MC9S12C32MFAE25 - 16-bit HCS12 MCU 32KB Flash 25MHz | NXP
Teilenummer: MC9S12C32MFAE25 ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $8.21 | $8,21 |
| 10 | $7.8 | $78,00 |
| 100 | $7.25 | $725,00 |
| 500 | $6.8 | $3.400,00 |
| 1.000 | $6.4 | $6.400,00 |
MC9S12C32MFAE25 Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die. The HCS12 (S12) family is built around the CPU12 CISC core, a 16-bit architecture widely deployed in automotive body electronics and industrial control. MCUs sit at the top of the embedded hierarchy: semiconductor -> integrated circuit -> microcontroller unit -> application-specific embedded controller.
Key features include 32KB of flash program memory for code storage, an on-chip phase-locked loop (PLL) that allows flexible bus frequency synthesis up to 25 MHz, and an integrated bandgap-based voltage regulator (Vreg) that generates the internal VDD supply from a 2.97 V to 5.5 V external supply range. This wide supply range simplifies power design in 3.3 V and 5 V mixed systems.
The MC9S12C32MFAE25 carries an automotive temperature grade (-40C to +125C) and comes supplied in a tray pack. The LFQFP gull-wing package supports surface-mount assembly and provides 48 I/O-capable terminals for connecting on-chip peripherals such as timers, serial interfaces (SCI, SPI), and the 10-bit ADC reported by distributors.
Typical applications include automotive body and network nodes, industrial control panels, motor-adjacent monitoring logic, and general-purpose embedded systems where a 16-bit core and modest flash are sufficient.
Design consideration: since the part is NRND (Not Recommended for New Designs) per NXP, new designs should evaluate the recommended successors or pin-compatible S12 family members listed below.
This page adds distributor pricing, drop-in same-family alternatives, comparison tables, and design notes not consolidated in the manufacturer datasheet.
Drop-in-Alternativen für MC9S12C32MFAE25 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MC9S12C32MFAE25 (gleiche Bauform und Footprint) – abweichend in Core Architecture, Core Processor, Peripherals, Program Memory Size, Lifecycle Status.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC9S12C32VFAE25
✅ Drop-In✓ Auf Lager
Preis auf Anfrage
Datenblatt ansehen →MC9S12GC32VFAE
✅ Drop-In✓ Auf Lager
$5.64 / Stück
Datenblatt ansehen →MC9S12C128VFAE
✅ Drop-In✓ Auf Lager
$9.75 / Stück
Datenblatt ansehen →MC9S12C32MPBE16
✅ Drop-In✓ Auf Lager
$4.93 / Stück
Datenblatt ansehen →MC9S12C32MFAE25 Grenzwerte & elektrische Eigenschaften
| Core Processor | HCS12 (CPU12) CISC |
| Core Size | 16-bit |
| Speed | 25 MHz |
| Flash Memory | 32KB (32K x 8) |
| Supply Voltage Range | 2.97 V to 5.5 V |
| On-chip Voltage Regulator | Bandgap-based Vreg |
| Clock Source | On-chip PLL |
| ADC Resolution | 10-bit |
| Betriebstemperatur | -40C to +125C (automotive grade) |
| Gehäuse | 48-LQFP (7x7 mm), LFQFP |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Montageart | Surface Mount |
| Pin-Anzahl | 48 |
| Family | S12C (48/52/80 pin flash-based MCU family) |
| Packaging | Tray |
| Lebenszyklusstatus | NRND (Not Recommended for New Designs) |
MC9S12C32MFAE25 square Pinbelegungsleitfaden
Pinbelegung für MC9S12C32MFAE25 (square-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für MC9S12C32MFAE25.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MC9S12C32MFAE25 ist geeignet für 6 Anwendungs: Automotive Body Electronics, Industrial Control Panels, In-Vehicle Network Gateways (Low-Cost Nodes), Motor Control Supervision, Sensor Data Acquisition, Legacy System Maintenance and Service.
Automotive Body Electronics
The MC9S12C32MFAE25 is explicitly positioned by NXP for automotive network applications, and its -40C to +125C M temperature grade plus 2.97 V to 5.5 V supply tolerance make it a natural fit for body-control nodes such as window lift modules, lighting controllers, and mirror actuators. In these roles the 32KB flash holds the state-machine and CAN/serial handling code, the 10-bit ADC reads switch and sensor inputs, and the on-chip Vreg allows direct operation from the vehicle 5 V rail. The 25 MHz CPU12 bus gives ample headroom for low-cost real-time control. Because the part is NRND, new automotive programs should qualify MC9S12C128VFAE or GC-series equivalents, which reuse the same 48-LQFP footprint.
Empfohlen
Industrial Control Panels
In industrial control panels and machine sub-systems, the MC9S12C32MFAE25 combines a 16-bit HCS12 CISC core with 32KB flash and a 10-bit ADC, covering the needs of sequencer logic, operator interface scanning, and closed-loop monitoring without external memory. The on-chip bandgap regulator (Vreg) lets the MCU run from the panel's 3.3 V or 5 V logic rail directly, reducing BOM count, while the 25 MHz PLL-synthesized bus keeps scan loops deterministic. SCI and SPI peripherals handle RS-232 style links and external ADC/EEPROM communication. Designers must note the NRND status and verify the -40C to +125C grade against enclosure temperature, qualifying the pin-compatible C128 or GC32 variants for new builds.
Empfohlen
In-Vehicle Network Gateways (Low-Cost Nodes)
Low-cost network nodes in vehicles - seat controllers, sensor hubs, simple gateways - benefit from the S12C family heritage: Motorola/NXP designed the 48/52/80-pin flash MCUs specifically for cost- and space-sensitive network applications. The MC9S12C32MFAE25's 25 MHz bus and hardware PLL deliver sufficient processing for message buffering and filtering, while 32KB flash keeps firmware compact. The gull-wing LFQFP square package assembles reliably on standard automotive SMT lines. Given the NRND designation, designs here should migrate to same-footprint alternatives; the pinout-preserving MC9S12C128VFAE gives 4x code space for expanding protocol stacks without PCB respin.
Empfohlen
Motor Control Supervision
The MC9S12C32MFAE25 fits supervisory roles in motor-driven systems such as HVAC blowers, pumps, and small industrial drives, where the MCU monitors current via its 10-bit ADC, manages start/stop sequencing, and communicates status over serial links. Its 2.97 V to 5.5 V supply range tolerates noisy supply conditions on the power board when paired with local decoupling, and the -40C to +125C automotive grade covers under-hood and high-ambient cabinet installations. The 32KB flash accommodates PWM supervision and fault-handling firmware; the 25 MHz CPU12 core executes deterministic loop timing. Because the part is NRND, pair new designs with the same-package MC9S12C128VFAE for longevity.
Empfohlen
Sensor Data Acquisition
Distributed sensor nodes for pressure, temperature, and position measurement leverage the MC9S12C32MFAE25's integrated 10-bit ADC and low external-component count. The internal bandgap regulator and PLL allow a single-crystal clock and one supply rail, which simplifies compact sensor PCB design in the 7x7 mm 48-LQFP footprint. 32KB flash stores calibration tables and averaging filters, and the -40C to +125C grade supports harsh-environment deployments such as exhaust-adjacent sensing or industrial ovens. Serial outputs (SCI/SPI) forward processed readings to a host controller. Engineering teams replacing this NRND part should evaluate MC9S12GC32VFAE, which preserves the pin map while offering the general-purpose successor profile.
Empfohlen
Legacy System Maintenance and Service
A significant continuing use of the MC9S12C32MFAE25 is sustaining already-qualified products - vehicle modules, industrial units, and test equipment - whose firmware and toolchains are locked to the HCS12 S12C platform. Distributors including DigiKey ('ships today'), Mouser, and LCSC (in stock, from $8.2118 as of 2026-10-18) still supply the part, and Rochester Electronics offers extended-life sourcing through DigiKey Marketplace. For service stock, buying tray-packaged parts now is a low-risk hedge against eventual obsolescence. When supply tightens, the pin-compatible MC9S12C32VFAE25 and MC9S12GC32VFAE are the first substitution candidates, requiring only temperature-grade verification.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC9S12C32MFAE25 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC9S12C32VFAE25 | MC9S12GC32VFAE | MC9S12C128VFAE | MC9S12C32MPBE16 |
|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | HCS12 (CPU12) 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC |
| Flash Memory | 32KB (32K x 8) | 32KB | 32KB | 128KB | 32KB |
| Operating Temperature | -40C to +125C (automotive M grade) | -40C to +85C (V grade) | -40C to +85C (V grade) | -40C to +85C (V grade) | Commercial grade |
Wichtigste Unterscheidungsmerkmale
- Automotive M-grade temperature rating (vs. MC9S12C32VFAE25)
- Lowest-cost entry to the S12C family at 25 MHz (vs. MC9S12C128VFAE)
- 25 MHz bus speed in the same 48-LQFP footprint (vs. MC9S12C32MPBE16)
Designhinweise
The MC9S12C32MFAE25 integrates a bandgap-based voltage regulator that generates internal VDD from a 2.97 V to 5.5 V external supply, so a single 5 V rail can power the MCU without an external LDO. Follow the S12C reference manual's decoupling guidance: place ceramic bypass capacitors on VDD/VDDX pin pairs close to the package, and do not omit the Vreg stabilizing capacitor specified in the datasheet - omitting it is a common cause of PLL jitter and brown-out resets.
The part is NRND per NXP. Before committing to a new layout or a service stock build, verify long-term availability and qualify a pin-compatible successor (MC9S12C128VFAE or MC9S12GC32VFAE) on the same 48-LQFP footprint. Also confirm the temperature grade required by your application: the M-grade automotive rating (-40C to +125C) is what distinguishes this part from the otherwise near-identical V-grade variants - substituting a V-grade part in an under-hood or sealed enclosure design can exceed its +85C limit.
The on-chip PLL synthesizes the 25 MHz bus from a lower-frequency crystal. Route the oscillator and PLL filter traces short and away from fast-switching I/O, and use the PLL filter component values exactly as given in the S12C family datasheet rather than scaling them. For ADC accuracy on the 10-bit converter, keep analog inputs away from motor or switching-node coupling and provide a low-impedance source or buffer, since ADC acquisition windows on the S12C are short at 25 MHz bus rates.
Compliance-Informationen
The 'AE' suffix in the part number typically indicates lead-free/RoHS-type qualification in NXP S12 nomenclature, but explicit RoHS/REACH statements were not present in the provided web data; confirm on the NXP product page's Environmental Quality section. Automotive temperature grade (-40C to +125C) confirmed from distributor data.
