S912XEP768J4CAL - HCS12X 16-bit MCU 768KB Flash | NXP Semiconductors
料号： S912XEP768J4CAL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： S912XEP768J4CAL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： S912XEP768J4CAL （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Temperature Grade, Co-processor, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
MC9S12XEP768CAG
✅ 直接替换✓ 有现货
$19.85 / 个
查看数据手册 →S912XEQ384J2CAL
✅ 直接替换✓ 有现货
$10.57 / 个
查看数据手册 →S912XEG384J2VAL
✅ 直接替换✓ 有现货
$17.8 / 个
查看数据手册 →S912XET512J2VAGR
✅ 直接替换✓ 有现货
$1 / 个
查看数据手册 →MC9S12XEQ384CAG
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →S912XEP768J4CAL 最大额定值与电气特性
| Core Architecture | HCS12X (CPU12X) |
| 数据总线宽度 | 16-bit |
| Program Memory Size | 768 KB (768K x 8) Flash |
| RAM Size | 64 KB |
| EEPROM Size | 32 KB |
| 最大时钟频率 | 50 MHz |
| Package Type | 112-LQFP (20x20 mm) |
| 引脚数 | 112 |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40C to +85C (industrial, suffix J4) |
| Co-processor | XGATE RISC peripheral co-processor |
| CAN Controllers | 4 x ms CAN 2.0 A/B |
| RoHS 状态 | Compliant |
| Temperature Grade | Industrial |
| Terminal Form | Gull Wing |
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
S912XEP768J4CAL 引脚配置
| 引脚 1 | VSS — Digital ground |
| 引脚 2 | VDDR — Regulated power supply for internal logic |
| 引脚 3 | VDDX — I/O supply voltage reference |
| 引脚 4 | VSSX — I/O ground reference |
| 引脚 5 | RESET_b — Active-low reset input, open-drain |
| 引脚 6 | MODC — Mode control / BDM input |
| 引脚 7 | MODB — Mode control input |
| 引脚 8 | MODA — Mode control input |
| 引脚 9 | XCLKS — Oscillator mode select |
| 引脚 10 | EXTAL — External clock / crystal input |
| 引脚 11 | XTAL — Crystal oscillator output |
| 引脚 12 | TEST — Test mode pin, tie to VSS |
| 引脚 13 | VDDA — Analog supply for ADC |
| 引脚 14 | VSSA — Analog ground for ADC |
| 引脚 15 | PAD0 — Port AD bit 0 / AN0 (ADC input) |
| 引脚 16 | PAD1 — Port AD bit 1 / AN1 (ADC input) |
| 引脚 17 | PAD2 — Port AD bit 2 / AN2 (ADC input) |
| 引脚 18 | PAD3 — Port AD bit 3 / AN3 (ADC input) |
| 引脚 19 | PAD4 — Port AD bit 4 / AN4 (ADC input) |
| 引脚 20 | PAD5 — Port AD bit 5 / AN5 (ADC input) |
| 引脚 21 | PAD6 — Port AD bit 6 / AN6 (ADC input) |
| 引脚 22 | PAD7 — Port AD bit 7 / AN7 (ADC input) |
| 引脚 23 | VRL — ADC voltage reference low |
| 引脚 24 | VRH — ADC voltage reference high |
| 引脚 25 | PWM0 — Pulse width modulator output 0 |
| 引脚 26 | PWM1 — Pulse width modulator output 1 |
| 引脚 27 | PWM2 — Pulse width modulator output 2 |
| 引脚 28 | PWM3 — Pulse width modulator output 3 |
| 引脚 29 | PWM4 — Pulse width modulator output 4 |
| 引脚 30 | PWM5 — Pulse width modulator output 5 |
| 引脚 31 | PWM6 — Pulse width modulator output 6 |
| 引脚 32 | PWM7 — Pulse width modulator output 7 |
| 引脚 33 | VSS — Digital ground |
| 引脚 34 | VDD — Digital supply voltage (5V) |
| 引脚 35 | BKGD — Background debug mode (BDM) |
| 引脚 36 | TXCAN0 — CAN0 transmit output |
| 引脚 37 | RXCAN0 — CAN0 receive input |
| 引脚 38 | TXCAN1 — CAN1 transmit output |
| 引脚 39 | RXCAN1 — CAN1 receive input |
| 引脚 40 | TXCAN2 — CAN2 transmit output |
| 引脚 41 | RXCAN2 — CAN2 receive input |
| 引脚 42 | TXCAN3 — CAN3 transmit output |
| 引脚 43 | RXCAN3 — CAN3 receive input |
| 引脚 44 | SCIRX0 — SCI0 receive input (UART) |
| 引脚 45 | SCITX0 — SCI0 transmit output (UART) |
| 引脚 46 | SCIRX1 — SCI1 receive input (UART) |
| 引脚 47 | SCITX1 — SCI1 transmit output (UART) |
| 引脚 48 | SCIRX2 — SCI2 receive input (UART) |
| 引脚 49 | SCITX2 — SCI2 transmit output (UART) |
| 引脚 50 | VSS — Digital ground |
| 引脚 51 | VDD — Digital supply voltage (5V) |
| 引脚 52 | MOSI0 — SPI0 master out / slave in |
| 引脚 53 | MISO0 — SPI0 master in / slave out |
| 引脚 54 | SCK0 — SPI0 serial clock |
| 引脚 55 | SS0_b — SPI0 slave select (active low) |
| 引脚 56 | MOSI1 — SPI1 master out / slave in |
| 引脚 57 | MISO1 — SPI1 master in / slave out |
| 引脚 58 | SCK1 — SPI1 serial clock |
| 引脚 59 | SS1_b — SPI1 slave select (active low) |
| 引脚 60 | SDA0 — I2C0 serial data |
| 引脚 61 | SCL0 — I2C0 serial clock |
| 引脚 62 | SDA1 — I2C1 serial data |
| 引脚 63 | SCL1 — I2C1 serial clock |
| 引脚 64 | VSS — Digital ground |
| 引脚 65 | VDD — Digital supply voltage (5V) |
| 引脚 66 | IOC0 — Timer input capture / output compare 0 |
| 引脚 67 | IOC1 — Timer input capture / output compare 1 |
| 引脚 68 | IOC2 — Timer input capture / output compare 2 |
| 引脚 69 | IOC3 — Timer input capture / output compare 3 |
| 引脚 70 | IOC4 — Timer input capture / output compare 4 |
| 引脚 71 | IOC5 — Timer input capture / output compare 5 |
| 引脚 72 | IOC6 — Timer input capture / output compare 6 |
| 引脚 73 | IOC7 — Timer input capture / output compare 7 |
| 引脚 74 | PE0 — Port E bit 0 / XIRQ |
| 引脚 75 | PE1 — Port E bit 1 / IRQ |
| 引脚 76 | PE2 — Port E bit 2 / XIRQ |
| 引脚 77 | PE3 — Port E bit 3 / IRQ |
| 引脚 78 | PE4 — Port E bit 4 / SS2_b |
| 引脚 79 | PE5 — Port E bit 5 / MOSI2 |
| 引脚 80 | PE6 — Port E bit 6 / MISO2 |
| 引脚 81 | PE7 — Port E bit 7 / SCK2 |
| 引脚 82 | VSS — Digital ground |
| 引脚 83 | VDD — Digital supply voltage (5V) |
| 引脚 84 | PJ0 — Port J bit 0 / KWUA0 |
| 引脚 85 | PJ1 — Port J bit 1 / KWUA1 |
| 引脚 86 | PJ2 — Port J bit 2 / KWUA2 |
| 引脚 87 | PJ3 — Port J bit 3 / KWUA3 |
| 引脚 88 | PJ4 — Port J bit 4 / KWUA4 |
| 引脚 89 | PJ5 — Port J bit 5 / KWUA5 |
| 引脚 90 | PJ6 — Port J bit 6 / KWUA6 |
| 引脚 91 | PJ7 — Port J bit 7 / KWUA7 |
| 引脚 92 | PP0 — Port P bit 0 / PWM8 |
| 引脚 93 | PP1 — Port P bit 1 / PWM9 |
| 引脚 94 | PP2 — Port P bit 2 / PWM10 |
| 引脚 95 | PP3 — Port P bit 3 / PWM11 |
| 引脚 96 | PP4 — Port P bit 4 / PWM12 |
| 引脚 97 | PP5 — Port P bit 5 / PWM13 |
| 引脚 98 | PP6 — Port P bit 6 / PWM14 |
| 引脚 99 | PP7 — Port P bit 7 / PWM15 |
| 引脚 100 | VSS — Digital ground |
| 引脚 101 | VDD — Digital supply voltage (5V) |
| 引脚 102 | PT0 — Port T bit 0 / IOC0 alt |
| 引脚 103 | PT1 — Port T bit 1 / IOC1 alt |
| 引脚 104 | PT2 — Port T bit 2 / IOC2 alt |
| 引脚 105 | PT3 — Port T bit 3 / IOC3 alt |
| 引脚 106 | PT4 — Port T bit 4 / IOC4 alt |
| 引脚 107 | PT5 — Port T bit 5 / IOC5 alt |
| 引脚 108 | PT6 — Port T bit 6 / IOC6 alt |
| 引脚 109 | PT7 — Port T bit 7 / IOC7 alt |
| 引脚 110 | PS0 — Port S bit 0 / SPI2 alt |
| 引脚 111 | PS1 — Port S bit 1 / SPI2 alt |
| 引脚 112 | VSS — Digital ground (last pin) |
典型应用
S912XEP768J4CAL 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： S912XEP768J4CAL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Highest Flash density in the HCS12X LQFP-112 line （对比 S912XEQ384J2CAL)
- Larger RAM for buffering CAN and DMA workloads （对比 S912XET512J2VAGR)
- Industrial temperature grade suited to under-hood environments （对比 S912XEG384J2VAL)
设计说明
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.
合规信息
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.
