My Inquiry
My Account
NXP Semiconductors S912XEQ512BCAL
- Part No.:
- S912XEQ512BCAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S912XEQ512BCAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,599
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S912XEQ512BCAL from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 512 KB on-chip Flash memory with ECC, 32 KB RAM, and integrated MSCAN, XGATE co-processor, and enhanced ATD converter. It delivers deterministic real-time control in body electronics modules requiring CAN/LIN communication, PWM-driven actuators, and sensor signal acquisition at -40°C to 125°C ambient.
For engineers reviewing the S912XEQ512BCAL datasheet, S912XEQ512BCAL pinout, S912XEQ512BCAL application, or S912XEQ512BCAL equivalent, key selection criteria include its 144-pin LQFP package, dual ATD converters (8/10/12-bit, 8-channel each), 6 MSCAN modules, XGATE co-processor operating at 100 MHz, and Memory Protection Unit (MPU) for ASIL-B–capable system integrity.
Technical Context
The S912XEQ512BCAL implements a 16-bit CPU12X core with full MC9S12 instruction set compatibility (excluding five fuzzy instructions), executing at up to 50 MHz bus frequency. Its architecture integrates an independent XGATE RISC co-processor running at 100 MHz, enabling offload of time-critical CAN, LIN, SPI, and timer interrupt handling without CPU intervention.
System integrity is enforced via hardware-level features: Memory Protection Unit (MPU) with eight configurable address regions (8-byte granularity), Flash ECC supporting 1-bit correction/2-bit detection, and dual-voltage regulator design separating I/O and core supplies for optimized EMC performance across automotive temperature ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core, compatible with MC9S12 ISA (no MEM/WAV/REV instructions), supports large data segments independent of PPAGE. |
| Flash Memory | 512 KB Flash with ECC: enables single-bit error correction and double-bit fault detection per 64-bit word during read/program/erase cycles. |
| RAM | 32 KB on-chip RAM, accessible by both CPU and XGATE without wait states for deterministic peripheral servicing. |
| ADC | Two independent ATD modules, each with 8-channel multiplexer, 8/10/12-bit resolution, and 3 µs 10-bit conversion time - supports analog wake-up and Stop-mode operation. |
| CAN Interfaces | 6 MSCAN modules (CAN0–CAN5), CAN 2.0A/B software-compatible, programmable bit rate up to 1 Mbps, with FULL-CAN capability when paired with XGATE. |
| XGATE Co-processor | Programmable RISC engine running at 100 MHz, handles data movement, logic, and bit manipulation; services all peripherals and triggers CPU interrupts upon completion. |
| Operating Temperature | -40°C to 125°C ambient range - qualified for under-hood automotive applications including body control modules and gateways. |
| Supply Voltage | 3.3 V ±5% / +10% to 5.0 V +10%, with separate VREG and I/O supply pins enabling independent EMC filtering and robust noise immunity. |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch, case no. 918-03). Non-multiplexed external bus interface available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power Supply Inputs | Dedicated supplies for digital core (VDD), analog subsystem (VDDA), and PLL (VDDPLL) - enable independent filtering and stable clock generation. |
| VSS, VSSA, VSSPLL | Ground Returns | Separate ground paths for digital, analog, and PLL domains - minimize coupling noise and ensure ADC accuracy and PLL jitter performance. |
| XTAL, EXTAL | Oscillator Terminals | Connect to 4–16 MHz crystal for OSC_LCP; support full-swing Pierce mode up to 40 MHz - provide low-jitter clock source for IPLL multiplier. |
| RESET | Active-Low Reset Input | Asynchronous reset input with internal pull-up; initiates power-on reset (POR), illegal address recovery, or COP timeout response. |
| MODB, MODA | Mode Selection Inputs | Configure boot mode (Normal, Special Bootstrap, Background Debug) at power-up - determine flash initialization and BDM access behavior. |
| PORTA–PORTP | General-Purpose I/O Ports | Up to 119 GPIO pins across 17 ports; configurable as digital input/output with hysteresis, pull-up/down, and drive strength control - support wake-up from STOP/WAIT modes. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | Eight user-definable address regions with 8-byte granularity; enforces no-write/no-execute attributes and triggers non-maskable interrupt on violation - supports ASIL-B software partitioning. |
| Enhanced XGATE Coprocessor | 100 MIPS RISC engine with dual interrupt levels; executes C code, manages CAN/LIN message queues, and transfers data between peripherals and RAM without CPU wait states. |
| Full-CAN with XGATE Offload | Enables unlimited mailbox count and zero-CPU-overhead CAN message handling - sustains 1 Mbps throughput across all six MSCAN modules simultaneously. |
| ECC-Protected Flash & D-Flash | 64-bit data + 8-bit syndrome ECC per word; supports automated program/erase with verify, sector erase (1024 B), and security lock - ensures long-term reliability in safety-critical firmware storage. |
| Multi-Channel ATD with Wake-Up | Two independent converters, each with 8 analog inputs, selectable resolution (8/10/12-bit), and analog-compare-triggered wake-up from STOP mode - enables low-power sensor monitoring. |
| Spread-Spectrum IPLL | Internally filtered phase-locked loop with configurable frequency modulation - reduces electromagnetic emissions without external components, easing EMC certification. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU managing PWM outputs for motor drivers, reading analog sensor signals (temperature, position), and coordinating CAN/LIN communication with distributed nodes. Use Value: MPU-enforced task isolation prevents firmware faults in one subsystem (e.g., lighting) from compromising critical functions (e.g., door unlock); XGATE offloads CAN message scheduling to guarantee deterministic response. |
Use Scenario: Protocol translation and message routing between high-speed CAN FD backbone and low-speed LIN subnetworks (e.g., mirror, seat, climate). IC Role / Device Role / Timing Role: Real-time gateway controller performing frame forwarding, filtering, and diagnostics bridging while maintaining strict timing deadlines for safety-related messages. Use Value: Six independent MSCAN modules allow concurrent connection to multiple CAN networks; XGATE handles protocol parsing and retransmission, freeing CPU for higher-layer diagnostics and OTA update management. |
| Chassis Domain Controller | Advanced Lighting Control |
Use Scenario: Integration point for brake light, hazard, and turn signal coordination across front/rear modules using CAN and local PWM dimming. IC Role / Device Role / Timing Role: Safety-aware controller executing ASIL-B–compliant logic with ECC-protected Flash, MPU-guarded memory regions, and redundant sensor input validation. Use Value: Dual ATD converters acquire synchronized analog feedback from current-sense resistors and thermistors; ECC and MPU jointly satisfy ISO 26262 requirements for fault detection and containment. |
Use Scenario: Adaptive LED headlight control with dynamic beam shaping, thermal derating, and diagnostic reporting via UDS over CAN. IC Role / Device Role / Timing Role: High-precision PWM generator with center-aligned outputs, fast emergency shutdown, and real-time thermal monitoring via on-chip ATD channels. Use Value: 8-channel 16-bit PWM supports independent dimming of multiple LED strings; internal oscillator enables ATD conversions during STOP mode for continuous thermal sampling without CPU wake-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAG | 1 MB Flash, 64 KB RAM, 208-pin MAPBGA, 8-channel ATD, 5 MSCAN modules - larger memory and I/O count but no XGATE-enhanced LIN master capability. | Targeted at high-end body controllers requiring >512 KB code space and expanded peripheral count; lacks LIN-specific XGATE firmware acceleration present in S912XEQ512BCAL. | Select when application requires >512 KB Flash and external memory interface; avoid if LIN master timing determinism is critical. |
| S912XDP512F0MLH | Same 512 KB Flash and 32 KB RAM, but only 4 MSCAN modules, no XGATE co-processor, and 112-pin LQFP package - reduced CAN capacity and no hardware offload for communications. | Suitable for cost-sensitive body nodes with limited CAN requirements (e.g., interior lighting only); cannot sustain FULL-CAN performance or multi-network gateway operation. | Select for simpler, lower-pin-count designs where XGATE offload and six-CAN support are unnecessary; not suitable for gateway or ASIL-B–level integrity. |
Compared with MC9S12XEP100MAG and S912XDP512F0MLH, the S912XEQ512BCAL uniquely balances 512 KB ECC Flash, six MSCAN modules, and XGATE-based FULL-CAN/LIN offload in a 144-pin LQFP package - making it optimal for mid-tier automotive gateways and body controllers requiring deterministic real-time performance without footprint expansion.
Availability
S912XEQ512BCAL is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, chassis domain controllers, and advanced lighting systems requiring stable component supply across extended temperature and long product lifecycles.
Supply support for S912XEQ512BCAL 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in automotive microcontrollers dating back to Motorola and Freescale.
The S12XE family - including the S912XEQ512BCAL - was designed specifically for automotive body electronics and gateway applications demanding enhanced system integrity, real-time determinism, and functional safety support up to ASIL-B.
FAQ
What is the maximum bus frequency supported by the S912XEQ512BCAL?
The S912XEQ512BCAL supports a maximum CPU bus frequency of 50 MHz and an XGATE bus frequency of 100 MHz. This is achieved via its internally filtered Frequency Modulated Phase Locked Loop (IPLL), which multiplies the crystal oscillator input without requiring external components. The 50 MHz CPU speed enables real-time execution of complex body control algorithms, while the 100 MHz XGATE ensures zero-latency offload of CAN, LIN, and SPI transactions in the S912XEQ512BCAL.
Does the S912XEQ512BCAL include hardware memory protection?
Yes, the S912XEQ512BCAL integrates a Memory Protection Unit (MPU) with eight configurable address regions, each adjustable down to 8-byte granularity. It enforces no-write and no-execute attributes and triggers a non-maskable interrupt on access violation. This hardware MPU is essential for implementing ASIL-B–compliant software partitioning in automotive applications and is a distinguishing feature of the S912XEQ512BCAL versus earlier S12D derivatives.
How many CAN modules does the S912XEQ512BCAL support, and what is their compliance level?
The S912XEQ512BCAL supports six fully independent MSCAN modules (CAN0 through CAN5), all compliant with CAN 2.0A and 2.0B protocols. Each module supports standard and extended identifiers, programmable bit rates up to 1 Mbps, and hardware FIFOs. When used with the XGATE co-processor, the S912XEQ512BCAL achieves FULL-CAN performance - enabling simultaneous transmission/reception across all six CAN interfaces without CPU intervention.
What analog-to-digital capabilities does the S912XEQ512BCAL provide?
The S912XEQ512BCAL integrates two independent ATD converters, each with an 8-channel analog multiplexer, selectable 8/10/12-bit resolution, and a minimum 3 µs conversion time for 10-bit results. Both ATD modules support external/internal trigger sources, signed/unsigned left/right-justified output, and wake-up from STOP mode on analog comparison match - making them ideal for real-time sensor monitoring in automotive body control applications using the S912XEQ512BCAL.
Is the S912XEQ512BCAL pin-compatible with other S12XE family members?
The S912XEQ512BCAL is pin-compatible within the 144-pin LQFP variant group of the S12XE family, including S912XEP768 and S912XEQ384. Pin mappings for power, reset, oscillator, and core I/O are identical across these variants; however, peripheral enablement (e.g., number of MSCAN modules, ATD channels, or SCI instances) differs per derivative and is controlled by mask options and configuration registers - not pin count. This allows scalable design reuse when migrating to higher-memory S12XE variants.
S912XEQ512BCAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12X
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 50MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEQ512BCAL FAQ
1.How can I place an order for S912XEQ512BCAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512BCAL 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 S912XEQ512BCAL reliable?
The price and inventory of S912XEQ512BCAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512BCAL is usually 5 days.
3.What payment methods are accepted for S912XEQ512BCAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512BCAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512BCAL?
S912XEQ512BCAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512BCAL 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 S912XEQ512BCAL?
For technical support, including S912XEQ512BCAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512BCAL requirements.
6.How does Aetrix verify that S912XEQ512BCAL is sourced from the original manufacturer or authorized distributors?
All S912XEQ512BCAL 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 S912XEQ512BCAL meets industry standards.
7.What is the process for return or replacement of S912XEQ512BCAL?
All S912XEQ512BCAL units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512BCAL, 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 S912XEQ512BCAL part is unused and in its original packaging.
Return procedure for S912XEQ512BCAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S912XEQ512BCAL Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
