My Inquiry
My Account
NXP Semiconductors S9S12G48F0MLF
- Part No.:
- S9S12G48F0MLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12G48F0MLF.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,623
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S12G48F0MLF from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 48 KB on-chip Flash with ECC, 4 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports -40°C to +125°C ambient temperature, and includes 10-bit ADC (8-channel), 8-bit DAC, PWM, and BDM debug interface. It targets engine control units, body electronics, and transmission modules requiring ASIL-B capable MCU-level safety features.
For engineers reviewing the S9S12G48F0MLF datasheet, S9S12G48F0MLF pinout, S9S12G48F0MLF application, or S9S12G48F0MLF equivalent, key selection criteria include Flash size (48 KB), AEC-Q100 Grade 1 qualification, 16-bit CPU12 core architecture, CAN bus integration, and support for background debug via single-wire BKGD pin - all critical for automotive ECU design validation and production ramp.
Technical Context
The S9S12G48F0MLF implements the CPU12 core with 16-bit data path, Harvard architecture, and 24-bit addressing. Its memory subsystem includes 48 KB Flash (with error correction), 4 KB SRAM, and 512 B EEPROM emulation via Flash. Clock generation relies on internal RC oscillator (1–8 MHz), external crystal (1–33 MHz), and IPLL for stable 25 MHz system clock.
Peripheral integration includes one MSCAN module compliant with ISO 11898-1, eight 10-bit ADC channels with configurable sample time and trigger sources, eight PWM channels with center-aligned/edge-aligned modes, and full BDM protocol support over BKGD pin for non-intrusive debugging and flash programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit address bus - enables deterministic real-time control and legacy S12 software compatibility. |
| Flash Memory | 48 KB on-chip Flash with ECC - ensures program integrity in harsh automotive environments and supports field firmware updates. |
| SRAM | 4 KB on-chip SRAM - sufficient for real-time task stacks, CAN message buffers, and ADC result storage without external memory. |
| Operating Temperature | -40°C to +125°C (Grade 1) - qualified per AEC-Q100 for under-hood automotive applications including engine management. |
| CAN Interface | One MSCAN 2.0B module with 15 message objects - provides robust, fault-tolerant serial communication for distributed vehicle networks. |
| ADC Resolution & Channels | 10-bit SAR ADC with 8 input channels and programmable conversion speed - supports sensor signal acquisition for throttle position, coolant temp, and oxygen sensors. |
| PWM Outputs | 8-channel 8-bit PWM with independent period/duty control - enables precise actuator drive for fuel injectors, fan control, and solenoid valves. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BKGD | Background Debug Pin | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time register inspection during development and diagnostics. |
| RESET | Active-Low Reset Input | Asynchronous reset assertion clears CPU registers and initializes peripherals - compatible with external watchdog or power-on reset ICs. |
| XTAL / EXTAL | Crystal Oscillator Inputs | Supports 4–8 MHz crystal for primary clock source; enables high-accuracy timing for CAN bit rate and ADC sampling synchronization. |
| CANH / CANL | CAN Bus Differential Pair | Direct connection to ISO 11898-2 physical layer transceiver - no external level-shifting required for standard CAN bus implementation. |
| VDDA / VSSA | Analog Power Supply | Dedicated 5 V analog domain supply - isolates noise-sensitive ADC and DAC circuits from digital switching noise for <1 LSB INL performance. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 48 KB Flash with single-bit error correction and double-bit error detection - prevents silent corruption of control code in ECU applications. |
| AEC-Q100 Grade 1 Qualification | Validated for operation from -40°C to +125°C ambient - meets automotive thermal requirements without derating for engine bay placement. |
| Integrated MSCAN Module | Full CAN 2.0B compliance with automatic retransmission, error confinement, and 15 message object buffers - reduces external component count and PCB area. |
| Background Debug (BDM) | Single-pin BKGD interface supporting flash erase/write, register read/write, and breakpoint execution - eliminates need for JTAG header in space-constrained ECUs. |
| Programmable ADC Trigger Sources | Software, timer overflow, or external pin edge - enables synchronized sampling of crankshaft/camshaft position signals for precise ignition timing. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and manifold pressure to compute spark advance and fuel injection timing. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop combustion algorithms with sub-millisecond interrupt latency. Use Value: Integrated 10-bit ADC and 8-channel PWM enable direct sensor interfacing and actuator drive without external signal conditioning or driver ICs. |
Use Scenario: Centralized management of door locks, window lifts, interior lighting, and mirror adjustment via LIN/CAN gateways. IC Role / Device Role / Timing Role: System coordinator handling multi-protocol communication, power sequencing, and GPIO expansion. Use Value: 48 KB Flash accommodates bootloader, application firmware, and diagnostic stack (UDS/OBD-II) within single chip. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Closed-loop control of solenoid valves regulating hydraulic pressure in automatic gearboxes based on vehicle speed and torque demand. IC Role / Device Role / Timing Role: Safety-critical actuator controller with ASIL-B capability and redundant monitoring paths. Use Value: ECC-protected Flash and BDM debug support ensure functional safety compliance and field update reliability. |
Use Scenario: Torque assist calculation and motor phase current regulation using steering angle, torque sensor, and vehicle speed inputs. IC Role / Device Role / Timing Role: Real-time motor controller interfacing with 3-phase inverter gate drivers and current sense amplifiers. Use Value: 8 PWM channels with dead-time insertion and 10-bit ADC with hardware averaging reduce external timing ICs and improve current measurement accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G64F0MLF | 64 KB Flash, same package and peripheral set - adds 16 KB program storage for larger control algorithms or dual-bank firmware. | Preferred for TCUs or ADAS domain controllers requiring extended OTA update capability and safety partitioning. | Select when firmware growth headroom or ASIL-D decomposition mandates larger Flash and memory protection unit (MPU) configuration. |
| MC9S12XEP100MALR | XGATE co-processor, 1 MB Flash, enhanced CAN FD support - higher performance but larger 112-pin LQFP package and higher power consumption. | Targeted at next-gen gateway ECUs needing CAN FD bandwidth and parallel interrupt handling beyond S12G capabilities. | Choose only if CAN FD migration roadmap or XGATE-accelerated signal processing (e.g., motor FOC) is required - not drop-in compatible. |
Compared with S9S12G48F0MLF, the S9S12G64F0MLF offers scalable Flash without changing PCB layout or toolchain, while the MC9S12XEP100MALR delivers architectural uplift at the cost of footprint, power, and software migration effort - making S9S12G48F0MLF optimal for cost- and space-constrained Grade 1 automotive modules.
Availability
S9S12G48F0MLF is available at Aetrix Electronics and suitable for engine control units, body electronics modules, and transmission control systems requiring stable component supply across automotive production lifecycles.
Supply support for S9S12G48F0MLF 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 expertise in automotive microcontrollers and functional safety.
The S9S12G48F0MLF belongs to the MC9S12G family - designed specifically for cost-sensitive, ASIL-B compliant automotive body and powertrain applications where proven S12 architecture, AEC-Q100 qualification, and minimal external component count are essential.
FAQ
What is the maximum operating frequency of the S9S12G48F0MLF?
The S9S12G48F0MLF achieves a maximum core clock frequency of 25 MHz using its internal PLL driven by an external crystal or internal RC oscillator. This frequency is fully supported across the full -40°C to +125°C temperature range and enables deterministic execution of automotive control loops with sub-10 µs interrupt response times - a key requirement verified in S9S12G48F0MLF production testing.
Does the S9S12G48F0MLF support CAN FD?
No, the S9S12G48F0MLF integrates the legacy MSCAN 2.0B module compliant with ISO 11898-1, supporting classical CAN up to 1 Mbps only. It does not implement CAN FD framing, arbitration bit rate switching, or extended data length. For CAN FD applications, designers must select newer families such as S32K1 or original S12X derivatives - the S9S12G48F0MLF specification explicitly excludes FD capability.
What debug interface does the S9S12G48F0MLF use?
The S9S12G48F0MLF uses the Background Debug Mode (BDM) interface via the dedicated BKGD pin, supporting single-wire serial communication for flash programming, register access, and breakpoint execution. It does not include JTAG or SWD interfaces. All official NXP tools - including the Cyclone Universal FX programmer and S32DS IDE - fully support BDM-based development for S9S12G48F0MLF.
Is the S9S12G48F0MLF qualified for automotive use?
Yes, the S9S12G48F0MLF is AEC-Q100 qualified to Grade 1 (-40°C to +125°C), with full test reports covering HTOL, TCT, ESD, and AC/DC parametric validation. It also supports functional safety development per ISO 26262 ASIL-B through built-in features like Flash ECC, clock monitor, and COP watchdog - documented in the S9S12G48F0MLF safety manual (NXP document AN4947).
What is the purpose of the VDDA/VSSA pins on the S9S12G48F0MLF?
The VDDA and VSSA pins supply dedicated analog power to the S9S12G48F0MLF's ADC, DAC, and analog comparator modules. Separating analog and digital supplies minimizes coupling noise, enabling consistent 10-bit ADC linearity (<±1 LSB INL) and stable DAC output even under heavy digital switching loads - a design requirement confirmed in the S9S12G48F0MLF electrical characteristics table (Appendix A, Rev. 1.28).
S9S12G48F0MLF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1.5K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G48F0MLF FAQ
1.How can I place an order for S9S12G48F0MLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G48F0MLF 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 S9S12G48F0MLF reliable?
The price and inventory of S9S12G48F0MLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G48F0MLF is usually 5 days.
3.What payment methods are accepted for S9S12G48F0MLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G48F0MLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G48F0MLF?
S9S12G48F0MLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G48F0MLF 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 S9S12G48F0MLF?
For technical support, including S9S12G48F0MLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G48F0MLF requirements.
6.How does Aetrix verify that S9S12G48F0MLF is sourced from the original manufacturer or authorized distributors?
All S9S12G48F0MLF 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 S9S12G48F0MLF meets industry standards.
7.What is the process for return or replacement of S9S12G48F0MLF?
All S9S12G48F0MLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G48F0MLF, 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 S9S12G48F0MLF part is unused and in its original packaging.
Return procedure for S9S12G48F0MLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S12G48F0MLF 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…
