S9S12C96F0CFUER - 16-bit HCS12 MCU 96KB Flash | NXP Semiconductors
MPN: S9S12C96F0CFUER ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $16.12 | $16.12 |
| 10 | $14.85 | $148.50 |
| 100 | $13.42 | $1,342.00 |
| 500 | $11.95 | $5,975.00 |
| 1,000 | $10.78 | $10,780.00 |
S9S12C96F0CFUER Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripheral interfaces. The S9S12C96F0CFUER belongs to the HCS12 architecture family, a 16-bit MCU line widely deployed in automotive body electronics, industrial control, and consumer appliance applications. The S12C family specifically targets cost-sensitive designs requiring CAN connectivity, analog integration, and Flash-based field reprogrammability without the overhead of larger HCS12 derivatives.
Key features of this part include an enhanced CAP (TPU) timer system, an 8-channel 10-bit ADC, up to two SCI (UART) ports, one SPI interface, an I2C-compatible module, and an MSCAN (CAN 2.0A/B) controller. The device operates from 2.97V to 5.5V supply, supports single-wire BDM debugging, and offers an internal Phase-Locked Loop (PLL) for flexible clock generation. The wide supply range simplifies integration into both 3.3V and 5V system designs.
The S12 core employs a 16-bit accumulator-based architecture with 20-bit ALU extensions (page registers), enabling efficient C code generation while preserving deterministic interrupt response. The on-chip voltage regulator permits single 5V rail operation by internally generating the core logic supply. A hardware Periodic Interrupt Timer (PIT) and real-time interrupt (RTI) provide a low-power tick source during STOP and WAIT modes.
Typical applications include automotive body controllers, HVAC systems, instrument clusters, sensor interface nodes, industrial CAN-based distributed I/O, and consumer appliance control boards. The 96KB Flash supports moderate-sized application code plus bootloader space for field updates via CAN or SCI. The 80-pin LQFP footprint provides ample GPIO for parallel sensor acquisition and discrete actuator drive.
When designing with this device, ensure the reset supervisor hold-time capacitor on the RESET pin meets the minimum 16 E-clock cycle requirement to avoid spurious startup. Place a 100 nF decoupling capacitor adjacent to each VDD/VSS pair, and route the oscillator traces with a guard ring to minimize EMI susceptibility. For CAN bus nodes, the bus termination and common-mode choke selection must conform to ISO 11898.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design considerations not found in the standalone manufacturer datasheet, accelerating your component selection and PCB bring-up workflow.
Drop-in alternatives for S9S12C96F0CFUER — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S9S12C96F0CFUER (same form factor and footprint) — differing in Package, Supply Voltage, Debug Interface, Core, Data Bus Width.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12C96CFAE557
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →S9S12C128J2MAA
✅ Drop-In📋 Reference alternative (not in catalog)
S912XEQ512J2MAA
✅ Drop-In✓ In Stock
$8.6 / Unit
View Datasheet →MC9S12C64MFUE
✅ Drop-In✓ In Stock
$10.2 / Unit
View Datasheet →S9S12P128J0VFT
✅ Drop-In✓ In Stock
$4.78 / Unit
View Datasheet →S9S12C96F0CFUER Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS12 (16-bit) |
| Family | S12C |
| Program Memory (Flash) | 96 KB |
| RAM | 4 KB |
| Maximum CPU Bus Frequency | 25 MHz |
| Supply Voltage | 2.97 V to 5.5 V |
| Operating Temperature Grade | Industrial (-40C to +85C) |
| Package | 80-pin LQFP (gull-wing) |
| Mounting Type | Surface Mount |
| ADC | 10-bit, 8 channels |
| CAN Module | MSCAN (CAN 2.0A/B), 1 instance |
| SCI / UART | 2 instances |
| SPI | 1 instance |
| I2C | 1 instance |
| Debug Interface | Single-wire BDM |
| On-chip PLL | Yes |
| Terminal Form | GULL WING |
| Number of Terminals | 80 |
| Package Code | QFP (LQFP-80) |
| Package Shape | Square |
| RoHS Status | Compliant |
S9S12C96F0CFUER square Pin Configuration Guide
Pin configuration for S9S12C96F0CFUER (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for S9S12C96F0CFUER.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S12C96F0CFUER is suitable for 6 applications: Automotive Body Control Module, HVAC Climate Control Node, Industrial CAN Sensor Hub, Consumer Appliance Control Board, Instrument Cluster Display Controller, Battery Management Slave Module.
Automotive Body Control Module
The S9S12C96F0CFUER is well suited for automotive body controllers managing door locks, window lift, mirror adjust, and interior lighting subsystems. Its MSCAN module implements ISO 11898 compliant CAN 2.0A/B, enabling communication with the vehicle's body network at 125 kbit/s to 500 kbit/s. The 96 KB Flash accommodates the application logic plus a CAN-based bootloader for firmware updates at the dealership. The 10-bit ADC samples ratiometric sensor signals such as seat position potentiometers and Hall-effect switches. Industrial -40C to +85C temperature grade and 5 V supply tolerance match the typical automotive 12 V bus environment with load-dump suppression.
Recommended
HVAC Climate Control Node
In distributed HVAC control nodes, the S9S12C96F0CFUER drives brushless DC fan motors via PWM channels while monitoring temperature sensors through the 10-bit ADC. The enhanced TIM with 8 channels provides multiple PWM outputs for fan speed control and damper actuator positioning. The 4 KB RAM supports modest look-up tables for temperature-to-PWM mapping without external memory expansion. Single-wire BDM allows in-line firmware calibration during end-of-line testing. The 80-pin LQFP footprint gives designers enough GPIO to read multiple NTC sensors, control relays, and drive status LEDs in a compact PCB layout.
Recommended
Industrial CAN Sensor Hub
The S9S12C96F0CFUER serves as a CAN-based distributed I/O hub aggregating analog and digital sensor readings for factory automation networks. Its MSCAN module handles CANopen or DeviceNet protocols at industrial-grade -40C to +85C ambient. The 8-channel 10-bit ADC reads 4-20 mA current loop sensors through external shunt resistors, while GPIO ports handle discrete limit switches and relay outputs. The on-chip PLL allows flexible clocking from an external 4 MHz crystal, supporting both CAN baud-rate flexibility and low-power STOP mode with RTI wake-up for battery-backed nodes.
Recommended
Consumer Appliance Control Board
For washing machines, dishwashers, and refrigerator control boards, the S9S12C96F0CFUER provides motor PWM control, user-interface scanning, and safety monitoring in a single IC. The TIM module generates complementary PWM pairs for TRIAC-driven AC loads or IGBT inverter stages. The I2C interface connects to a front-panel keypad controller and an EEPROM for storing user preferences. The 96 KB Flash supports graphical LCD menu navigation and diagnostic routines. Single 5 V supply operation simplifies the power supply design, and the industrial temperature grade withstands the thermal environment inside a sealed appliance.
Recommended
Instrument Cluster Display Controller
The S9S12C96F0CFUER drives stepper-motor gauges and segmented LCD indicators in two-wheeler or entry-level automotive instrument clusters. Its TIM PWM channels generate the precise waveforms needed for air-core or stepper-motor pointer movement. SPI interface connects to an external LED driver for backlight dimming. MSCAN receives vehicle speed, RPM, and fuel-level data from the powertrain CAN bus. The 4 KB RAM holds the refresh buffers for LCD segments, and the 96 KB Flash stores multiple language fonts and gauge calibration curves.
Recommended
Battery Management Slave Module
In modular battery management systems (BMS) for e-mobility or stationary storage, the S9S12C96F0CFUER acts as a slave module monitoring individual cell voltages and temperatures. The 10-bit ADC sequentially samples 8 cells through an external multiplexer, while GPIO controls cell-balancing FETs. Isolated CAN or SCI provides communication to the master BMS controller. The industrial temperature grade supports under-hood or pack-internal mounting. The 96 KB Flash stores lookup tables for state-of-charge estimation algorithms and balancing control state machines.
Recommended
Recommended Products Summary
Engineering reference data for S9S12C96F0CFUER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12C96CFAE | S9S12C128J2MAA | S912XEQ512J2MAA | MC9S12C64MFUE | S9S12P128J0VFT |
|---|---|---|---|---|---|---|
| Package | LQFP-80 | LQFP-64 | LQFP-80 (same) | LQFP-80 (same) | LQFP-64 | LQFP-80 (same) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12XE (16-bit + XGATE) | HCS12 (16-bit) | HCS12P (16-bit) |
| Flash Memory | 96 KB | 96 KB | 128 KB | 512 KB | 64 KB | 128 KB |
| RAM | 4 KB | 4 KB | 8 KB | 32 KB | 4 KB | 8 KB |
| CAN Module | MSCAN x1 | MSCAN x1 | MSCAN x1 | MSCAN x2 | MSCAN x1 | MSCAN x1 |
| ADC | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10/12-bit, 16 ch | 10-bit, 8 ch | 10-bit, 16 ch |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Automotive) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Key Differentiators
- 96 KB Flash with 80-pin LQFP - balanced Flash density and GPIO count (vs MC9S12C64MFUE)
- Single MSCAN for cost-sensitive CAN nodes (vs S912XEQ512J2MAA)
- S12C base family without XGATE co-processor - predictable interrupt latency (vs S912XEQ512J2MAA)
Design Notes
The S9S12C96F0CFUER integrates a 5V-to-2.5V on-chip voltage regulator that powers the CPU core from a single external 5V rail. Place a 4.7 uF to 10 uF bulk capacitor adjacent to the VREG pin and a 100 nF ceramic decoupling capacitor on every VDD/VSS pair. The internal regulator can source approximately 100 mA of core current; for designs that source significant current from GPIO, derate the regulator load budget and consider adding an external pass transistor if available. Use a ferrite bead or inductor on the analog supply AVDD to isolate from digital noise on the MCU core switching.
Place all decoupling capacitors within 3 mm of their respective supply pins to minimize parasitic inductance. Route the EXTAL and XTAL traces symmetrically with a guard ring connected to ground to suppress EMI coupling from adjacent digital signals. For CAN bus designs, keep the CANH and CANL traces as a differential pair with 120-ohm characteristic impedance and place the bus termination resistor (typically 120 ohms) only at the physical ends of the bus. Avoid routing CAN traces near switching power supply or motor driver traces to prevent common-mode noise injection.
Do not enable the PLL until the external oscillator has stabilized for at least 1 ms after startup, otherwise clock-domain crossing logic may latch up. The BDM (Background Debug Mode) pin BKGD must have a 4.7 kohm pull-up to VDD or it may float during reset and enter an unintended test mode. When using the ADC, configure the ATD clock below 2 MHz to meet the 10-bit conversion accuracy specification. Finally, do not exceed the absolute maximum injection current of 5 mA on any GPIO pin to avoid latch-up; use a series resistor if driving inductive loads or capacitive loads larger than 50 pF.
Compliance Information
RoHS and lead-free compliant per product listing. Industrial temperature grade, not AEC-Q100 qualified - for AEC-Q100 automotive grade consider S12K family or S12G derivatives. REACH compliance inferred from NXP corporate compliance statements.
