S912XEQ512J3VAG - 16-Bit 50MHz S12X MCU, 512KB Flash | NXP
MPN: S912XEQ512J3VAG ✓ Hoạt độngS912XEQ512J3VAG Tóm tắt
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of programmable peripherals into one device. The HCS12X family is NXP's enhanced 16-bit CISC core architecture used in automotive body electronics, combining deterministic interrupt handling with the XGATE peripheral co-processor that offloads interrupt-driven tasks and emulates additional virtual peripherals. Within the broader taxonomy, this part sits as: HCS12X CPU -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor IC.
Key features include 512 KB Flash, 32 KB SRAM, 4 KB EEPROM, an XGATE co-processor for offloading interrupt service routines, a memory protection unit with supervisor/user modes, and a flexible peripheral set including CAN, SCI/SPI, PWM, timers, and an 8/10/12-bit ADC. The 50 MHz CPU provides up to 50 MIPS throughput for real-time control loops, while wide supply flexibility allows direct connection to 3.3 V or 5 V automotive buses.
Typical applications include automotive body controllers, gateway modules, instrument clusters, HVAC control modules, and industrial PLC nodes where deterministic 16-bit performance and automotive qualification matter. A 144-pin LQFP footprint gives generous I/O access for multi-CAN and LIN networks plus analog sensor inputs. Use external NPN/PNP drivers when controlling LEDs, solenoids, or relays since the I/O pins source/sink only modest current. Verify QSPI timing with the bus clock and place bulk decoupling capacitors within 5 mm of the power pins to ride out cranking transients on the 12 V supply.
Bộ thay thế dễ dàng lắp đặt cho S912XEQ512J3VAG — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với S912XEQ512J3VAG (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core, EEPROM, Mounting Type.
S912XEQ512J2MAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET512J3MAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ384J3CALR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEQ512MAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEG128MAA
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ512J3VAG Tỷ lệ tối đa & tính chất điện
| Core Architecture | HCS12X (16-bit CISC) |
| Maximum CPU Frequency | 50 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| XGATE Co-processor | Yes |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Operating Voltage | 1.8 V / 2.8 V / 5 V |
| Khoảng nhiệt độ hoạt động | -40 C to +105 C (Automotive Grade 1) |
| Hộp | 144-LQFP (20x20 mm) |
| Kiểu lắp đặt | Surface Mount |
| AEC-Q100 Qualification | Qualified |
| Trạng thái RoHS | Compliant |
Cấu hình chân S912XEQ512J3VAG
| Chân 1 | VSS — Digital ground reference for core logic |
| Chân 2 | VDDR — Voltage regulator supply for internal logic |
| Chân 3 | VDDX1 — External I/O supply 1 (1.8/2.8/5 V) |
| Chân 4 | VDDX2 — External I/O supply 2 |
| Chân 5 | TEST — Test mode pin - tie to VSS in application |
| Chân 6 | RESET — Active-low reset input |
| Chân 7 | Background/Debug — Single-wire debug and Flash programming |
| Chân 8 | XCLKS — Oscillator clock select |
| Chân 9 | EXTAL — External clock/crystal input |
| Chân 10 | XTAL — Crystal oscillator output |
| Chân 11 | VSSPLL — PLL ground |
| Chân 12 | VDDPLL — PLL supply |
| Chân 13 | PAD0 — Port AD bit 0 (ADC channel 0) |
| Chân 14 | PAD1 — Port AD bit 1 (ADC channel 1) |
| Chân 15 | PAD2 — Port AD bit 2 (ADC channel 2) |
| Chân 16 | PAD3 — Port AD bit 3 (ADC channel 3) |
| Chân 17 | PAD4 — Port AD bit 4 (ADC channel 4) |
| Chân 18 | PAD5 — Port AD bit 5 (ADC channel 5) |
| Chân 19 | PAD6 — Port AD bit 6 (ADC channel 6) |
| Chân 20 | PAD7 — Port AD bit 7 (ADC channel 7) |
| Chân 21 | PAD8 — Port AD bit 8 (ADC channel 8) |
| Chân 22 | PAD9 — Port AD bit 9 (ADC channel 9) |
| Chân 23 | PAD10 — Port AD bit 10 (ADC channel 10) |
| Chân 24 | PAD11 — Port AD bit 11 (ADC channel 11) |
| Chân 25 | PAD12 — Port AD bit 12 (ADC channel 12) |
| Chân 26 | PAD13 — Port AD bit 13 (ADC channel 13) |
| Chân 27 | PAD14 — Port AD bit 14 (ADC channel 14) |
| Chân 28 | PAD15 — Port AD bit 15 (ADC channel 15) |
| Chân 29 | PAD16 — Port AD bit 16 |
| Chân 30 | PAD17 — Port AD bit 17 |
| Chân 31 | PAD18 — Port AD bit 18 |
| Chân 32 | PAD19 — Port AD bit 19 |
| Chân 33 | PAD20 — Port AD bit 20 |
| Chân 34 | PAD21 — Port AD bit 21 |
| Chân 35 | PAD22 — Port AD bit 22 |
| Chân 36 | PAD23 — Port AD bit 23 |
| Chân 37 | PAD24 — Port AD bit 24 |
| Chân 38 | PAD25 — Port AD bit 25 |
| Chân 39 | PAD26 — Port AD bit 26 |
| Chân 40 | PAD27 — Port AD bit 27 |
| Chân 41 | PAD28 — Port AD bit 28 |
| Chân 42 | PAD29 — Port AD bit 29 |
| Chân 43 | PAD30 — Port AD bit 30 |
| Chân 44 | PAD31 — Port AD bit 31 |
| Chân 45 | PA0 — Port A bit 0 (general purpose I/O) |
| Chân 46 | PA1 — Port A bit 1 (general purpose I/O) |
| Chân 47 | PA2 — Port A bit 2 (general purpose I/O) |
| Chân 48 | PA3 — Port A bit 3 (general purpose I/O) |
| Chân 49 | PA4 — Port A bit 4 (general purpose I/O) |
| Chân 50 | PA5 — Port A bit 5 (general purpose I/O) |
| Chân 51 | PA6 — Port A bit 6 (general purpose I/O) |
| Chân 52 | PA7 — Port A bit 7 (general purpose I/O) |
| Chân 53 | PB0 — Port B bit 0 (general purpose I/O) |
| Chân 54 | PB1 — Port B bit 1 (general purpose I/O) |
| Chân 55 | PB2 — Port B bit 2 (general purpose I/O) |
| Chân 56 | PB3 — Port B bit 3 (general purpose I/O) |
| Chân 57 | PB4 — Port B bit 4 (general purpose I/O) |
| Chân 58 | PB5 — Port B bit 5 (general purpose I/O) |
| Chân 59 | PB6 — Port B bit 6 (general purpose I/O) |
| Chân 60 | PB7 — Port B bit 7 (general purpose I/O) |
| Chân 61 | PC0 — Port C bit 0 (general purpose I/O) |
| Chân 62 | PC1 — Port C bit 1 (general purpose I/O) |
| Chân 63 | PC2 — Port C bit 2 (general purpose I/O) |
| Chân 64 | PC3 — Port C bit 3 (general purpose I/O) |
| Chân 65 | PC4 — Port C bit 4 (general purpose I/O) |
| Chân 66 | PC5 — Port C bit 5 (general purpose I/O) |
| Chân 67 | PC6 — Port C bit 6 (general purpose I/O) |
| Chân 68 | PC7 — Port C bit 7 (general purpose I/O) |
| Chân 69 | PD0 — Port D bit 0 (CAN0 RX / general purpose I/O) |
| Chân 70 | PD1 — Port D bit 1 (CAN0 TX / general purpose I/O) |
| Chân 71 | PD2 — Port D bit 2 (general purpose I/O) |
| Chân 72 | PD3 — Port D bit 3 (general purpose I/O) |
| Chân 73 | PD4 — Port D bit 4 (general purpose I/O) |
| Chân 74 | PD5 — Port D bit 5 (general purpose I/O) |
| Chân 75 | PD6 — Port D bit 6 (general purpose I/O) |
| Chân 76 | PD7 — Port D bit 7 (general purpose I/O) |
| Chân 77 | PE0 — Port E bit 0 (CAN1 RX / general purpose I/O) |
| Chân 78 | PE1 — Port E bit 1 (CAN1 TX / general purpose I/O) |
| Chân 79 | PE2 — Port E bit 2 (general purpose I/O) |
| Chân 80 | PE3 — Port E bit 3 (general purpose I/O) |
| Chân 81 | PE4 — Port E bit 4 (general purpose I/O) |
| Chân 82 | PE5 — Port E bit 5 (general purpose I/O) |
| Chân 83 | PE6 — Port E bit 6 (general purpose I/O) |
| Chân 84 | PE7 — Port E bit 7 (general purpose I/O) |
| Chân 85 | PF0 — Port F bit 0 (general purpose I/O) |
| Chân 86 | PF1 — Port F bit 1 (general purpose I/O) |
| Chân 87 | PF2 — Port F bit 2 (general purpose I/O) |
| Chân 88 | PF3 — Port F bit 3 (general purpose I/O) |
| Chân 89 | PF4 — Port F bit 4 (general purpose I/O) |
| Chân 90 | PF5 — Port F bit 5 (general purpose I/O) |
| Chân 91 | PF6 — Port F bit 6 (general purpose I/O) |
| Chân 92 | PF7 — Port F bit 7 (general purpose I/O) |
| Chân 93 | PG0 — Port G bit 0 (general purpose I/O) |
| Chân 94 | PG1 — Port G bit 1 (general purpose I/O) |
| Chân 95 | PG2 — Port G bit 2 (general purpose I/O) |
| Chân 96 | PG3 — Port G bit 3 (general purpose I/O) |
| Chân 97 | PG4 — Port G bit 4 (general purpose I/O) |
| Chân 98 | PG5 — Port G bit 5 (general purpose I/O) |
| Chân 99 | PG6 — Port G bit 6 (general purpose I/O) |
| Chân 100 | PG7 — Port G bit 7 (general purpose I/O) |
| Chân 101 | PH0 — Port H bit 0 (general purpose I/O) |
| Chân 102 | PH1 — Port H bit 1 (general purpose I/O) |
| Chân 103 | PH2 — Port H bit 2 (general purpose I/O) |
| Chân 104 | PH3 — Port H bit 3 (general purpose I/O) |
| Chân 105 | PH4 — Port H bit 4 (general purpose I/O) |
| Chân 106 | PH5 — Port H bit 5 (general purpose I/O) |
| Chân 107 | PH6 — Port H bit 6 (general purpose I/O) |
| Chân 108 | PH7 — Port H bit 7 (general purpose I/O) |
| Chân 109 | PJ0 — Port J bit 0 (general purpose I/O) |
| Chân 110 | PJ1 — Port J bit 1 (general purpose I/O) |
| Chân 111 | PJ2 — Port J bit 2 (general purpose I/O) |
| Chân 112 | PJ3 — Port J bit 3 (general purpose I/O) |
| Chân 113 | PJ4 — Port J bit 4 (general purpose I/O) |
| Chân 114 | PJ5 — Port J bit 5 (general purpose I/O) |
| Chân 115 | PJ6 — Port J bit 6 (general purpose I/O) |
| Chân 116 | PJ7 — Port J bit 7 (general purpose I/O) |
| Chân 117 | PK0 — Port K bit 0 (general purpose I/O) |
| Chân 118 | PK1 — Port K bit 1 (general purpose I/O) |
| Chân 119 | PK2 — Port K bit 2 (general purpose I/O) |
| Chân 120 | PK3 — Port K bit 3 (general purpose I/O) |
| Chân 121 | PK4 — Port K bit 4 (general purpose I/O) |
| Chân 122 | PK5 — Port K bit 5 (general purpose I/O) |
| Chân 123 | PK6 — Port K bit 6 (general purpose I/O) |
| Chân 124 | PK7 — Port K bit 7 (general purpose I/O) |
| Chân 125 | CAN0TX — CAN0 transmit (alternate function on PD1) |
| Chân 126 | CAN0RX — CAN0 receive (alternate function on PD0) |
| Chân 127 | CAN1TX — CAN1 transmit (alternate function on PE1) |
| Chân 128 | CAN1RX — CAN1 receive (alternate function on PE0) |
| Chân 129 | SCIRX — SCI0 receive (serial communication interface) |
| Chân 130 | SCITX — SCI0 transmit (serial communication interface) |
| Chân 131 | MOSI0 — SPI0 master out / slave in |
| Chân 132 | MISO0 — SPI0 master in / slave out |
| Chân 133 | SCK0 — SPI0 serial clock |
| Chân 134 | SS0 — SPI0 slave select |
| Chân 135 | PWM0 — Pulse Width Modulator channel 0 |
| Chân 136 | PWM1 — Pulse Width Modulator channel 1 |
| Chân 137 | PWM2 — Pulse Width Modulator channel 2 |
| Chân 138 | PWM3 — Pulse Width Modulator channel 3 |
| Chân 139 | PWM4 — Pulse Width Modulator channel 4 |
| Chân 140 | PWM5 — Pulse Width Modulator channel 5 |
| Chân 141 | TCLK — Timer clock input |
| Chân 142 | IOC0 — Input capture / output compare channel 0 |
| Chân 143 | VDDX3 — External I/O supply 3 (1.8/2.8/5 V) |
| Chân 144 | VSS — Digital ground |
Ứng dụng tiêu biểu
S912XEQ512J3VAG phù hợp cho 6 Áp dụngs: Automotive Body Control Module, CAN Gateway Module, Instrument Cluster Controller, HVAC Control Module, Industrial PLC / Automation Node, Automotive Lighting Controller.
Automotive Body Control Module
The S912XEQ512J3VAG's HCS12X core and XGATE co-processor suit body-control modules where deterministic 16-bit interrupt handling and parallel peripheral offloading are required. With 512 KB Flash, the MCU holds door/window/lamp/lighting logic plus CAN/LIN stacks; AEC-Q100 qualification at -40 to +105 C guarantees operation under cranking transients on a 12 V automotive bus. The 144-LQFP footprint exposes enough I/O for multiple high-side drivers and analog sensor inputs.
Được đề xuất
CAN Gateway Module
For CAN-to-CAN and CAN-to-LIN gateway ECUs, the S912XEQ512J3VAG provides up to 50 MIPS of CPU throughput and an XGATE to offload message filtering between buses. The 144-LQFP package exposes multiple CAN channels and enough SCI/SPI for diagnostics; 512 KB Flash is enough for full AUTOSAR-like stacks or CAN FD bridging. AEC-Q100 ensures the gateway survives under-hood thermal stress.
Được đề xuất
Instrument Cluster Controller
In instrument clusters, the S912XEQ512J3VAG drives stepper motors for gauges, reads analog sensors, and handles CAN messages from the body network. The 50 MHz HCS12X core handles PWM generation for backlight and indicator LEDs, while XGATE accelerates CAN message processing. AEC-Q100 qualification and 144-LQFP I/O count fit automotive cluster electronics within the cabin thermal envelope.
Được đề xuất
HVAC Control Module
The S912XEQ512J3VAG is suitable for HVAC control modules where multiple temperature sensors, blower motor PWM channels, and CAN connectivity must coexist. 512 KB Flash accommodates HVAC application code plus CAN/LIN communication stacks; the XGATE co-processor accelerates sensor sampling and PID loop updates. AEC-Q100 at +105 C ambient is well within HVAC enclosure thermal limits.
Được đề xuất
Industrial PLC / Automation Node
For industrial PLC nodes and 24 V automation controllers, the S912XEQ512J3VAG delivers deterministic 16-bit performance with hardware-emulated EEPROM for parameter storage and a memory protection unit for safety software isolation. 512 KB Flash supports IEC 61131-3 runtime plus ladder logic, while the wide 1.8 V / 2.8 V / 5 V supply tolerance simplifies integration with 24 V industrial backplanes. The 144-LQFP provides ample GPIO for discrete I/O.
Được đề xuất
Automotive Lighting Controller
In LED headlamp and matrix-lighting modules, the S912XEQ512J3VAG generates PWM for multi-channel LED drivers and exchanges diagnostics over CAN or LIN. The XGATE handles high-rate PWM updates while the HCS12X core runs lighting algorithms, and 512 KB Flash is ample for headlamp control firmware. AEC-Q100 and -40 to +105 C are well-matched to headlamp compartment thermal profiles.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XEQ512J3VAG — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | S912XEQ512J2MAL | S912XET512J3MAG | S912XEQ384J3CALR | MC9S12XEQ512MAG | MC9S12XEG128MAA |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) | HCS12X (16-bit) |
| Maximum Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 384 KB (-25%) | 512 KB | 128 KB (-75%) |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +105 C | -40 C to +85 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
Bảo phân biệt quan trọng
- AEC-Q100 Grade 1 qualified at +105 C (vsS912XEQ512J2MAL)
- 512 KB Flash matches typical body/gateway stacks (vsMC9S12XEG128MAA)
- Same 144-LQFP package as alternates - PCB reuse (vsS912XEQ384J3CALR)
Ghi chú thiết kế
The S912XEQ512J3VAG supports 1.8 V, 2.8 V, and 5 V operation through its internal voltage regulator (VDDR) and dual external I/O rails (VDDX1/2/3). Place a 1 uF decoupling capacitor within 5 mm of each VDDX pin and a 10 uF bulk capacitor near the package to handle cranking transients on the 12 V automotive supply. Tie VSSPLL directly to the ground plane with a short trace to minimize PLL jitter on the 50 MHz bus.
Do not leave the TEST pin floating - tie it to VSS through a 4.7 kohm pull-down resistor, otherwise the device may enter factory test mode on power-up. The BKGD pin must be pulled high through a pull-up during reset for normal operation; use the BDM interface for debug. Avoid driving CAN lines without proper termination; CAN0/CAN1 require 120 ohm bus termination at the cable ends.
Estimated: at 50 MHz core and typical 1.8 V internal VDDR, core current is around 50-70 mA, dissipating 0.1-0.15 W internally. The 144-LQFP package has a theta_JA of approximately 35-40 C/W, giving a junction temperature rise of about 5-6 C above ambient - well within the +105 C automotive Grade 1 ceiling. Derate slightly if all 144 I/O pins switch at full DC load.
Route the EXTAL/XTAL traces as short, symmetric differential pairs and keep them away from switching I/O and PWM lines to minimize EMI coupling. Place a guard ring around the oscillator and connect it to ground. Use a four-layer PCB with a dedicated ground plane under the MCU to provide a low-impedance return for high-frequency switching currents from CAN and SPI lines.
Thông tin tuân thủ
AEC-Q100 Grade 1 qualified per NXP product page and Arrow listing. RoHS compliant per NXP product page. Halogen-free status not explicitly stated in verified web data - defaulting to 'unknown'.