My Inquiry
My Account
NXP Semiconductors S912XEQ512F1MAAR
- Part No.:
- S912XEQ512F1MAAR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
S912XEQ512F1MAAR.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,222
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S912XEQ512F1MAAR 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 operates at up to 50 MHz bus frequency and supports -40°C to 125°C ambient temperature - deployed in body control modules for CAN/LIN gateway functions, power driver control, and sensor interfacing.
For engineers reviewing the S912XEQ512F1MAAR datasheet, S912XEQ512F1MAAR pinout, S912XEQ512F1MAAR application, or S912XEQ512F1MAAR equivalent, key selection criteria include Flash ECC support, XGATE offloading capability for CAN/LIN, 144-pin LQFP package compatibility, and automotive-grade temperature range compliance.
Technical Context
The S912XEQ512F1MAAR implements a dual-core architecture: the 16-bit CPU12X executes main application code while the programmable XGATE co-processor handles time-critical I/O tasks-including full CAN mailbox management and LIN frame processing-at up to 100 MIPS, independent of CPU intervention. Its Memory Protection Unit (MPU) defines eight address regions with 8-byte granularity and enforces no-write/no-execute policies.
System integrity is reinforced by ECC on Flash (1-bit correction / 2-bit detection), IPLL with spread-spectrum clock modulation for EMC reduction, and dual-voltage regulator design separating I/O and core supplies. The device supports non-multiplexed external bus interface only in 144-pin LQFP and 208-pin MAPBGA packages - confirmed for this variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | CPU12X 16-bit core, instruction-set compatible with MC9S12 except five removed fuzzy instructions - ensures legacy S12 software portability. |
| Flash Memory | 512 KB with ECC (64 data + 8 syndrome bits), enabling single-bit fault correction and double-bit fault detection during read/program/erase cycles. |
| RAM | 32 KB on-chip SRAM - sufficient for real-time task stacks, XGATE buffers, and CAN message queues in body control applications. |
| Operating Voltage | 3.3 V ±5% to 5.0 V +10%, with separate VDDIO/VDDCORE supplies - allows optimized EMC filtering and mixed-voltage peripheral interfacing. |
| Temperature Range | -40°C to 125°C - qualified for under-hood automotive environments including junction box and lighting control units. |
| Bus Frequency | 50 MHz maximum CPU bus frequency - delivers deterministic real-time response for PWM, ATD, and timer-based actuator control. |
| XGATE Performance | 100 MIPS RISC co-processor running at 100 MHz - offloads CAN/LIN protocol handling, freeing CPU for higher-layer diagnostics and state management. |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch, case no 918-03). Pinout validated per MC9S12XE Data Sheet "Port Availability by Package Option" table for 144LQFP configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDIO, VDDPLL | Power supply inputs | Dedicated pins for core, I/O, and PLL regulators - enable independent decoupling and noise isolation critical for automotive EMC compliance. |
| RESET, IRQ, XIRQ | Reset and interrupt inputs | Asynchronous reset with POR/LVD supervision; XIRQ provides non-maskable high-priority entry for safety-critical events. |
| PORTA–PORTP | General-purpose I/O ports | Up to 119 GPIOs across 144LQFP; configurable pull-up/down, hysteresis, and drive strength - supports direct LED/driver control and wake-up from STOP mode. |
| CAN0–CAN3, SCI0–SCI2, SPI0–SPI2 | Peripheral interface signals | Four CAN controllers (CAN0–CAN3), three SCIs, and three SPIs - enables multi-bus gateway functionality without external transceivers. |
| ATD0[0–7], ECT0–ECT7 | Analog and timer inputs | 8-channel 10-bit ATD with 3 µs conversion time; eight 16-bit ECT channels - supports real-time battery voltage monitoring and PWM timing synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Protection Unit (MPU) | Eight configurable address regions with 8-byte granularity and no-write/no-execute attributes - enforces ASIL-B–aligned partitioning between safety and non-safety software tasks. |
| XGATE Co-processor | Programmable in C, handles CAN mailbox servicing and LIN frame encoding/decoding autonomously - reduces CPU load by >70% in gateway use cases. |
| ECC-Protected Flash | 64-bit data + 8-bit syndrome per word - corrects single-bit errors in Flash during runtime, meeting ISO 26262 functional safety requirements for permanent storage. |
| Enhanced ATD Converter | 10-bit resolution, 3 µs single-conversion time, internal oscillator for Stop-mode operation - enables accurate battery sensing and thermal monitoring without external components. |
| IPLL with Spread Spectrum | Internally filtered phase-locked loop with configurable frequency modulation - reduces peak EMI emissions by up to 10 dB, easing CISPR 25 Class 5 compliance. |
Applications
| Body Control Module (BCM) | Gateway Controller |
|---|---|
Use Scenario: Centralized vehicle body electronics managing door locks, lighting, wipers, and HVAC via CAN and LIN networks. IC Role / Device Role / Timing Role: Primary MCU executing body control logic, coordinating CAN/LIN traffic, and driving power MOSFETs via PWM outputs. Use Value: XGATE offloads CAN message filtering and LIN scheduling, enabling deterministic 10-ms cycle times for safety-critical lock/unlock sequences. |
Use Scenario: In-vehicle network bridge routing messages between high-speed CAN (powertrain) and low-speed LIN (sensor/actuator) domains. IC Role / Device Role / Timing Role: Dual-bus interface controller with real-time protocol translation and message prioritization based on identifier mapping. Use Value: Four integrated CAN modules and three SCIs eliminate need for external protocol translators, reducing BOM cost and PCB area by 35%. |
| Lighting Control Unit | Seat/Mirror Position Memory |
Use Scenario: Adaptive front-lighting system (AFS) controlling HID/LED headlamps with tilt/swivel actuators and ambient light compensation. IC Role / Device Role / Timing Role: Real-time PWM generator with synchronized ATD feedback for closed-loop brightness and position control. Use Value: 8-channel 10-bit ATD and 8-channel PWM with center-aligned output ensure flicker-free dimming and <±0.5° actuator positioning accuracy. |
Use Scenario: Non-volatile storage and recall of driver seat/mirror positions using emulated EEPROM over D-Flash. IC Role / Device Role / Timing Role: Persistent memory manager with automatic EEE file handling and buffer-to-D-Flash transfer on reset. Use Value: 4 KB emulated EEPROM (32 KB D-Flash) retains >100,000 write cycles and survives 10-year data retention at 125°C - exceeds OEM durability specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAB | 1 MB Flash, 64 KB RAM, 208-pin MAPBGA, 5 CAN modules - larger memory and I/O count but incompatible pinout and package. | Targeted at high-end gateway or domain controller requiring >512 KB code space and expanded peripheral set. | Select when scaling beyond 512 KB application code or needing 152 GPIOs; requires PCB redesign due to MAPBGA footprint. |
| S912XDP512J1MAL | Same 512 KB Flash and 144-pin LQFP, but lacks MPU, ECC, and XGATE - based on older S12XD architecture. | Suitable for cost-sensitive body modules where ASIL-B compliance or CAN offload is not required. | Choose for legacy S12X migration paths without safety or performance upgrades; lower BOM cost but no ECC or MPU. |
Compared with S912XEQ512F1MAAR, MC9S12XEP100MAB offers greater memory and I/O scalability but mandates board-level redesign, while S912XDP512J1MAL provides pin-compatible cost reduction at the expense of system integrity features essential for modern automotive gateways.
Availability
S912XEQ512F1MAAR is available at Aetrix Electronics and suitable for automotive body control modules, gateway controllers, lighting systems, and seat/mirror memory units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S912XEQ512F1MAAR 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in automotive microcontrollers dating to the Motorola era.
The S912XEQ512F1MAAR belongs to the MC9S12XE family - engineered specifically for automotive body electronics demanding enhanced system integrity, CAN/LIN gateway functionality, and ASIL-B–aligned memory protection.
FAQ
What is the maximum operating temperature specification for the S912XEQ512F1MAAR?
The S912XEQ512F1MAAR is rated for operation from -40°C to +125°C ambient temperature, qualifying it for under-hood automotive applications such as junction boxes and lighting control units. This rating is verified per Freescale's qualification standards and applies to the full 144-pin LQFP package variant. Thermal derating is not required within this range, and the on-chip temperature sensor supports real-time monitoring.
Does the S912XEQ512F1MAAR include hardware error correction for Flash memory?
Yes, the S912XEQ512F1MAAR integrates Error Correction Code (ECC) on its 512 KB Flash memory, using 64 data bits plus 8 syndrome bits per word to provide single-bit fault correction and double-bit fault detection during all read, program, and erase operations - a key requirement for ISO 26262 ASIL-B compliance.
How many CAN controllers are integrated into the S912XEQ512F1MAAR?
The S912XEQ512F1MAAR includes four CAN controllers (CAN0 through CAN3), each compliant with CAN 2.0A/B protocols and supporting bit rates up to 1 Mbps. These are fully supported by the XGATE co-processor for FULL-CAN mailbox management, enabling concurrent handling of multiple CAN buses in gateway applications.
Is the S912XEQ512F1MAAR pin-compatible with other MC9S12XE family members in the 144-pin LQFP package?
Yes, the S912XEQ512F1MAAR shares identical pinout and electrical characteristics with other 144-pin LQFP variants in the MC9S12XE family, including S912XEQ384 and S912XET256 - enabling scalable memory selection without PCB layout changes, provided peripheral usage aligns with the specific derivative's module count.
What development tools are officially supported for the S912XEQ512F1MAAR?
The S912XEQ512F1MAAR is supported by NXP's legacy CodeWarrior Development Studio for S12(X), P&E Micro BDM interfaces, and third-party toolchains from IAR Systems and Cosmic Software. Hardware evaluation is enabled via the EVB9S12X evaluation board, which provides full 144-pin access, CAN/LIN transceivers, and USB-BDM debugging - all documented in the MC9S12XE Family Product Brief Rev. 9.
S912XEQ512F1MAAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- Series:
- HCS12X
- Packaging:
- Tape & Reel (TR)
- 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:
- 59
- 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 8x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S912XEQ512F1MAAR FAQ
1.How can I place an order for S912XEQ512F1MAAR through Aetrix?
Please submit a Request for Quotation (RFQ) for S912XEQ512F1MAAR 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 S912XEQ512F1MAAR reliable?
The price and inventory of S912XEQ512F1MAAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512F1MAAR is usually 5 days.
3.What payment methods are accepted for S912XEQ512F1MAAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512F1MAAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S912XEQ512F1MAAR?
S912XEQ512F1MAAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S912XEQ512F1MAAR 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 S912XEQ512F1MAAR?
For technical support, including S912XEQ512F1MAAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512F1MAAR requirements.
6.How does Aetrix verify that S912XEQ512F1MAAR is sourced from the original manufacturer or authorized distributors?
All S912XEQ512F1MAAR 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 S912XEQ512F1MAAR meets industry standards.
7.What is the process for return or replacement of S912XEQ512F1MAAR?
All S912XEQ512F1MAAR units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512F1MAAR, 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 S912XEQ512F1MAAR part is unused and in its original packaging.
Return procedure for S912XEQ512F1MAAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S912XEQ512F1MAAR 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…
