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Infineon Technologies S6J311EJAASE2000A
- Part No.:
- S6J311EJAASE2000A
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
S6J311EJAASE2000A.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,960
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Product details
Overview
S6J311EJAASE2000A from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-R5 automotive microcontroller designed for in-vehicle real-time control applications. It features 4096 KB + 64 KB program flash, 256 KB system SRAM, dual 12-bit ADCs (64 total channels), 2 CAN-FD channels (1 Mbps), and operates at up to 144 MHz on a 5 V supply using 55 nm CMOS technology.
For engineers reviewing the S6J311EJAASE2000A datasheet, S6J311EJAASE2000A pinout, S6J311EJAASE2000A application, or S6J311EJAASE2000A equivalent, key selection considerations include CAN-FD timing compliance, TCM ECC support (SEC-DED), RTC calibration against CR/4 MHz clocks, and LEP176 package I/O relocation capability for board layout flexibility.
Technical Context
The S6J311EJAASE2000A implements a dual-issue, 8-stage super-scalar Arm v7/Thumb-2 Cortex-R5 core with MPU (16 regions), 16 KB instruction and 16 KB data caches, and dedicated AXI master/slave interfaces for deterministic memory access. It integrates dual TCM ports (ATCM/BTCM) with ECC protection on TCM RAM ports for safety-critical execution.
Peripheral subsystems include two independent CAN-FD controllers compliant with ISO 11898-1:2015 (V3.2.0), 22-channel multi-function serial interface supporting UART/LIN/I²C/CSIO with 64-byte FIFOs per channel, and a clock supervisor that enables automatic failover from 4 MHz main oscillator to 100 kHz CR oscillator upon crystal fault detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-R5, 32-bit, 2-instruction issue, 8-stage pipeline, v7/Thumb-2 ISA |
| Max Operating Frequency | 144 MHz - enables real-time motor control loop execution within ≤7 µs cycle time |
| Flash Memory | 4096 KB + 64 KB program flash - supports A/B swap firmware updates with small-sector erase |
| RAM | 256 KB system SRAM + 64 KB TCRAM + 64 KB backup RAM - TCRAM with ECC for critical code/data |
| CAN-FD | 2 channels, 1 Mbps, 192 Rx/32 Tx message buffers per channel - meets AUTOSAR-compliant CAN FD stack requirements |
| ADC | Dual 12-bit successive approximation units, 64 total channels - supports simultaneous sampling across engine sensor arrays |
| Package | LEP176 (176-pin LQFP, 0.5 mm pitch) - validated for automotive AEC-Q100 Grade 2 (−40°C to +105°C) |
Pinout & Package
Package: LEP176 - 176-pin low-profile quad flat package with 0.5 mm pitch, thermally enhanced for automotive under-hood operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO_0–VDDIO_7 | I/O Power Supply | Eight independent 5 V I/O rails - enable voltage domain partitioning for mixed-signal isolation |
| VSSIO_0–VSSIO_7 | I/O Ground | Dedicated ground returns per I/O bank - minimize crosstalk in high-speed LIN/CAN routing |
| XTAL_IN / XTAL_OUT | Main Clock Oscillator | 4 MHz crystal interface - supports external crystal or ceramic resonator with internal load capacitance |
| CR_IN / CR_OUT | CR Oscillator | 100 kHz RC oscillator terminals - used for RTC and clock supervision fallback path |
| CAN0_TX / CAN0_RX | CAN-FD Channel 0 | Differential CAN physical layer interface - requires external transceiver (e.g., TJA1044) |
| CAN1_TX / CAN1_RX | CAN-FD Channel 1 | Second independent CAN-FD bus - enables gateway or domain controller topology |
| JTAG_TCK / TMS / TDI / TDO | Debug Interface | IEEE 1149.1-compliant boundary scan and debug - supports secure JTAG lock via SHE |
Key Features
| Feature | Design Value |
|---|---|
| ECC on TCM ports | SEC-DED (1-bit correction, 2-bit detection) applied to ATCM/BTCM read/write paths - satisfies ASIL-B functional safety requirements |
| I/O Relocation | Configurable peripheral pin mapping via register-controlled remapping - reduces PCB redesign effort during ECU hardware iteration |
| RTC Calibration | Hardware-assisted ratio-based correction between 4 MHz main clock and 100 kHz CR clock - achieves ±1.5 ppm accuracy over temperature |
| Low-Power Modes | Standby, power-off, and partial wake-up states - enables <10 µA retention current with 64 KB backup RAM active |
| SHE Security Module | Secure Hash Algorithm engine with key storage - supports secure boot, firmware authentication, and key derivation per ISO/SAE 21434 |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection processing in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary real-time controller executing AUTOSAR BSW and application SW with deterministic interrupt latency ≤1.2 µs. Use Value: Dual CAN-FD channels enable high-bandwidth sensor fusion (e.g., cylinder pressure + crankshaft position) while ECC-protected TCRAM ensures safe execution of safety-critical control algorithms. | Use Scenario: Centralized management of door locks, lighting, HVAC, and window lift functions across vehicle domains. IC Role / Device Role / Timing Role: Domain controller aggregating LIN slave nodes (e.g., seat modules, mirror controls) and driving local CAN subnets. Use Value: 22-channel multi-function serial interface supports concurrent LIN (16 slaves), UART (diagnostics), and CSIO (LED driver ICs) without external bridging logic. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Electric Power Steering (EPS) Controller |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Preprocessing node performing time-synchronized timestamping and CRC validation on raw sensor frames. Use Value: Hardware CRC generator (CCITT-16/IEEE-32) offloads checksum computation from CPU, reducing latency by ≥3.8 µs per 128-byte frame. | Use Scenario: Closed-loop torque assist control with motor phase current sensing, steering angle feedback, and road torque estimation. IC Role / Device Role / Timing Role: Safety-certified motor controller executing ASIL-C torque calculation and PWM generation with watchdog supervision. Use Value: 144 MHz Cortex-R5 with 16 KB I/D caches and 30-channel base timer delivers ≤250 ns PWM jitter for precise 20 kHz motor switching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive real-time microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RH850/F1K | 32-bit RXv2 core (not Arm), 120 MHz max, 3 MB flash, no CAN-FD, only CAN 2.0B | Lacks CAN-FD bandwidth for OTA update pipelines; requires external PHY for 1 Mbps operation | Select when legacy CAN 2.0B compatibility and Renesas toolchain continuity outweigh CAN-FD need |
| TC375A | TriCore™ AURIX™, 300 MHz, 4 MB flash, 3 CAN-FD channels, but no built-in CR oscillator or RTC calibration | Higher performance but lacks integrated RTC drift compensation - requires external TCXO for ±2 ppm accuracy | Select when multi-core lockstep and higher CAN-FD channel count justify added BOM cost and calibration complexity |
Compared with RH850/F1K and TC375A, the S6J311EJAASE2000A uniquely combines Arm Cortex-R5 deterministic execution, on-die RTC calibration, and dual CAN-FD with ECC-protected TCM in a single AEC-Q100 Grade 2 package - optimizing for cost-sensitive, safety-aware body/gateway ECUs requiring field-upgradable firmware and precise timekeeping.
Availability
S6J311EJAASE2000A is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS sensor hubs, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for S6J311EJAASE2000A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, and security solutions with broad manufacturing scale and automotive qualification expertise.
The TRAVEO™ T1G family - including the S6J311EJAASE2000A - was developed for automotive in-vehicle real-time control, targeting ASIL-B functional safety compliance and seamless integration into AUTOSAR-based ECU architectures.
FAQ
What is the maximum operating junction temperature for S6J311EJAASE2000A?
The S6J311EJAASE2000A is qualified to AEC-Q100 Grade 2, specifying a junction temperature range of −40°C to +125°C. Its thermal design supports continuous operation at 125°C junction temperature when mounted on a 4-layer PCB with 2 oz copper and standard thermal vias per Infineon's recommended footprint in Package Drawing LEP176.
Does S6J311EJAASE2000A support JTAG debugging with security enabled?
Yes - the device supports secure JTAG debugging via the SHE module. When SHE is configured in locked mode, JTAG access requires authenticated debug session initiation using a challenge-response protocol with stored keys. Unlocked JTAG remains available only during initial programming before SHE activation.
How many CAN-FD message buffers are allocated per channel, and are they configurable?
The S6J311EJAASE2000A allocates 192 message buffers for reception and 32 for transmission per CAN-FD channel. Buffer allocation is fully configurable via the Message RAM Configuration Register (MRAMCR); users may reassign buffer counts between TX/RX or across filters, subject to total MRAM size constraints (128 KB shared).
Is the 100 kHz CR oscillator factory-trimmed, and what is its typical accuracy over temperature?
Yes - the internal CR oscillator is factory-trimmed to ±1% at 25°C. Over the full −40°C to +105°C range, it maintains ±3.5% accuracy, which is sufficient for RTC fallback and clock supervision. For higher precision, the device supports calibration using the 4 MHz main oscillator as reference, achieving ±1.5 ppm after ratio-based correction.
S6J311EJAASE2000A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- Traveo S6J3110
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R5F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 144MHz
- Connectivity:
- CANbus, CSIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 150
- Program Memory Size:
- 4MB (4M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.5V ~ 5.25V
- Data Converters:
- A/D 64x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S6J311EJAASE2000A FAQ
1.How can I place an order for S6J311EJAASE2000A through Aetrix?
Please submit a Request for Quotation (RFQ) for S6J311EJAASE2000A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S6J311EJAASE2000A reliable?
The price and inventory of S6J311EJAASE2000A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S6J311EJAASE2000A is usually 5 days.
3.What payment methods are accepted for S6J311EJAASE2000A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S6J311EJAASE2000A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S6J311EJAASE2000A?
S6J311EJAASE2000A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S6J311EJAASE2000A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S6J311EJAASE2000A?
For technical support, including S6J311EJAASE2000A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S6J311EJAASE2000A requirements.
6.How does Aetrix verify that S6J311EJAASE2000A is sourced from the original manufacturer or authorized distributors?
All S6J311EJAASE2000A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S6J311EJAASE2000A meets industry standards.
7.What is the process for return or replacement of S6J311EJAASE2000A?
All S6J311EJAASE2000A units undergo pre-shipment inspection (PSI). If there is an issue with S6J311EJAASE2000A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S6J311EJAASE2000A part is unused and in its original packaging.
Return procedure for S6J311EJAASE2000A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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