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Infineon Technologies S6J311EJACSE20000
- Part No.:
- S6J311EJACSE20000
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
S6J311EJACSE20000.pdf
- Description:
- TRAVEO-55NM
- Quantity:
- Payment:
- Shipping:
Inventory:4,686
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Product details
Overview
S6J311EJACSE20000 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-R5 automotive microcontroller designed for in-vehicle real-time control applications. It operates at up to 144 MHz, integrates 4096 KB + 64 KB program flash and 256 KB system SRAM, supports dual CAN-FD channels with 192 message buffers per channel, and targets body control modules, gateway ECUs, and ADAS sensor interfaces.
For engineers reviewing the S6J311EJACSE20000 datasheet, S6J311EJACSE20000 pinout, S6J311EJACSE20000 application, or S6J311EJACSE20000 equivalent, key selection criteria include Cortex-R5 real-time determinism, SEC-DED ECC on TCM ports, LIN 2.1 and CAN-FD protocol compliance, 12-bit dual A/D converters (64 total channels), and LEP176 package thermal performance in automotive ambient conditions.
Technical Context
The S6J311EJACSE20000 implements a dual-issue superscalar Arm v7/Thumb-2 Cortex-R5 core with 16-area MPU, 16 KB instruction and 16 KB data caches, and dedicated AXI master/slave interfaces for deterministic peripheral access. Its TCM architecture includes separate ATCM and BTCM ports with SEC-DED ECC protection on RAM accesses.
It integrates two independent CAN-FD controllers compliant with ISO 11898-1:2015 (v3.2.0), each supporting 1 Mbps transfer speed and 40 MHz clock input, alongside 22-channel multi-function serial interfaces-including LIN-UART with Synch break generation-and a calibration-capable RTC driven by CR oscillation (100 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-R5, 32-bit, dual-issue superscalar, 8-stage pipeline - enables hard real-time deterministic execution for safety-critical vehicle functions. |
| Max Operating Frequency | 144 MHz - delivers sufficient compute headroom for concurrent CAN-FD, LIN, and A/D processing in ECU gateways. |
| Flash Memory | 4096 KB + 64 KB program flash, 112 KB work flash - supports secure firmware updates and dual-bank operation for fail-safe boot. |
| RAM | 64 KB TCRAM (ECC-protected), 256 KB system SRAM, 64 KB backup RAM - ensures data retention during low-power modes and runtime integrity. |
| CAN-FD Interface | 2 channels, 192 RX/32 TX message buffers per channel, 1 Mbps - enables high-bandwidth communication between domain controllers and sensors. |
| A/D Converter | Two 12-bit successive approximation units, 64 total channels (32+32) - provides precise analog sensing for battery monitoring, HVAC, and lighting control. |
| Package | LEP176 (176-pin LQFP with exposed pad) - optimized for automotive thermal dissipation and board-level reliability under 105°C ambient. |
Pinout & Package
Package: LEP176 - 176-pin low-profile quad flat package with exposed thermal pad, qualified for automotive AEC-Q100 Grade 2 (−40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO_0–VDDIO_15 | I/O Power Supply | 16 independent 5 V I/O rails - enable voltage domain isolation for mixed-signal interface robustness. |
| VDDA | Analog Power Supply | Dedicated 5 V analog supply - reduces noise coupling into A/D converter reference paths. |
| VSSA | Analog Ground | Separate analog ground plane connection - maintains 12-bit A/D accuracy under dynamic load switching. |
| XTAL_IN / XTAL_OUT | Main Clock Oscillator | 4 MHz crystal interface - provides primary timing source for CPU and peripheral clocks with clock supervisor monitoring. |
| CRIN / CROUT | CR Oscillator | 100 kHz ceramic resonator interface - serves as failover clock and RTC timebase with programmable calibration. |
| CAN0_TX / CAN0_RX | CAN-FD Channel 0 | Differential CAN physical layer I/O - supports ISO 11898-1:2015 compliant bus communication at up to 1 Mbps. |
| LIN0_TX / LIN0_RX | LIN-UART Channel 0 | Single-wire LIN 2.1 interface - enables slave-mode diagnostics and master-mode network initialization without external transceiver. |
Key Features
| Feature | Design Value |
|---|---|
| SEC-DED ECC on TCM ports | 1-bit correction / 2-bit detection on ATCM/BTCM - prevents silent data corruption in time-critical control code execution. |
| Dual CAN-FD with 192-message buffers | Hardware message filtering and prioritization per channel - eliminates software overhead in high-throughput vehicle networks. |
| CR oscillator calibration | RTC drift compensation via prescaler ratio adjustment using main clock reference - achieves ±10 ppm accuracy over temperature without external TCXO. |
| Peripheral I/O relocation | Runtime remapping of UART/CAN/LIN pins across multiple GPIO groups - simplifies PCB layout and enables functional redundancy in ECU designs. |
| Hardware watchdog + NMI | Dedicated watchdog timer with windowing and non-maskable interrupt input - meets ASIL-B fault detection requirements for automotive control loops. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Real-time deterministic controller executing safety-monitored state machines with LIN and CAN-FD coordination. Use Value: Dual CAN-FD channels handle domain-specific traffic while LIN-UART manages low-cost sensor nodes, reducing BOM cost versus discrete protocol bridges. | Use Scenario: Aggregation and routing of messages between powertrain, chassis, and infotainment domains in zonal architectures. IC Role / Device Role / Timing Role: High-integrity message router with hardware-accelerated filtering, buffering, and protocol translation. Use Value: 192-message buffer per CAN-FD channel enables zero-loss buffering during burst traffic, preventing frame loss during OTA updates or diagnostic sessions. |
| ADAS Camera Sensor Interface | Electric Power Steering (EPS) Controller |
Use Scenario: Pre-processing and timestamping of raw image sensor data before transmission to vision processor. IC Role / Device Role / Timing Role: Time-synchronized A/D acquisition node with precise input capture for trigger alignment. Use Value: 12-bit dual A/D with 64-channel support captures analog sensor feedback (e.g., lens position, temperature) with sub-microsecond sampling consistency. | Use Scenario: Closed-loop motor control with torque feedback, position sensing, and fault monitoring in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-aware real-time executor of PMSM FOC algorithms with hardware CRC and watchdog supervision. Use Value: Cortex-R5 MPU with 16 memory regions enforces strict separation between control, safety monitor, and communication stacks per ISO 26262 ASIL-B partitioning. |
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 RH850 core, 120 MHz max, 2 MB flash, single CAN-FD, no integrated LIN-UART | Stronger focus on powertrain control; lacks native LIN 2.1 support requiring external transceiver | Preferred when CAN-FD bandwidth demand is lower and LIN is handled externally. |
| TC375 | TriCore™ AURIX™, 300 MHz, 4 MB flash, 3 CAN-FD, 2 LIN, but larger LQFP-292 package | Higher ASIL-D capability and more CAN channels; requires more PCB area and higher power budget | Selected for high-end gateway or domain controller where additional protocol channels justify footprint increase. |
Compared with RH850/F1K and TC375, the S6J311EJACSE20000 offers optimal balance of Cortex-R5 real-time predictability, integrated LIN-UART, compact LEP176 footprint, and automotive-grade flash endurance-making it ideal for mid-tier body/gateway ECUs where cost, size, and protocol integration are co-constrained.
Availability
S6J311EJACSE20000 is available at Aetrix Electronics and suitable for body control modules, vehicle gateway ECUs, ADAS sensor interfaces, and electric power steering controllers requiring stable component supply across automotive production lifecycles.
Supply support for S6J311EJACSE20000 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 AEC-Q100 qualification coverage.
The TRAVEO™ T1G family, including the S6J311EJACSE20000, was developed to deliver scalable, ASIL-B-capable real-time control for automotive body electronics and domain gateways-emphasizing protocol integration, functional safety, and long-term supply stability.
FAQ
What is the maximum operating junction temperature for S6J311EJACSE20000?
The S6J311EJACSE20000 is qualified to AEC-Q100 Grade 2, with a maximum junction temperature of +125°C. Its LEP176 package features an exposed thermal pad that must be soldered to a dedicated PCB copper pour for effective heat dissipation under continuous 144 MHz operation.
Does S6J311EJACSE20000 support JTAG debugging in production mode?
Yes, JTAG debug access remains available in production mode, but only after successful authentication via the Secure Hardware Extension (SHE). The device implements JTAG port locking and test interface security to prevent unauthorized firmware extraction or modification during field operation.
How is flash security implemented on S6J311EJACSE20000?
Flash security uses a combination of region-based write protection, read-out protection (ROP) levels, and SHE-managed key derivation. Once ROP level 2 is enabled, flash contents cannot be read via SWD/JTAG, and debug access requires cryptographic challenge-response authentication using device-unique keys stored in fused OTP memory.
Can the internal CR oscillator be used as the sole clock source for real-time clock operation?
Yes-the CR oscillator (100 kHz) can serve as the RTC clock source, and its frequency drift is compensated dynamically using calibration data derived from the 4 MHz main crystal. This allows the RTC to maintain ±10 ppm accuracy over −40°C to +105°C without external timing components.
S6J311EJACSE20000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- Traveo™ T1G
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-R5
- Core Size:
- 32-Bit
- 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):
- 4.5V ~ 5.25V
- Data Converters:
- A/D 64x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S6J311EJACSE20000 FAQ
1.How can I place an order for S6J311EJACSE20000 through Aetrix?
Please submit a Request for Quotation (RFQ) for S6J311EJACSE20000 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 S6J311EJACSE20000 reliable?
The price and inventory of S6J311EJACSE20000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S6J311EJACSE20000 is usually 5 days.
3.What payment methods are accepted for S6J311EJACSE20000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S6J311EJACSE20000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S6J311EJACSE20000?
S6J311EJACSE20000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S6J311EJACSE20000 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 S6J311EJACSE20000?
For technical support, including S6J311EJACSE20000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S6J311EJACSE20000 requirements.
6.How does Aetrix verify that S6J311EJACSE20000 is sourced from the original manufacturer or authorized distributors?
All S6J311EJACSE20000 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 S6J311EJACSE20000 meets industry standards.
7.What is the process for return or replacement of S6J311EJACSE20000?
All S6J311EJACSE20000 units undergo pre-shipment inspection (PSI). If there is an issue with S6J311EJACSE20000, 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 S6J311EJACSE20000 part is unused and in its original packaging.
Return procedure for S6J311EJACSE20000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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