S912XEP768J4CAL - HCS12X 16-bit MCU 768KB Flash | NXP Semiconductors
MPN: S912XEP768J4CAL ✓ فعالS912XEP768J4CAL نمای کلی
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.
جایگزین‌های drop-in برای S912XEP768J4CAL — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای S912XEP768J4CAL (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, Temperature Grade, Co-processor, Core Architecture.
MC9S12XEP768CAG
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEQ384J2CAL
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEG384J2VAL
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XET512J2VAGR
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←MC9S12XEQ384CAG
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S912XEP768J4CAL حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | HCS12X (CPU12X) |
| عرض گذرگاه داده | 16-bit |
| Program Memory Size | 768 KB (768K x 8) Flash |
| RAM Size | 64 KB |
| EEPROM Size | 32 KB |
| حداکثر فرکانس کلاک | 50 MHz |
| Package Type | 112-LQFP (20x20 mm) |
| تعداد پین‌ها | 112 |
| نوع نصب | Surface Mount |
| محدوده دمای کاری | -40C to +85C (industrial, suffix J4) |
| Co-processor | XGATE RISC peripheral co-processor |
| CAN Controllers | 4 x ms CAN 2.0 A/B |
| وضعیت RoHS | Compliant |
| Temperature Grade | Industrial |
| Terminal Form | Gull Wing |
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
پیکربندی پین S912XEP768J4CAL
| پین 1 | VSS — Digital ground |
| پین 2 | VDDR — Regulated power supply for internal logic |
| پین 3 | VDDX — I/O supply voltage reference |
| پین 4 | VSSX — I/O ground reference |
| پین 5 | RESET_b — Active-low reset input, open-drain |
| پین 6 | MODC — Mode control / BDM input |
| پین 7 | MODB — Mode control input |
| پین 8 | MODA — Mode control input |
| پین 9 | XCLKS — Oscillator mode select |
| پین 10 | EXTAL — External clock / crystal input |
| پین 11 | XTAL — Crystal oscillator output |
| پین 12 | TEST — Test mode pin, tie to VSS |
| پین 13 | VDDA — Analog supply for ADC |
| پین 14 | VSSA — Analog ground for ADC |
| پین 15 | PAD0 — Port AD bit 0 / AN0 (ADC input) |
| پین 16 | PAD1 — Port AD bit 1 / AN1 (ADC input) |
| پین 17 | PAD2 — Port AD bit 2 / AN2 (ADC input) |
| پین 18 | PAD3 — Port AD bit 3 / AN3 (ADC input) |
| پین 19 | PAD4 — Port AD bit 4 / AN4 (ADC input) |
| پین 20 | PAD5 — Port AD bit 5 / AN5 (ADC input) |
| پین 21 | PAD6 — Port AD bit 6 / AN6 (ADC input) |
| پین 22 | PAD7 — Port AD bit 7 / AN7 (ADC input) |
| پین 23 | VRL — ADC voltage reference low |
| پین 24 | VRH — ADC voltage reference high |
| پین 25 | PWM0 — Pulse width modulator output 0 |
| پین 26 | PWM1 — Pulse width modulator output 1 |
| پین 27 | PWM2 — Pulse width modulator output 2 |
| پین 28 | PWM3 — Pulse width modulator output 3 |
| پین 29 | PWM4 — Pulse width modulator output 4 |
| پین 30 | PWM5 — Pulse width modulator output 5 |
| پین 31 | PWM6 — Pulse width modulator output 6 |
| پین 32 | PWM7 — Pulse width modulator output 7 |
| پین 33 | VSS — Digital ground |
| پین 34 | VDD — Digital supply voltage (5V) |
| پین 35 | BKGD — Background debug mode (BDM) |
| پین 36 | TXCAN0 — CAN0 transmit output |
| پین 37 | RXCAN0 — CAN0 receive input |
| پین 38 | TXCAN1 — CAN1 transmit output |
| پین 39 | RXCAN1 — CAN1 receive input |
| پین 40 | TXCAN2 — CAN2 transmit output |
| پین 41 | RXCAN2 — CAN2 receive input |
| پین 42 | TXCAN3 — CAN3 transmit output |
| پین 43 | RXCAN3 — CAN3 receive input |
| پین 44 | SCIRX0 — SCI0 receive input (UART) |
| پین 45 | SCITX0 — SCI0 transmit output (UART) |
| پین 46 | SCIRX1 — SCI1 receive input (UART) |
| پین 47 | SCITX1 — SCI1 transmit output (UART) |
| پین 48 | SCIRX2 — SCI2 receive input (UART) |
| پین 49 | SCITX2 — SCI2 transmit output (UART) |
| پین 50 | VSS — Digital ground |
| پین 51 | VDD — Digital supply voltage (5V) |
| پین 52 | MOSI0 — SPI0 master out / slave in |
| پین 53 | MISO0 — SPI0 master in / slave out |
| پین 54 | SCK0 — SPI0 serial clock |
| پین 55 | SS0_b — SPI0 slave select (active low) |
| پین 56 | MOSI1 — SPI1 master out / slave in |
| پین 57 | MISO1 — SPI1 master in / slave out |
| پین 58 | SCK1 — SPI1 serial clock |
| پین 59 | SS1_b — SPI1 slave select (active low) |
| پین 60 | SDA0 — I2C0 serial data |
| پین 61 | SCL0 — I2C0 serial clock |
| پین 62 | SDA1 — I2C1 serial data |
| پین 63 | SCL1 — I2C1 serial clock |
| پین 64 | VSS — Digital ground |
| پین 65 | VDD — Digital supply voltage (5V) |
| پین 66 | IOC0 — Timer input capture / output compare 0 |
| پین 67 | IOC1 — Timer input capture / output compare 1 |
| پین 68 | IOC2 — Timer input capture / output compare 2 |
| پین 69 | IOC3 — Timer input capture / output compare 3 |
| پین 70 | IOC4 — Timer input capture / output compare 4 |
| پین 71 | IOC5 — Timer input capture / output compare 5 |
| پین 72 | IOC6 — Timer input capture / output compare 6 |
| پین 73 | IOC7 — Timer input capture / output compare 7 |
| پین 74 | PE0 — Port E bit 0 / XIRQ |
| پین 75 | PE1 — Port E bit 1 / IRQ |
| پین 76 | PE2 — Port E bit 2 / XIRQ |
| پین 77 | PE3 — Port E bit 3 / IRQ |
| پین 78 | PE4 — Port E bit 4 / SS2_b |
| پین 79 | PE5 — Port E bit 5 / MOSI2 |
| پین 80 | PE6 — Port E bit 6 / MISO2 |
| پین 81 | PE7 — Port E bit 7 / SCK2 |
| پین 82 | VSS — Digital ground |
| پین 83 | VDD — Digital supply voltage (5V) |
| پین 84 | PJ0 — Port J bit 0 / KWUA0 |
| پین 85 | PJ1 — Port J bit 1 / KWUA1 |
| پین 86 | PJ2 — Port J bit 2 / KWUA2 |
| پین 87 | PJ3 — Port J bit 3 / KWUA3 |
| پین 88 | PJ4 — Port J bit 4 / KWUA4 |
| پین 89 | PJ5 — Port J bit 5 / KWUA5 |
| پین 90 | PJ6 — Port J bit 6 / KWUA6 |
| پین 91 | PJ7 — Port J bit 7 / KWUA7 |
| پین 92 | PP0 — Port P bit 0 / PWM8 |
| پین 93 | PP1 — Port P bit 1 / PWM9 |
| پین 94 | PP2 — Port P bit 2 / PWM10 |
| پین 95 | PP3 — Port P bit 3 / PWM11 |
| پین 96 | PP4 — Port P bit 4 / PWM12 |
| پین 97 | PP5 — Port P bit 5 / PWM13 |
| پین 98 | PP6 — Port P bit 6 / PWM14 |
| پین 99 | PP7 — Port P bit 7 / PWM15 |
| پین 100 | VSS — Digital ground |
| پین 101 | VDD — Digital supply voltage (5V) |
| پین 102 | PT0 — Port T bit 0 / IOC0 alt |
| پین 103 | PT1 — Port T bit 1 / IOC1 alt |
| پین 104 | PT2 — Port T bit 2 / IOC2 alt |
| پین 105 | PT3 — Port T bit 3 / IOC3 alt |
| پین 106 | PT4 — Port T bit 4 / IOC4 alt |
| پین 107 | PT5 — Port T bit 5 / IOC5 alt |
| پین 108 | PT6 — Port T bit 6 / IOC6 alt |
| پین 109 | PT7 — Port T bit 7 / IOC7 alt |
| پین 110 | PS0 — Port S bit 0 / SPI2 alt |
| پین 111 | PS1 — Port S bit 1 / SPI2 alt |
| پین 112 | VSS — Digital ground (last pin) |
کاربردهای معمول
S912XEP768J4CAL مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای S912XEP768J4CAL — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- Highest Flash density in the HCS12X LQFP-112 line (در مقابلS912XEQ384J2CAL)
- Larger RAM for buffering CAN and DMA workloads (در مقابلS912XET512J2VAGR)
- Industrial temperature grade suited to under-hood environments (در مقابلS912XEG384J2VAL)
یادداشت‌های طراحی
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.
اطلاعات انطباق
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.
