S912XEP768J4CAL - HCS12X 16-bit MCU 768KB Flash | NXP Semiconductors
Référence : S912XEP768J4CAL ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $12.85 | $12,85 |
| 10 | $11.4 | $114,00 |
| 100 | $9.95 | $995,00 |
| 500 | $8.55 | $4 275,00 |
| 1 000 | $7.4 | $7 400,00 |
S912XEP768J4CAL Présentation
A microcontroller (MCU) is an integrated circuit that combines a processor core, program and data memory, and a rich set of peripherals into a single chip. The HCS12X line extends the legacy HCS12 architecture by adding a peripheral co-processor (XGATE) that handles short interrupt routines and DMA-style data movement in parallel with the CPU, raising effective throughput for CAN, LIN, SPI, and PWM workloads. Within the broader taxonomy, the S912XEP768J4CAL sits at microcontroller -> 16-bit MCU -> HCS12X family -> automotive/industrial grade MCU.
Key differentiating specifications include the 768 KB Flash (organized as 768K x 8), 64 KB RAM, 32 KB EEPROM, XGATE RISC co-processor, four ms CAN 2.0 A/B controllers, multiple SCI/SPI/I2C interfaces, an 8-channel 10-bit ADC, and a 16-channel enhanced capture timer. The wide memory density and rich peripheral mix allow a single chip to replace external memory and several companion logic devices in body, chassis, and powertrain nodes.
The S912XEP768J4CAL uses the proven CPU12X core with background debug mode (BDM) for non-intrusive in-circuit development, and supports single-wire debugging plus on-chip hardware breakpoint comparators. An integrated voltage regulator and oscillator driver simplify BOM count, while the industrial operating temperature range of -40C to +85C (suffix J4) suits under-hood and factory-floor environments.
Typical applications include automotive body control modules, CAN gateway nodes, industrial PLC expansion cards, sensor hub MCUs, and HVAC or lighting controllers where the XGATE offload engine excels. The combination of large Flash plus EEPROM also suits field-updatable firmware deployments requiring dual-bank or EEPROM-backed data logging.
When designing with this part, budget for the LQFP-112 land pattern and provide robust ground stitching beneath the exposed pad if a thermal pad variant is used. Place decoupling capacitors as close to each VDD/VSS pair as the layout allows, and route the external oscillator traces symmetrically with a guard ground to minimize EMI.
This page synthesizes distributor pricing, verified parametric data, drop-in compatible alternatives, and practical PCB and firmware design notes that go beyond what the manufacturer PDF alone typically provides.
Alternatives de remplacement direct pour S912XEP768J4CAL — 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 S912XEP768J4CAL (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Temperature Grade, Co-processor, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12XEP768CAG
✅ Remplacement direct✓ En stock
$19.85 / unité
Voir la fiche technique →S912XEQ384J2CAL
✅ Remplacement direct✓ En stock
$10.57 / unité
Voir la fiche technique →S912XEG384J2VAL
✅ Remplacement direct✓ En stock
$17.8 / unité
Voir la fiche technique →S912XET512J2VAGR
✅ Remplacement direct✓ En stock
$1 / unité
Voir la fiche technique →MC9S12XEQ384CAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →S912XEP768J4CAL Valeurs maximales et caractéristiques électriques
| Core Architecture | HCS12X (CPU12X) |
| Largeur du bus de données | 16-bit |
| Program Memory Size | 768 KB (768K x 8) Flash |
| RAM Size | 64 KB |
| EEPROM Size | 32 KB |
| Fréquence d'horloge maximale | 50 MHz |
| Package Type | 112-LQFP (20x20 mm) |
| Nombre de broches | 112 |
| Type de montage | Surface Mount |
| Plage de température de fonctionnement | -40C to +85C (industrial, suffix J4) |
| Co-processor | XGATE RISC peripheral co-processor |
| CAN Controllers | 4 x ms CAN 2.0 A/B |
| Statut RoHS | Compliant |
| Temperature Grade | Industrial |
| Terminal Form | Gull Wing |
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
Configuration des broches de S912XEP768J4CAL
| Broche 1 | VSS — Digital ground |
| Broche 2 | VDDR — Regulated power supply for internal logic |
| Broche 3 | VDDX — I/O supply voltage reference |
| Broche 4 | VSSX — I/O ground reference |
| Broche 5 | RESET_b — Active-low reset input, open-drain |
| Broche 6 | MODC — Mode control / BDM input |
| Broche 7 | MODB — Mode control input |
| Broche 8 | MODA — Mode control input |
| Broche 9 | XCLKS — Oscillator mode select |
| Broche 10 | EXTAL — External clock / crystal input |
| Broche 11 | XTAL — Crystal oscillator output |
| Broche 12 | TEST — Test mode pin, tie to VSS |
| Broche 13 | VDDA — Analog supply for ADC |
| Broche 14 | VSSA — Analog ground for ADC |
| Broche 15 | PAD0 — Port AD bit 0 / AN0 (ADC input) |
| Broche 16 | PAD1 — Port AD bit 1 / AN1 (ADC input) |
| Broche 17 | PAD2 — Port AD bit 2 / AN2 (ADC input) |
| Broche 18 | PAD3 — Port AD bit 3 / AN3 (ADC input) |
| Broche 19 | PAD4 — Port AD bit 4 / AN4 (ADC input) |
| Broche 20 | PAD5 — Port AD bit 5 / AN5 (ADC input) |
| Broche 21 | PAD6 — Port AD bit 6 / AN6 (ADC input) |
| Broche 22 | PAD7 — Port AD bit 7 / AN7 (ADC input) |
| Broche 23 | VRL — ADC voltage reference low |
| Broche 24 | VRH — ADC voltage reference high |
| Broche 25 | PWM0 — Pulse width modulator output 0 |
| Broche 26 | PWM1 — Pulse width modulator output 1 |
| Broche 27 | PWM2 — Pulse width modulator output 2 |
| Broche 28 | PWM3 — Pulse width modulator output 3 |
| Broche 29 | PWM4 — Pulse width modulator output 4 |
| Broche 30 | PWM5 — Pulse width modulator output 5 |
| Broche 31 | PWM6 — Pulse width modulator output 6 |
| Broche 32 | PWM7 — Pulse width modulator output 7 |
| Broche 33 | VSS — Digital ground |
| Broche 34 | VDD — Digital supply voltage (5V) |
| Broche 35 | BKGD — Background debug mode (BDM) |
| Broche 36 | TXCAN0 — CAN0 transmit output |
| Broche 37 | RXCAN0 — CAN0 receive input |
| Broche 38 | TXCAN1 — CAN1 transmit output |
| Broche 39 | RXCAN1 — CAN1 receive input |
| Broche 40 | TXCAN2 — CAN2 transmit output |
| Broche 41 | RXCAN2 — CAN2 receive input |
| Broche 42 | TXCAN3 — CAN3 transmit output |
| Broche 43 | RXCAN3 — CAN3 receive input |
| Broche 44 | SCIRX0 — SCI0 receive input (UART) |
| Broche 45 | SCITX0 — SCI0 transmit output (UART) |
| Broche 46 | SCIRX1 — SCI1 receive input (UART) |
| Broche 47 | SCITX1 — SCI1 transmit output (UART) |
| Broche 48 | SCIRX2 — SCI2 receive input (UART) |
| Broche 49 | SCITX2 — SCI2 transmit output (UART) |
| Broche 50 | VSS — Digital ground |
| Broche 51 | VDD — Digital supply voltage (5V) |
| Broche 52 | MOSI0 — SPI0 master out / slave in |
| Broche 53 | MISO0 — SPI0 master in / slave out |
| Broche 54 | SCK0 — SPI0 serial clock |
| Broche 55 | SS0_b — SPI0 slave select (active low) |
| Broche 56 | MOSI1 — SPI1 master out / slave in |
| Broche 57 | MISO1 — SPI1 master in / slave out |
| Broche 58 | SCK1 — SPI1 serial clock |
| Broche 59 | SS1_b — SPI1 slave select (active low) |
| Broche 60 | SDA0 — I2C0 serial data |
| Broche 61 | SCL0 — I2C0 serial clock |
| Broche 62 | SDA1 — I2C1 serial data |
| Broche 63 | SCL1 — I2C1 serial clock |
| Broche 64 | VSS — Digital ground |
| Broche 65 | VDD — Digital supply voltage (5V) |
| Broche 66 | IOC0 — Timer input capture / output compare 0 |
| Broche 67 | IOC1 — Timer input capture / output compare 1 |
| Broche 68 | IOC2 — Timer input capture / output compare 2 |
| Broche 69 | IOC3 — Timer input capture / output compare 3 |
| Broche 70 | IOC4 — Timer input capture / output compare 4 |
| Broche 71 | IOC5 — Timer input capture / output compare 5 |
| Broche 72 | IOC6 — Timer input capture / output compare 6 |
| Broche 73 | IOC7 — Timer input capture / output compare 7 |
| Broche 74 | PE0 — Port E bit 0 / XIRQ |
| Broche 75 | PE1 — Port E bit 1 / IRQ |
| Broche 76 | PE2 — Port E bit 2 / XIRQ |
| Broche 77 | PE3 — Port E bit 3 / IRQ |
| Broche 78 | PE4 — Port E bit 4 / SS2_b |
| Broche 79 | PE5 — Port E bit 5 / MOSI2 |
| Broche 80 | PE6 — Port E bit 6 / MISO2 |
| Broche 81 | PE7 — Port E bit 7 / SCK2 |
| Broche 82 | VSS — Digital ground |
| Broche 83 | VDD — Digital supply voltage (5V) |
| Broche 84 | PJ0 — Port J bit 0 / KWUA0 |
| Broche 85 | PJ1 — Port J bit 1 / KWUA1 |
| Broche 86 | PJ2 — Port J bit 2 / KWUA2 |
| Broche 87 | PJ3 — Port J bit 3 / KWUA3 |
| Broche 88 | PJ4 — Port J bit 4 / KWUA4 |
| Broche 89 | PJ5 — Port J bit 5 / KWUA5 |
| Broche 90 | PJ6 — Port J bit 6 / KWUA6 |
| Broche 91 | PJ7 — Port J bit 7 / KWUA7 |
| Broche 92 | PP0 — Port P bit 0 / PWM8 |
| Broche 93 | PP1 — Port P bit 1 / PWM9 |
| Broche 94 | PP2 — Port P bit 2 / PWM10 |
| Broche 95 | PP3 — Port P bit 3 / PWM11 |
| Broche 96 | PP4 — Port P bit 4 / PWM12 |
| Broche 97 | PP5 — Port P bit 5 / PWM13 |
| Broche 98 | PP6 — Port P bit 6 / PWM14 |
| Broche 99 | PP7 — Port P bit 7 / PWM15 |
| Broche 100 | VSS — Digital ground |
| Broche 101 | VDD — Digital supply voltage (5V) |
| Broche 102 | PT0 — Port T bit 0 / IOC0 alt |
| Broche 103 | PT1 — Port T bit 1 / IOC1 alt |
| Broche 104 | PT2 — Port T bit 2 / IOC2 alt |
| Broche 105 | PT3 — Port T bit 3 / IOC3 alt |
| Broche 106 | PT4 — Port T bit 4 / IOC4 alt |
| Broche 107 | PT5 — Port T bit 5 / IOC5 alt |
| Broche 108 | PT6 — Port T bit 6 / IOC6 alt |
| Broche 109 | PT7 — Port T bit 7 / IOC7 alt |
| Broche 110 | PS0 — Port S bit 0 / SPI2 alt |
| Broche 111 | PS1 — Port S bit 1 / SPI2 alt |
| Broche 112 | VSS — Digital ground (last pin) |
Applications typiques
S912XEP768J4CAL convient pour 6 applications: Automotive Body Control Module, CAN Gateway Node, Industrial PLC Expansion Card, HVAC Climate Controller, Sensor Hub MCU, Lighting Control ECU.
Automotive Body Control Module
The S912XEP768J4CAL fits automotive body controllers because its 768 KB Flash accommodates large BCM firmware stacks with CAN/LIN stacks, while the four ms CAN 2.0 A/B controllers handle body and chassis bus traffic simultaneously. The XGATE RISC co-processor offloads CAN message handling, freeing the CPU12X to run application logic. Industrial temperature grade -40C to +85C suits cabin and under-hood-adjacent placements.
Recommandé
CAN Gateway Node
As a CAN gateway, the S912XEP768J4CAL bridges powertrain, body, and diagnostic CAN buses using its four integrated CAN controllers, eliminating external bridge ICs. The XGATE engine runs filtering and routing tables at zero CPU overhead, while 768 KB Flash holds full gateway routing tables and OEM-specific diagnostic firmware. The 64 KB RAM supports buffering multiple CAN payloads during burst conditions.
Recommandé
Industrial PLC Expansion Card
In industrial PLCs the S912XEP768J4CAL serves as an expansion-card MCU with 768 KB Flash for ladder-logic engines and 32 KB EEPROM for recipe storage. The 16-bit HCS12X core runs deterministic PID loops while the XGATE handles high-speed pulse counting via the enhanced capture timer. The four CAN controllers support industrial CANopen and DeviceNet slave operation without external bus ICs.
Recommandé
HVAC Climate Controller
HVAC climate modules leverage the S912XEP768J4CAL's 8-channel ADC for temperature and humidity sensing, the enhanced capture timer for blower PWM, and 768 KB Flash for adaptive control algorithms. The XGATE offloads fan-speed closed-loop control, freeing the CPU for cabin climate logic and CAN diagnostics. Industrial temperature grade ensures reliable operation near heater cores.
Recommandé
Sensor Hub MCU
Sensor hub applications use the S912XEP768J4CAL's 64 KB RAM and XGATE engine to aggregate SPI and I2C sensor streams, preprocess data, and forward summarized results over CAN. The 32 KB EEPROM retains calibration constants across power cycles, and 768 KB Flash supports on-device DSP-style filtering algorithms. Industrial temperature grade suits factory-floor sensor installations.
Recommandé
Lighting Control ECU
Lighting control ECUs benefit from the S912XEP768J4CAL's enhanced PWM channels for dimming, the XGATE for flicker-free PWM update, and CAN bus connectivity for body-network integration. The 32 KB EEPROM stores per-channel calibration and dim curves. The industrial temperature range covers both exterior headlamp and interior ambient lighting environments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour S912XEP768J4CAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S12XEP768CAG | S912XEQ384J2CAL | S912XEG384J2VAL | S912XET512J2VAGR | MC9S12XEQ384CAG |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 (20x20 mm) | LQFP-144 | LQFP-112 (same) | LQFP-112 (same) | LQFP-144 | LQFP-144 |
| Core Architecture | HCS12X (CPU12X) | HCS12X (same) | HCS12X (same) | HCS12X (same) | HCS12X (same) | HCS12X (same) |
| Flash Memory | 768 KB | 768 KB (same) | 384 KB | 384 KB | 512 KB | 384 KB |
| RAM Size | 64 KB | 64 KB (same) | 32 KB | 32 KB | 32 KB | 32 KB |
| Maximum Frequency | 50 MHz | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) | 50 MHz (same) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +105C (extended) | -40C to +105C (extended) | -40C to +85C |
| CAN Controllers | 4 x ms CAN 2.0 A/B | 4 x ms CAN (same) | 4 x ms CAN (same) | 4 x ms CAN (same) | 4 x ms CAN (same) | 4 x ms CAN (same) |
| XGATE Co-processor | Yes | Yes (same) | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Highest Flash density in the HCS12X LQFP-112 line (vs S912XEQ384J2CAL)
- Larger RAM for buffering CAN and DMA workloads (vs S912XET512J2VAGR)
- Industrial temperature grade suited to under-hood environments (vs S912XEG384J2VAL)
Notes de conception
The S912XEP768J4CAL requires a clean 5V supply on VDD pins and a regulated internal rail on VDDR (typically 2.5V generated internally). Place 100 nF ceramic decoupling within 5 mm of every VDD/VSS pair and a 10 uF bulk capacitor near the VDD pins. If using the internal voltage regulator, ensure VDDR has its own 100 nF + 4.7 uF pair. Estimated: at 50 MHz, core current is approximately 60-80 mA depending on peripheral activity, plus 20 mA per active CAN controller.
Route the EXTAL/XTAL traces symmetrically and surround them with a guard ground that connects to the analog ground at a single point near the chip. Keep crystal traces short (<10 mm) to avoid EMI pickup. The BKGD and RESET_b traces must be short and routed away from PWM or CAN outputs to prevent in-circuit noise from triggering spurious BDM entry. Provide a TEST pin tie-down to VSS to disable factory test mode.
Do not leave MODA/MODB/MODC floating at power-up; the default mode determines whether the part boots from internal Flash or waits in BDM. Always wait at least 50 clock cycles after RESET_b goes high before issuing BDM commands, or the BDM will return a sync error. Also, do not enable all four CAN controllers simultaneously in the lowest loop mode without confirming the bus termination is correct, as this will flood the bus with error frames.
Although the HCS12X core runs at modest power, the 768 KB Flash read during continuous ADC sampling can elevate die temperature. Estimated: typical power dissipation at 50 MHz with 3 active CAN controllers and ADC running at 1 MSPS is approximately 350-450 mW. The LQFP-112 has theta_JA around 45 C/W on a standard 4-layer JEDEC test board, giving a 20C rise. Derate above 70C ambient by reducing clock or peripheral count.
Informations de conformité
RoHS and REACH compliant per distributor listings; JLCPCB and LCSC explicitly mark the part ROHS. The S912XEP768J4CAL is industrial-grade (suffix J4), not AEC-Q100 qualified. For AEC-Q100 designs use automotive-graded S912XEQ384J2CAL-V or similar variants.