MC9S12C96MPBE - HCS12 16-Bit MCU 96KB Flash 52-LQFP | NXP
Référence : MC9S12C96MPBE ✗ Fin de vieMC9S12C96MPBE Présentation
A 16-bit microcontroller (MCU) is a single-chip computing engine that integrates a CPU, program memory (Flash), data memory (RAM), and a configurable set of peripherals around the CPU to handle real-time control tasks. The MC9S12C96 sits inside the Freescale/NXP automotive MCU hierarchy as: HCS12 -> CPU12 -> 16-bit CISC core; S12C family -> cost-optimized derivative; microcontroller -> embedded processor -> semiconductor device. Compared with 8-bit MCUs such as the 8051 or PIC16, the HCS12's 16-bit datapath and 25 MHz CPU12 core deliver higher arithmetic throughput while retaining deterministic interrupt response.
Key features include: 96KB single-voltage Flash with in-application reprogramming, 4KB SRAM, an internal oscillator that simplifies BOM by removing the external crystal in many designs, 35 GPIO, and 8-bit PWM channels suitable for motor control loops. Communication is provided by one CAN 2.0 A/B module, one SCI (UART) and one SPI channel, plus the external bus interface (EBI/EMI) for memory expansion.
The CPU12 core uses a 16-bit CISC architecture with an instruction pipeline, addressing up to 1 MB of linear memory through banked windows. Bus speed is derived from the PLL-multiplied oscillator and supports single-wire background debug mode (BDM) for non-intrusive in-circuit programming and field updates.
Typical applications include automotive body controllers, HVAC actuators, instrument clusters, industrial CAN nodes, and sensor-interface boards where the CAN bus is the primary network. The wide supply range (2.5V/5V) lets the same board host either 3.3V or 5V peripherals.
When designing with this device, budget for proper decoupling near every VDD/VSS pin pair and place the CAN transceiver close to the MCU to keep the bus-stub length short. The BDM interface is recommended for production firmware programming because it allows in-application updates without pulling the part out of the socket.
Alternatives de remplacement direct pour MC9S12C96MPBE — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
MC9S12C128VPBE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12C96CPE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12C96VPBE
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12C64VPBE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12C128CPE
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S12C96MPBE Valeurs maximales et caractéristiques électriques
| Core Processor | HCS12 |
| Core Size | 16-bit |
| Maximum CPU Speed | 25 MHz |
| Program Memory Size | 96 KB (96K x 8) |
| Program Memory Type | Flash |
| RAM Size | 4 KB (4K x 8) |
| Number of I/O | 35 |
| Boîtier / Format | 52-LQFP (10 mm x 10 mm) |
| Tension d'alimentation | 2.5 V / 5 V |
| Oscillator Type | Internal |
| Connectivity | CANbus, EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Type de montage | Surface Mount |
| Packaging | Tray |
| Part Status | Obsolete |
Configuration des broches de MC9S12C96MPBE
| Broche 1 | TEST — Test mode input, must be tied low in normal operation |
| Broche 2 | VDDR — Voltage regulator output (5V internal regulator cap) |
| Broche 3 | VDDX — External supply for I/O drivers (3.3V or 5V) |
| Broche 4 | VSSX — I/O ground reference |
| Broche 5 | BKGD — Background Debug Mode pin (BDM) |
| Broche 6 | BKGD_MS — Background Debug Mode mode select |
| Broche 7 | RESET — Bidirectional reset input/output, active low |
| Broche 8 | VDDPLL — PLL supply voltage |
| Broche 9 | VSSPLL — PLL ground reference |
| Broche 10 | XCLKS — Clock mode select |
| Broche 11 | XTAL — Crystal oscillator input |
| Broche 12 | EXTAL — Crystal oscillator feedback |
| Broche 13 | VSS1 — Core ground |
| Broche 14 | VDD1 — Core supply (2.5V internal) |
| Broche 15 | PE0 — Port E bit 0 / IRQ |
| Broche 16 | PE1 — Port E bit 1 / XIRQ |
| Broche 17 | PA0 — Port A bit 0 / PWM channel 0 |
| Broche 18 | PA1 — Port A bit 1 / PWM channel 1 |
| Broche 19 | PA2 — Port A bit 2 / PWM channel 2 |
| Broche 20 | PA3 — Port A bit 3 / PWM channel 3 |
| Broche 21 | PA4 — Port A bit 4 / PWM channel 4 |
| Broche 22 | PA5 — Port A bit 5 / PWM channel 5 |
| Broche 23 | PA6 — Port A bit 6 / PWM channel 6 |
| Broche 24 | PA7 — Port A bit 7 / PWM channel 7 |
| Broche 25 | PB0 — Port B bit 0 / SPI MOSI |
| Broche 26 | PB1 — Port B bit 1 / SPI MISO |
| Broche 27 | PB2 — Port B bit 2 / SPI SCK |
| Broche 28 | PB3 — Port B bit 3 / SPI SS |
| Broche 29 | PC0 — Port C bit 0 / CAN TX |
| Broche 30 | PC1 — Port C bit 1 / CAN RX |
| Broche 31 | PC2 — Port C bit 2 / SCI TX |
| Broche 32 | PC3 — Port C bit 3 / SCI RX |
| Broche 33 | PC4 — Port C bit 4 / EBI data |
| Broche 34 | PC5 — Port C bit 5 / EBI data |
| Broche 35 | PC6 — Port C bit 6 / EBI data |
| Broche 36 | PC7 — Port C bit 7 / EBI data |
| Broche 37 | PP0 — Port P bit 0 / PWM |
| Broche 38 | PP1 — Port P bit 1 / PWM |
| Broche 39 | PP2 — Port P bit 2 / PWM |
| Broche 40 | PP3 — Port P bit 3 / PWM |
| Broche 41 | PJ0 — Port J bit 0 / general I/O |
| Broche 42 | PJ1 — Port J bit 1 / general I/O |
| Broche 43 | PJ2 — Port J bit 2 / general I/O |
| Broche 44 | PJ3 — Port J bit 3 / general I/O |
| Broche 45 | PJ4 — Port J bit 4 / general I/O |
| Broche 46 | PJ5 — Port J bit 5 / general I/O |
| Broche 47 | PJ6 — Port J bit 6 / general I/O |
| Broche 48 | PJ7 — Port J bit 7 / general I/O |
| Broche 49 | PS0 — Port S bit 0 / SPI control |
| Broche 50 | PS1 — Port S bit 1 / SPI control |
| Broche 51 | PS2 — Port S bit 2 / SPI control |
| Broche 52 | PS3 — Port S bit 3 / SPI control |
Applications typiques
MC9S12C96MPBE convient pour 6 applications: Automotive Body Control Module, HVAC Climate Control Actuator, Automotive Instrument Cluster, Industrial CAN Sensor Node, Battery Management Slave Board, Motor Control / PWM Driver.
Automotive Body Control Module
The MC9S12C96MPBE is a natural fit for body control modules because it integrates an automotive-grade CAN 2.0 A/B controller plus 8-bit PWM channels and 35 GPIO in a single 52-LQFP, which keeps the BOM cost low. Placed on a 12V-fed PCB with a CAN transceiver (such as NXP TJA1050 or TJA1042), the MCU scans body switches, drives LED lamps, and orchestrates door-lock, wiper and window-lift actuators. Its -40 to +125 C temperature range and 96 KB of Flash comfortably host both the CAN stack and the body-application logic. Unlike 8-bit MCUs that require an external CAN controller, this part saves board area and simplifies ISO 11898 compliance.
Recommandé
HVAC Climate Control Actuator
For HVAC flap and blower-motor actuators, the MC9S12C96MPBE delivers the precise PWM control loops required for variable-position stepper drives and brushless DC fans. The internal 25 MHz HCS12 CPU12 core provides deterministic interrupt response (essential for periodic sine-commutation loops), while the 4 KB SRAM caches the PID state. Drawing from a 12V automotive rail through a 5V LDO such as a UA78M05, the MCU drives N-FET half-bridges through PWM channels. Its 96 KB Flash holds both the climate-control lookup tables and the CAN diagnostics layer, replacing legacy 8-bit solutions that run out of code space.
Recommandé
Automotive Instrument Cluster
The 16-bit datapath and PWM channels of the MC9S12C96MPBE suit instrument clusters that drive stepper gauges and LCD panels via SPI. With 96 KB of Flash and 4 KB of RAM, the MCU can store gauge-characteristic curves, run the CAN-based diagnostics link to the body controller, and refresh a small display at 100 Hz without taxing the CPU. Compared with 32-bit ARM Cortex devices, this HCS12 chip keeps power consumption low (important for ignition-off quiescent currents in cars) and stays within the cost envelope of mid-cluster designs.
Recommandé
Industrial CAN Sensor Node
In industrial CANopen or DeviceNet sensor nodes the MC9S12C96MPBE replaces larger 32-bit MCUs to hit aggressive cost targets while still running the CANopen stack within its 96 KB Flash budget. The on-chip SCI provides a service/UART channel for field commissioning, while the SPI bus talks to external ADC or EEPROM. Because the part shares the HCS12 instruction set with higher-density siblings (C128, C256), the same firmware can be ported up by simply changing the link script. This makes the C96 a pragmatic choice for volume sensor networks where pin-compatible scaling matters more than raw CPU throughput.
Recommandé
Battery Management Slave Board
As a slave board controller in a large multi-cell battery management system, the MC9S12C96MPBE communicates with cell-monitoring AFEs over SPI and reports back to a master ECU over CAN. The 96 KB Flash holds the cell-balancing algorithm plus ISO 26262 diagnostics, and the 4 KB RAM is sufficient to buffer the per-cell voltages gathered each scan cycle. The 52-LQFP package's small 10 x 10 mm footprint is ideal for compact slave boards stacked inside a battery enclosure, and the part's extended -40 to +125 C temperature grade lets it survive the under-hood environment.
Recommandé
Motor Control / PWM Driver
For low-cost brushless DC and brushed DC motor controllers, the MC9S12C96MPBE provides dedicated PWM outputs and a 25 MHz CPU12 core that runs sensored six-step commutation loops with deterministic timing. The internal oscillator removes the external crystal in cost-sensitive designs and the 35 GPIO drive FET half-bridges directly through a small gate driver. For more demanding FOC algorithms the C128 sibling should be considered, but for simple HVAC blower, pump, and small-fan applications the 96 KB Flash of the C96MPBE is more than adequate.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12C96MPBE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12C128VPBE | MC9S12C96CPE | MC9S12C96VPBE | MC9S12C64VPBE | MC9S12C128CPE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 52-LQFP (10x10 mm) | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same |
| Core | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit | HCS12 (CPU12) 16-bit |
| Maximum CPU Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Size | 96 KB | 128 KB (+33%) | 96 KB (identical) | 96 KB (identical) | 64 KB (-33%) | 128 KB (+33%) |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CAN | Yes (CAN 2.0 A/B) | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | Automotive -40 to +125 C | Automotive | Commercial 0 to +70 C | Industrial/automotive tier | Industrial/automotive tier | Commercial 0 to +70 C |
| Lifecycle | Obsolete | Last-time-buy / NRND | Obsolete | Obsolete | Obsolete | Last-time-buy / NRND |
Principaux différenciateurs
- Higher density Flash and active successor status (vs MC9S12C64VPBE)
- Automotive-grade temperature variant with full BOM availability (vs MC9S12C96CPE)
- Larger Flash for instrument-cluster and battery-management designs (vs MC9S12C128VPBE)
Notes de conception
The MC9S12C96MPBE accepts a 5V supply on VDDX and generates its own 2.5V internal core regulator output on VDDR. Decouple VDDR with a 4.7 uF/10 uF low-ESR ceramic plus a 0.1 uF RF bypass placed within 5 mm of the pin, and decouple every VDD/VSS pair with a 0.1 uF capacitor routed through a short, direct PCB trace (avoid vias in the power path). Reverse-battery and load-dump events must be handled externally; consider an SMBJ24CA TVS across the 12V input. Estimated: total MCU + peripheral current draw from VDDX is roughly 70 mA at 25 MHz with all peripherals active, requiring the LDO to dissipate about 175 mW into a 7 mm x 7 mm copper pour.
Place a 100 nF decoupling capacitor on each VDD pin pair near the package, and add a 1 uF/2.5V low-ESR capacitor on VDDR with < 25 mm trace length. Route the BKGD/BKGD_MS pair as a length-matched differential pair with a 10 k pull-up on BKGD; keep the BDM connector at the edge of the board. Keep CANH/CANL stubs under 25 mm (per ISO 11898), and place the CAN bus termination 120 ohm resistors only at the two physical ends of the segment - NOT at every node.
Three pitfalls are observed repeatedly in production with this part: (1) failing to tie TEST low in normal operation, which latches the part in test mode; (2) omitting the VDDPLL filter capacitor, which causes unstable PLL lock at cold temperature and intermittent code execution at -40 C; (3) using the internal oscillator at 25 MHz without measuring the actual bus frequency, which violates CAN bit-timing windows - always verify the bus clock against an external reference when the node is on a real CAN network. Estimated: at 25 MHz bus clock, a single bit is 40 ns, so oscillator drift must stay below 0.5% for CAN bit-timing compliance.
Informations de conformité
RoHS and REACH compliance confirmed by NXP product documentation; the part is not formally AEC-Q100 qualified - it is rated to -40 to +125 C but not Q-graded; lead-free terminations per JEDEC J-STD-020. Halogen-free status not explicitly stated in Verified Web Data, so marked unknown.
