MC9S12E32VFUE16R - S12E 16-bit MCU, 32KB Flash, 80-QFP | NXP
Référence : MC9S12E32VFUE16R ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.85 | $1 385,00 |
| 500 | $11.4 | $5 700,00 |
| 1 000 | $9.75 | $9 750,00 |
MC9S12E32VFUE16R Présentation
A microcontroller (MCU) is a programmable processor that combines a CPU, RAM, non-volatile program memory (Flash), and a rich set of on-chip peripherals (timers, communication controllers, ADCs) on one die. The HCS12E belongs to the broader 16-bit MCU family — part of the embedded microcontroller hierarchy: microcontroller -> 16-bit MCU -> HCS12 family -> NXP automotive MCU. The S12E family targets cost-sensitive automotive and industrial control designs where deterministic interrupt response and CAN/SPI/Ethernet-style peripheral mix are required.
Key features of the MC9S12E32VFUE16R include 25 MHz CPU clock (50 MHz internal bus via PLL), 32KB Flash / 4KB RAM, 60 I/O, an Enhanced Capture Timer (ECT) with 8-channel 8-bit PWM or 4-channel 16-bit PWM, an 8-channel 10-bit ADC, a Watchdog Timer (WDT) and Power-On Reset (POR), and a wide operating voltage range suitable for 5 V automotive rails. The 80-LQFP package supports robust 14x14 mm PCB assembly while exposing most of the device's peripheral pins.
The MC9S12E32VFUE16R achieves its cost effectiveness through peripheral integration: combining a 10-bit ADC, PWM generator, ECT, and serial interfaces on one chip reduces external component count. The HCS12 core's BDM (Background Debug Mode) and on-chip trace simplify firmware bring-up, while Flash EEPROM allows in-application reprogramming for field updates, lowering total BOM and lifecycle cost.
Typical applications include automotive body controllers (BCM), HVAC and lighting controllers, instrument clusters, industrial sensor conditioning nodes, low-end CAN nodes, and consumer appliances. Designers choose this MCU where they need a deterministic 16-bit core with more compute headroom than 8-bit MCUs but without paying for 32-bit complexity.
When designing with this part, allocate sufficient time for the HCS12 toolchain setup (CodeWarrior or GNU/S12X GCC) and ensure BDM access for programming/debug, which requires 2 or 3 dedicated pins and a small header on the board.
This page synthesizes distributor pricing, drop-in 80-LQFP alternatives from the same S12E family, parameter comparisons, and design notes that go beyond the standalone NXP datasheet PDF.
Alternatives de remplacement direct pour MC9S12E32VFUE16R — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S12E32VFUE16R (même facteur de forme et même empreinte) — différant par RAM Size, Connectivity, Program Memory Size, Package, Number of I/O.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12E64CFUER
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.4 / unité
Voir la fiche technique →MC9S12E128CFUE
✅ Remplacement direct✓ En stock
$10.65 / unité
Voir la fiche technique →MC9S12D32MFUE
✅ Remplacement direct✓ En stock
$26.4032 / unité
Voir la fiche technique →MC9S12GC32MFUE
✅ Remplacement direct✓ En stock
$6.1 / unité
Voir la fiche technique →MC9S12DG128CFUE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S12E32VFUE16R Valeurs maximales et caractéristiques électriques
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| CPU Speed | 25 MHz |
| Program Memory Size | 32 KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 4 KB |
| Number of I/O | 60 |
| Connectivity | EBI/EMI, I2C, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| ADC | 8-channel, 10-bit |
| Boîtier | 80-LQFP (QFP 80, 14x14 mm) |
| Type de montage | Surface Mount |
| Series | HCS12 / S12E |
| Watchdog Timer | Yes |
| Power-On Reset | Yes |
Configuration des broches de MC9S12E32VFUE16R
| Broche 1 | VDDR — Regulator power supply output (internal voltage regulator) |
| Broche 2 | VDD1 — External power supply (5V) |
| Broche 3 | VDD2 — External power supply (5V) |
| Broche 4 | XFC — PLL loop filter capacitor |
| Broche 5 | VDDSYN — PLL supply voltage |
| Broche 6 | VSS — Ground |
| Broche 7 | OSC1 — Crystal oscillator input |
| Broche 8 | OSC2 — Crystal oscillator output |
| Broche 9 | PE0 — Port E bit 0 (GPIO / IRQ) |
| Broche 10 | PE1 — Port E bit 1 (GPIO / XIRQ) |
| Broche 11 | BKGD — Background Debug Mode pin |
| Broche 12 | RESET — Reset input (active low) |
| Broche 13 | TEST — Test mode input (must be tied high in normal operation) |
| Broche 14 | PA0 — Port A bit 0 (GPIO / ECT timer channel) |
| Broche 15 | PA1 — Port A bit 1 (GPIO / ECT timer channel) |
| Broche 16 | PA2 — Port A bit 2 (GPIO / ECT timer channel) |
| Broche 17 | PA3 — Port A bit 3 (GPIO / ECT timer channel) |
| Broche 18 | PA4 — Port A bit 4 (GPIO / ECT timer channel) |
| Broche 19 | PA5 — Port A bit 5 (GPIO / ECT timer channel) |
| Broche 20 | PA6 — Port A bit 6 (GPIO / ECT timer channel) |
| Broche 21 | PA7 — Port A bit 7 (GPIO / ECT timer channel) |
| Broche 22 | VSS — Ground |
| Broche 23 | ETCLK — ECT external clock |
| Broche 24 | PB0 — Port B bit 0 (GPIO / ECT channel) |
| Broche 25 | PB1 — Port B bit 1 (GPIO / ECT channel) |
| Broche 26 | PB2 — Port B bit 2 (GPIO / ECT channel) |
| Broche 27 | PB3 — Port B bit 3 (GPIO / ECT channel) |
| Broche 28 | PB4 — Port B bit 4 (GPIO / ECT channel) |
| Broche 29 | PB5 — Port B bit 5 (GPIO / ECT channel) |
| Broche 30 | PB6 — Port B bit 6 (GPIO / ECT channel) |
| Broche 31 | PB7 — Port B bit 7 (GPIO / ECT channel) |
| Broche 32 | PC0 — Port C bit 0 (GPIO) |
| Broche 33 | PC1 — Port C bit 1 (GPIO) |
| Broche 34 | PC2 — Port C bit 2 (GPIO) |
| Broche 35 | PC3 — Port C bit 3 (GPIO) |
| Broche 36 | PC4 — Port C bit 4 (GPIO) |
| Broche 37 | PC5 — Port C bit 5 (GPIO) |
| Broche 38 | PC6 — Port C bit 6 (GPIO) |
| Broche 39 | PC7 — Port C bit 7 (GPIO) |
| Broche 40 | VSS — Ground |
| Broche 41 | PD0 — Port D bit 0 (GPIO) |
| Broche 42 | PD1 — Port D bit 1 (GPIO) |
| Broche 43 | PD2 — Port D bit 2 (GPIO) |
| Broche 44 | PD3 — Port D bit 3 (GPIO) |
| Broche 45 | PD4 — Port D bit 4 (GPIO) |
| Broche 46 | PD5 — Port D bit 5 (GPIO) |
| Broche 47 | PD6 — Port D bit 6 (GPIO) |
| Broche 48 | PD7 — Port D bit 7 (GPIO) |
| Broche 49 | PAD00 — Port AD bit 0 (ADC input / GPIO) |
| Broche 50 | PAD01 — Port AD bit 1 (ADC input / GPIO) |
| Broche 51 | PAD02 — Port AD bit 2 (ADC input / GPIO) |
| Broche 52 | PAD03 — Port AD bit 3 (ADC input / GPIO) |
| Broche 53 | PAD04 — Port AD bit 4 (ADC input / GPIO) |
| Broche 54 | PAD05 — Port AD bit 5 (ADC input / GPIO) |
| Broche 55 | PAD06 — Port AD bit 6 (ADC input / GPIO) |
| Broche 56 | PAD07 — Port AD bit 7 (ADC input / GPIO) |
| Broche 57 | VDDAD — ADC supply voltage |
| Broche 58 | VSSAD — ADC ground |
| Broche 59 | PAD08 — Port AD bit 8 (ADC input / GPIO) - on some variants |
| Broche 60 | PAD09 — Port AD bit 9 (ADC input / GPIO) - on some variants |
| Broche 61 | PAD10 — Port AD bit 10 (ADC input / GPIO) - on some variants |
| Broche 62 | PAD11 — Port AD bit 11 (ADC input / GPIO) - on some variants |
| Broche 63 | PE0 — Port E bit 0 (alternate function on 80-pin package) |
| Broche 64 | PE1 — Port E bit 1 (alternate function on 80-pin package) |
| Broche 65 | PE2 — Port E bit 2 / SS (GPIO / SPI Slave Select) |
| Broche 66 | PE3 — Port E bit 3 / SCK (GPIO / SPI Clock) |
| Broche 67 | PE4 — Port E bit 4 / MOSI (GPIO / SPI MOSI) |
| Broche 68 | PE5 — Port E bit 5 / MISO (GPIO / SPI MISO) |
| Broche 69 | PE6 — Port E bit 6 / TxD (GPIO / SCI Transmit) |
| Broche 70 | PE7 — Port E bit 7 / RxD (GPIO / SCI Receive) |
| Broche 71 | PF0 — Port F bit 0 (GPIO / ECT / PWM) |
| Broche 72 | PF1 — Port F bit 1 (GPIO / ECT / PWM) |
| Broche 73 | PF2 — Port F bit 2 (GPIO / ECT / PWM) |
| Broche 74 | PF3 — Port F bit 3 (GPIO / ECT / PWM) |
| Broche 75 | PF4 — Port F bit 4 (GPIO / ECT / PWM) |
| Broche 76 | PF5 — Port F bit 5 (GPIO / ECT / PWM) |
| Broche 77 | PF6 — Port F bit 6 (GPIO / ECT / PWM) |
| Broche 78 | PF7 — Port F bit 7 (GPIO / ECT / PWM) |
| Broche 79 | VDDX — Internal regulator supply |
| Broche 80 | VSS — Ground |
Applications typiques
MC9S12E32VFUE16R convient pour 6 applications: Automotive Body Control Module (BCM), HVAC Fan & Blower Controller, Instrument Cluster Lighting Driver, Industrial Sensor Conditioning Node, Seat Control Module (SCM), Consumer Appliance Controller.
Automotive Body Control Module (BCM)
The MC9S12E32VFUE16R is well-suited for cost-optimized automotive body control modules including central locking, wiper control, and interior lighting. Its 25 MHz HCS12 core handles the deterministic real-time loops needed for body functions, while the 60 GPIO lines drive relays, LEDs, and switch inputs without external expanders. The 32 KB Flash accommodates typical BCM firmware for entry/mid-tier vehicle platforms, and the integrated 8-channel 10-bit ADC reads sensor inputs such as temperature, voltage, and switch contact states. The 80-LQFP package handles the thermal envelope of underhood electronics when paired with proper PCB copper area. Compared to 8-bit MCUs in similar applications, the 16-bit HCS12 provides faster interrupt response and more headroom for future feature additions such as LIN slave support.
Recommandé
HVAC Fan & Blower Controller
In HVAC fan/blower controllers, the MC9S12E32VFUE16R drives TRIAC-based or MOSFET-based motor control loops using its integrated PWM and Enhanced Capture Timer. The HCS12 core's deterministic interrupt response is critical for closed-loop fan speed regulation, while the 4 KB RAM holds real-time control variables. The on-chip 8-channel 10-bit ADC samples temperature sensors (NTC thermistors) and current feedback, allowing closed-loop fan-tachometer regulation. The 80-LQFP package fits standard HVAC control board form factors. Compared to entry-level 8-bit MCUs, this S12E variant gives engineers more bandwidth to implement advanced features such as ramp-up soft-start, stall detection, and fault logging — all while staying within cost targets.
Recommandé
Instrument Cluster Lighting Driver
The MC9S12E32VFUE16R drives LED backlighting and indicator lighting in small instrument clusters, using its PWM channels for brightness dimming and its 60 GPIOs for switch matrix scanning. Its 32 KB Flash comfortably stores the cluster lighting control firmware, while 4 KB RAM supports brightness ramp tables and switch debounce state. The integrated SCI and SPI peripherals enable communication with the main cluster controller for status reporting. The 80-LQFP package's moderate thermal output at the cluster's operating power levels allows a single PCB layout without external heatsinking. Compared to discrete-logic lighting drivers, this MCU gives designers a flexible platform to support multiple vehicle variants through firmware alone.
Recommandé
Industrial Sensor Conditioning Node
The MC9S12E32VFUE16R is ideal for industrial sensor conditioning nodes that must read multiple analog channels, apply digital filtering, and report results over SCI or SPI to a host controller. The on-chip 8-channel 10-bit ADC handles most low-bandwidth sensor inputs (temperature, pressure, voltage) without an external ADC. The 32 KB Flash accommodates calibration tables and linearization algorithms, while the 4 KB RAM provides buffer space for averaging filters and Modbus-style protocol stacks. The HCS12 core's deterministic interrupt response simplifies the implementation of scheduled sampling loops. The 80-LQFP footprint fits standard industrial form factors.
Recommandé
Seat Control Module (SCM)
In automotive seat control modules, the MC9S12E32VFUE16R manages motor PWM drives for seat position, lumbar, and heating functions. Its Enhanced Capture Timer and PWM peripherals provide multiple motor control channels, while its 60 GPIO lines accept switch matrix inputs and drive indicator LEDs. 32 KB Flash is sufficient for typical SCM firmware with diagnostics, and the Watchdog Timer ensures functional safety compliance in the event of firmware faults. The SCI peripheral supports LIN communication back to the BCM. The 80-LQFP package handles the SCM's thermal envelope in the seat environment.
Recommandé
Consumer Appliance Controller
The MC9S12E32VFUE16R powers consumer appliance controllers such as washing machine control boards, dishwasher control boards, and microwave oven control boards. Its 25 MHz HCS12 core handles main loop polling of switches and displays, while the on-chip ADC reads temperature sensors and current feedback. PWM channels drive motor/solenoid drivers and indicator LEDs. The 32 KB Flash comfortably stores the full feature set including diagnostic modes and field-update logic, and 4 KB RAM is sufficient for typical appliance firmware. The integrated Watchdog Timer ensures safe recovery from firmware faults, while the 80-LQFP package supports standard SMT assembly.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12E32VFUE16R — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12E64CFUE | MC9S12E128CFUE | MC9S12D32MFUE | MC9S12GC32MFUE | MC9S12DG128CFUE |
|---|---|---|---|---|---|---|
| Package | 80-LQFP (QFP 80, 14x14 mm) | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| CPU Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 32 KB | 64 KB (+100%) | 128 KB (+300%) | 32 KB (same) | 32 KB (same) | 128 KB (+300%) |
| GPIO Count | 60 | 60 | 60 | 60 | 60 | 60 |
| Connectivity | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | I2C, SCI, SPI (no EBI) | CAN, EBI/EMI, I2C, SCI, SPI |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit | 8-channel, 10-bit | 8-channel, 10-bit | 8-channel, 10-bit (may have fewer channels) | 8-channel, 10-bit |
Principaux différenciateurs
- Cost-optimized 32 KB Flash in the HCS12 family (vs MC9S12E128CFUE (128 KB Flash))
- Pin-to-pin upgradable to E128 in the same 80-LQFP footprint (vs MC9S12E64CFUE / MC9S12E128CFUE)
- HCS12 deterministic core with BDM debug support (vs MC9S12GC32MFUE (cost-down family))
- EBI/EMI external bus preserved (vs MC9S12GC32MFUE)
- Automotive-grade family heritage (vs Generic 16-bit MCU from non-automotive vendor)
Notes de conception
Estimated: The MC9S12E32VFUE16R draws typically 25-50 mA active at 25 MHz from a 5 V supply, with significantly reduced current in STOP/WAIT modes. For automotive applications with 12 V battery rails, design the input power section with a reverse-battery protection diode and a TVS clamp for load-dump transients. The internal voltage regulator (VDDR) requires adequate bulk/ceramic decoupling (typically 1 µF + 100 nF) on the VDDX pin to maintain stability. Use a separate analog VDD (VDDAD) layout island for ADC supply.
Estimated: At 25 MHz CPU activity and 5 V supply, the package dissipation is typically under 200 mW, well within the 80-LQFP thermal envelope of approximately 60-70 C/W theta_JA. The 80-LQFP package's exposed pad and 14x14 mm copper area spread the heat adequately. For extreme industrial temperature grades (-40C to +125C junction), verify the part number's operating temperature code: 'C' typically denotes commercial 0-70C, 'V' denotes automotive -40C to +125C.
Allocate the BDM (Background Debug Mode) header footprint even on production PCBs — this 2-pin or 6-pin connector is essential for firmware programming, in-field updates, and recovery from firmware faults. Keep the BKGD and RESET pins accessible (test points or pads) on the PCB. The external crystal or resonator at OSC1/OSC2 should be placed within 1 cm of the IC pins with short traces and a ground guard ring to minimize EMI susceptibility. ADC analog inputs (PADxx) should be routed away from digital switching lines to avoid coupling noise into measurements.
TEST pin (pin 13) MUST be tied to VDD5V in normal operation; failure to tie TEST high can cause unpredictable device behavior or lockout. The BKGD pin is shared with a normal-mode I/O function and must be reconfigured carefully if used as GPIO. The MODC signal of older Freescale HCS12 parts is hardwired on S12E and does not need external configuration. Watchdog Timer (COP) must be serviced by firmware or held disabled via the CONFIG register, otherwise unintended resets will occur after each COP timeout.
For SPI runs above 10 MHz and SCI lines below 100 kbps, route the signals with controlled impedance if trace length exceeds 5 cm. Add a small series resistor (22-33 ohm) at the MCU SPI output driver if multiple SPI slaves are on the bus, to dampen reflections. For SCI RX inputs, leave the unused RX pin pulled to a defined logic level (VDD or GND) to avoid noise-induced break detection.
Informations de conformité
RoHS compliance status requires confirmation against the NXP MC9S12E32VFUE16 product page; the trailing 'R' denotes tape-and-reel packaging not RoHS status. The S12E family is commonly available in lead-free / Pb-free process options per NXP manufacturing guidelines. AEC-Q100 grade not applicable for the commercial/industrial-grade MCU; for full AEC-Q100 qualified automotive S12E parts, look for variants with 'AE' or 'V' suffixes.
