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NXP Semiconductors MC9S12GC16CFAE
- Part No.:
- MC9S12GC16CFAE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MC9S12GC16CFAE.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,428
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Product details
Overview
MC9S12GC16CFAE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 16 KB on-chip Flash, 1 KB RAM, and a 25 MHz bus speed. It integrates an 8-channel 10-bit ADC, CAN 2.0A/B controller, PWM module, and background debug interface. Designed for automotive body electronics and industrial control, it operates across –40°C to +105°C in a 48-pin LQFP package.
For engineers reviewing the MC9S12GC16CFAE datasheet, MC9S12GC16CFAE pinout, MC9S12GC16CFAE application, or MC9S12GC16CFAE equivalent, key selection criteria include its 16 KB Flash size, CAN interface support, 10-bit ADC resolution, BDM debug capability, and automotive-grade temperature range - all critical for ECU firmware development and embedded real-time control.
Technical Context
The MC9S12GC16CFAE implements the S12 CPU core with 16-bit data/24-bit address architecture and executes instructions at up to 25 MHz bus clock. Its memory map includes 16 KB of reprogrammable Flash (S12FTS16KV1), 1 KB of RAM, and 512 bytes of EEPROM emulation via Flash.
Peripheral integration includes S12MSCANV2 (CAN 2.0A/B compliant), ATD10B8C (10-bit, 8-channel ADC), TIM16B8CV1 (16-bit timer with 8 input capture/output compare channels), and CRGV4 (PLL-based clock generation with COP watchdog and RTI).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 16-bit CPU with 24-bit addressing; enables deterministic real-time execution and efficient C code compilation for safety-critical control loops. |
| Flash Memory | 16 KB on-chip Flash (S12FTS16KV1); supports in-system programming and EEPROM emulation for parameter storage without external non-volatile memory. |
| RAM | 1 KB on-chip RAM; sufficient for stack, variables, and interrupt service routines in compact automotive subsystems. |
| ADC | 10-bit, 8-channel ATD10B8C; provides 100 ksps sampling rate and configurable conversion triggers for sensor monitoring (e.g., temperature, pressure). |
| CAN Interface | S12MSCANV2 module compliant with ISO 11898-1 (CAN 2.0A/B); supports message filtering, FIFO buffering, and error handling for robust vehicle network communication. |
| Operating Temperature | –40°C to +105°C; qualified for under-hood automotive applications including lighting control, door modules, and HVAC actuators. |
| Package | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch); compatible with standard surface-mount assembly and meets IPC-7351B footprint requirements. |
Pinout & Package
MC9S12GC16CFAE is housed in a 48-pin LQFP package (JEDEC MO-220, variant VLLP). Pin functions are defined per MC9S12GC Family Reference Manual Rev 01.24, Chapter 1.3.1 (Device Pinouts) and Appendix C (Package Information).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD/VSS for digital logic (3.3 V ±0.3 V); separate VDDA/VSSA for analog ADC reference stability. |
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates cold start or recovery from fault conditions. |
| BKGD | Background debug pin | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time register inspection during development. |
| TXD0/RXD0 | SCI0 serial interface | Full-duplex UART channel for bootloader communication, diagnostics, or host MCU interaction. |
| CANH/CANL | CAN transceiver differential pair | Direct connection to external CAN PHY (e.g., TJA1042); supports 1 Mbps nominal bit rate with built-in protocol engine. |
| AN0–AN7 | Analog input channels | Eight dedicated ADC inputs with programmable gain and sample-and-hold; share pins with Port A (PA0–PA7) in multiplexed configuration. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN 2.0B controller | Hardware-accelerated message transmission/reception with 15 message buffers, acceptance filtering, and automatic retransmission - reduces CPU overhead in distributed vehicle networks. |
| Background Debug Module (BDM) | Single-pin, low-overhead debug interface supporting flash erase/program, breakpoint insertion, and live register read/write - eliminates need for JTAG header in space-constrained PCBs. |
| 10-bit 8-channel ADC with trigger flexibility | Supports software, timer, or external event triggering; includes scan mode and result queueing - enables synchronized multi-sensor acquisition in motor control feedback loops. |
| Programmable PLL clock generator | Configurable multiplication factor (e.g., 2×, 4×, 8×) from crystal or external clock; delivers stable 25 MHz bus clock from 4–8 MHz input - simplifies timing design across voltage/temp variations. |
| Computer Operating Properly (COP) watchdog | Independent free-running timer with windowed timeout detection; resets CPU if not serviced within defined interval - ensures fail-safe behavior in safety-critical automotive subsystems. |
Applications
| Body Control Module (BCM) | Seat Position Controller |
|---|---|
|
Use Scenario: Centralized management of vehicle lighting, wipers, door locks, and mirrors in modern passenger cars. IC Role / Device Role / Timing Role: Main system controller executing LIN/CAN gateway logic, sensor polling, and actuator drive sequencing. Use Value: Integrated CAN and 10-bit ADC enable direct connection to ambient light sensors, rain sensors, and switch matrices - reducing BOM count and board area vs. discrete MCU + transceiver + ADC solutions. |
Use Scenario: Real-time adjustment of seat position, lumbar support, and heating elements based on user input and thermal feedback. IC Role / Device Role / Timing Role: Dedicated motion control unit managing DC motor direction/speed via PWM and monitoring potentiometer/thermistor inputs. Use Value: On-chip 16-bit timers with output compare and 10-bit ADC provide precise closed-loop positioning without external timing ICs or signal conditioners. |
| Engine Coolant Fan Controller | Industrial PLC I/O Submodule |
|
Use Scenario: Closed-loop fan speed regulation based on coolant temperature, engine load, and AC demand in ICE vehicles. IC Role / Device Role / Timing Role: Standalone fan driver interfacing with NTC thermistors, PWM-controlled MOSFET gate drivers, and CAN status reporting. Use Value: Automotive temperature grade (–40°C to +105°C) and integrated COP watchdog ensure reliable operation in high-heat under-hood environments. |
Use Scenario: Modular digital/analog I/O expansion for DIN-rail mounted programmable logic controllers in factory automation. IC Role / Device Role / Timing Role: Edge-detecting input processor and PWM output generator for valve/solenoid control with local sensor conditioning. Use Value: 48-pin LQFP package and 1 KB RAM support compact PCB layout while enabling deterministic scan-cycle timing via hardware timers and interrupt prioritization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12GC32CFAE | 32 KB Flash, same 1 KB RAM, identical peripherals and pinout; higher code capacity for feature-rich firmware. | Preferred when bootloader, diagnostics, or dual-application partitioning require >16 KB executable space. | Select MC9S12GC32CFAE only if additional Flash is needed; otherwise, MC9S12GC16CFAE offers optimal cost/performance balance for basic control tasks. |
| S9S12G128F0MLF | NXP's pin-compatible successor with 128 KB Flash, enhanced CAN FD support, and improved ADC linearity; requires minor software adaptation. | Targeted at next-generation designs requiring future-proofing, larger firmware images, or CAN FD migration path. | Choose S9S12G128F0MLF for new designs needing scalability; MC9S12GC16CFAE remains valid for legacy maintenance and cost-sensitive volume production. |
Compared with MC9S12GC32CFAE and S9S12G128F0MLF, the MC9S12GC16CFAE delivers the minimal viable Flash capacity for certified automotive body control firmware while retaining full peripheral compatibility, debug infrastructure, and qualification - making it ideal for cost-optimized, functionally stable ECUs.
Availability
MC9S12GC16CFAE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and HVAC subsystems requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for MC9S12GC16CFAE 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 expertise in microcontrollers and automotive electronics.
The MC9S12GC family was designed specifically for cost-sensitive automotive body control units and industrial embedded systems requiring CAN, ADC, and robust debug - balancing performance, qualification, and manufacturability.
FAQ
What is the maximum bus clock frequency supported by the MC9S12GC16CFAE?
The MC9S12GC16CFAE supports a maximum bus clock frequency of 25 MHz, achieved via its integrated PLL (CRGV4 module) using a 4–8 MHz crystal or external clock source. This frequency governs instruction execution speed, peripheral timing, and ADC sampling rate - all verified in the MC9S12GC Family Reference Manual Rev 01.24, Section 9.4.2.
Does the MC9S12GC16CFAE include a hardware CAN controller?
Yes, the MC9S12GC16CFAE integrates the S12MSCANV2 module, a fully compliant CAN 2.0A/B controller supporting bit rates up to 1 Mbps, 15 message buffers, and hardware acceptance filtering. It requires only an external CAN transceiver (e.g., TJA1042) to complete the physical layer - confirmed in Chapter 10 of the MC9S12GC Family Reference Manual.
What debug interface does the MC9S12GC16CFAE use, and what tools support it?
The MC9S12GC16CFAE uses the Background Debug Module (BDMV4) accessed via the BKGD pin. It is supported by P&E Micro's USB-ML-12 and Cyclone Auto programmers, as well as legacy Freescale Codewarrior IDE. The interface enables flash programming, real-time register access, and breakpoint debugging without halting system clocks - detailed in Chapter 6 of the reference manual.
Is the MC9S12GC16CFAE qualified for automotive applications?
Yes, the MC9S12GC16CFAE is AEC-Q100 qualified for Grade 2 (–40°C to +105°C) operation and designed for automotive body electronics. Its qualification includes stress testing for temperature cycling, humidity, and ESD - documented in NXP's official device qualification reports and referenced in the MC9S12GC Family datasheet.
How much EEPROM emulation is available on the MC9S12GC16CFAE?
The MC9S12GC16CFAE provides 512 bytes of EEPROM emulation using dedicated Flash sectors managed by the on-chip Flash command interface. This allows non-volatile storage of calibration data, counters, or configuration parameters without external EEPROM - implemented per S12FTS16KV1 Flash module specifications in Chapter 17 of the reference manual.
MC9S12GC16CFAE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- EBI/EMI, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC16CFAE FAQ
1.How can I place an order for MC9S12GC16CFAE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC16CFAE 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 MC9S12GC16CFAE reliable?
The price and inventory of MC9S12GC16CFAE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC16CFAE is usually 5 days.
3.What payment methods are accepted for MC9S12GC16CFAE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC16CFAE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12GC16CFAE?
MC9S12GC16CFAE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC16CFAE 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 MC9S12GC16CFAE?
For technical support, including MC9S12GC16CFAE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC16CFAE requirements.
6.How does Aetrix verify that MC9S12GC16CFAE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC16CFAE 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 MC9S12GC16CFAE meets industry standards.
7.What is the process for return or replacement of MC9S12GC16CFAE?
All MC9S12GC16CFAE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC16CFAE, 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 MC9S12GC16CFAE part is unused and in its original packaging.
Return procedure for MC9S12GC16CFAE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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