

- FIRC: internal high speed clock frequency 48MHz;

- SIRC: internal low speed clock frequency 32kHz;

- FXOSC: external input clock frequency 40MHz;

• Functional safety

-IO monitor;

-Security DMA;

- Reset control unit;

- Safety management unit;

- Failure control engine;

- Window type watchdog;

- Temperature failure detection;

- Overvoltage and undervoltage detection;

• certification

- ISO 26262 ASIL-D

- OSCCA Certification Grade 2

- EAL4+

- AEC-Q100 Certification Grade1

• packaging

- BGA-180

- LQFP-100

• Information security

- Support high-speed ECDSA (NIST-P256);

- SM2;

- SM3;

- RSA (a maximum of 2048 bits).

ECC - 256;

- SHA - 256;

- AES;

- DES;

- SM4;