MC9S12XEQ512MAG - S12X 16-bit MCU 512KB Flash 50MHz LQFP-144 | NXP
MPN: MC9S12XEQ512MAG ✓ Hoạt độngMC9S12XEQ512MAG Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash, RAM, EEPROM), and programmable peripherals on one die. Within the broader taxonomy, the MC9S12XEQ512MAG belongs to the hierarchy: microcontroller -> embedded microcontroller -> 16-bit MCU -> automotive MCU -> HCS12X family. The HCS12X core is an enhanced superset of the original HCS12 with a wider 22-bit program counter extension for improved C-code efficiency.
Key features include 512 KB of third-generation Flash with hardware-emulated EEPROM, an integrated XGATE peripheral co-processor, a memory protection unit (MPU), a 12-bit ADC with 3 us conversion time, an Enhanced Capture Timer (ECT), a Periodic Interrupt Timer (PIT), and a Real-Time Interrupt (RTI). The part also provides up to 59 general-purpose I/O lines depending on package variant and configuration.
Technically, the device runs from a single 1.8V core / 2.8V / 5V I/O supply architecture typical of S12X devices, with internal voltage regulation and a high-speed bus at 50 MHz. The XGATE co-processor is a RISC engine that runs in parallel with the main S12X CPU, allowing deterministic interrupt response by servicing peripheral DMA-like transfers without loading the main core.
Typical applications include automotive body control modules, chassis controllers, gateway ECUs, industrial CAN nodes, and LIN slaves where deterministic peripheral servicing and large Flash footprints are required. Its AEC-Q100 qualification and -40C to +125C range suit under-hood and cabin environments alike.
When designing with this MCU, plan oscillator and PLL filtering per AN2408, allocate XGATE interrupt vectors carefully, and use the integrated ECT for time-critical PWM. Note: This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MC9S12XEQ512MAG — 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 MC9S12XEQ512MAG (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core Architecture, ADC, EEPROM.
MC9S12XEQ512CAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEQ512MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XEQ512J3MAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEG128MAA
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XDP512CAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12XEQ512MAG Tỷ lệ tối đa & tính chất điện
| Core | HCS12X (16-bit) |
| Core Co-processor | XGATE (RISC peripheral engine) |
| CPU Bus Speed | 50 MHz |
| Program Flash | 512 KB |
| EEPROM | Hardware-emulated EEPROM via Flash |
| ADC | 12-bit, 3 us conversion time |
| Timer Modules | ECT, PIT, RTI |
| Điện áp cung cấp | 1.72 V to 1.98 V (core) / 2.8 V / 5 V I/O |
| Nhiệt độ hoạt động | -40C to +125C (automotive) |
| Hộp | 144-pin LQFP (20x20 mm) |
| I/O Lines | Up to 59 (package dependent) |
| Kiểu lắp đặt | Surface Mount |
| Memory Protection | Yes (MPU, supervisor/user modes) |
| AEC-Q100 | Qualified |
| Trạng thái RoHS | Compliant |
Cấu hình chân MC9S12XEQ512MAG
| Chân 1 | PP0 — Port P bit 0 / ECT channel |
| Chân 2 | PP1 — Port P bit 1 / ECT channel |
| Chân 3 | PP2 — Port P bit 2 / ECT channel |
| Chân 4 | PP3 — Port P bit 3 / ECT channel |
| Chân 5 | PP4 — Port P bit 4 / ECT channel |
| Chân 6 | PP5 — Port P bit 5 / ECT channel |
| Chân 7 | PP6 — Port P bit 6 / ECT channel |
| Chân 8 | PP7 — Port P bit 7 / ECT channel |
| Chân 9 | VDDR — External 5 V regulator input |
| Chân 10 | VDD1 — Internal core 1.8 V decoupling |
| Chân 11 | VSS1 — Core ground |
| Chân 12 | VDD2 — Internal core 1.8 V decoupling |
| Chân 13 | VSS2 — Core ground |
| Chân 14 | BKGD — Background Debug Mode pin |
| Chân 15 | RESET — Reset input (active low) |
| Chân 16 | XCLKS — Clock select / oscillator mode |
| Chân 17 | EXTAL — External clock / crystal input |
| Chân 18 | XTAL — Crystal output |
| Chân 19 | VDDPLL — PLL supply |
| Chân 20 | VSSPLL — PLL ground |
| Chân 21 | PM0 — Port M bit 0 / CAN0 TX |
| Chân 22 | PM1 — Port M bit 1 / CAN0 RX |
| Chân 23 | PM2 — Port M bit 2 |
| Chân 24 | PM3 — Port M bit 3 |
| Chân 25 | PM4 — Port M bit 4 |
| Chân 26 | PM5 — Port M bit 5 |
| Chân 27 | PM6 — Port M bit 6 |
| Chân 28 | PM7 — Port M bit 7 |
| Chân 29 | PJ0 — Port J bit 0 |
| Chân 30 | PJ1 — Port J bit 1 |
| Chân 31 | PJ2 — Port J bit 2 |
| Chân 32 | PJ3 — Port J bit 3 |
| Chân 33 | PJ4 — Port J bit 4 |
| Chân 34 | PJ5 — Port J bit 5 |
| Chân 35 | PJ6 — Port J bit 6 |
| Chân 36 | PJ7 — Port J bit 7 |
| Chân 37 | PAD0 — Port A bit 0 / ADC0 |
| Chân 38 | PAD1 — Port A bit 1 / ADC1 |
| Chân 39 | PAD2 — Port A bit 2 / ADC2 |
| Chân 40 | PAD3 — Port A bit 3 / ADC3 |
| Chân 41 | PAD4 — Port A bit 4 / ADC4 |
| Chân 42 | PAD5 — Port A bit 5 / ADC5 |
| Chân 43 | PAD6 — Port A bit 6 / ADC6 |
| Chân 44 | PAD7 — Port A bit 7 / ADC7 |
| Chân 45 | PAD8 — Port A bit 8 / ADC8 |
| Chân 46 | PAD9 — Port A bit 9 / ADC9 |
| Chân 47 | PAD10 — Port A bit 10 / ADC10 |
| Chân 48 | PAD11 — Port A bit 11 / ADC11 |
| Chân 49 | PAD12 — Port A bit 12 / ADC12 |
| Chân 50 | PAD13 — Port A bit 13 / ADC13 |
| Chân 51 | PAD14 — Port A bit 14 / ADC14 |
| Chân 52 | PAD15 — Port A bit 15 / ADC15 |
| Chân 53 | PB0 — Port B bit 0 |
| Chân 54 | PB1 — Port B bit 1 |
| Chân 55 | PB2 — Port B bit 2 |
| Chân 56 | PB3 — Port B bit 3 |
| Chân 57 | PB4 — Port B bit 4 |
| Chân 58 | PB5 — Port B bit 5 |
| Chân 59 | PB6 — Port B bit 6 |
| Chân 60 | PB7 — Port B bit 7 |
| Chân 61 | PE0 — Port E bit 0 / IRQ |
| Chân 62 | PE1 — Port E bit 1 / IRQ |
| Chân 63 | PE2 — Port E bit 2 / XIRQ |
| Chân 64 | PE3 — Port E bit 3 |
| Chân 65 | PE4 — Port E bit 4 / SCI0 TX |
| Chân 66 | PE5 — Port E bit 5 / SCI0 RX |
| Chân 67 | PE6 — Port E bit 6 |
| Chân 68 | PE7 — Port E bit 7 |
| Chân 69 | PS0 — Port S bit 0 / SPI0 SCK |
| Chân 70 | PS1 — Port S bit 1 / SPI0 MOSI |
| Chân 71 | PS2 — Port S bit 2 / SPI0 MISO |
| Chân 72 | PS3 — Port S bit 3 / SPI0 SS |
| Chân 73 | PS4 — Port S bit 4 |
| Chân 74 | PS5 — Port S bit 5 |
| Chân 75 | PS6 — Port S bit 6 |
| Chân 76 | PS7 — Port S bit 7 |
| Chân 77 | PT0 — Port T bit 0 / ECT IOC0 |
| Chân 78 | PT1 — Port T bit 1 / ECT IOC1 |
| Chân 79 | PT2 — Port T bit 2 / ECT IOC2 |
| Chân 80 | PT3 — Port T bit 3 / ECT IOC3 |
| Chân 81 | PT4 — Port T bit 4 / ECT IOC4 |
| Chân 82 | PT5 — Port T bit 5 / ECT IOC5 |
| Chân 83 | PT6 — Port T bit 6 / ECT IOC6 |
| Chân 84 | PT7 — Port T bit 7 / ECT IOC7 |
| Chân 85 | VDDX — I/O supply (2.8 V or 5 V) |
| Chân 86 | VSSX — I/O ground |
| Chân 87 | VDDA — ADC supply |
| Chân 88 | VSSA — ADC ground |
| Chân 89 | VRH — ADC reference high |
| Chân 90 | VRL — ADC reference low |
| Chân 91 | PAD16 — Port A bit 16 / ADC16 |
| Chân 92 | PAD17 — Port A bit 17 / ADC17 |
| Chân 93 | PAD18 — Port A bit 18 / ADC18 |
| Chân 94 | PAD19 — Port A bit 19 / ADC19 |
| Chân 95 | PAD20 — Port A bit 20 / ADC20 |
| Chân 96 | PAD21 — Port A bit 21 / ADC21 |
| Chân 97 | PAD22 — Port A bit 22 / ADC22 |
| Chân 98 | PAD23 — Port A bit 23 / ADC23 |
| Chân 99 | PK0 — Port K bit 0 |
| Chân 100 | PK1 — Port K bit 1 |
| Chân 101 | PK2 — Port K bit 2 |
| Chân 102 | PK3 — Port K bit 3 |
| Chân 103 | PK4 — Port K bit 4 |
| Chân 104 | PK5 — Port K bit 5 |
| Chân 105 | PK6 — Port K bit 6 |
| Chân 106 | PK7 — Port K bit 7 |
| Chân 107 | PH0 — Port H bit 0 / SPI1 SCK |
| Chân 108 | PH1 — Port H bit 1 / SPI1 MOSI |
| Chân 109 | PH2 — Port H bit 2 / SPI1 MISO |
| Chân 110 | PH3 — Port H bit 3 / SPI1 SS |
| Chân 111 | PH4 — Port H bit 4 |
| Chân 112 | PH5 — Port H bit 5 |
| Chân 113 | PH6 — Port H bit 6 |
| Chân 114 | PH7 — Port H bit 7 |
| Chân 115 | PJ0 — Port J bit 0 alt |
| Chân 116 | PJ1 — Port J bit 1 alt |
| Chân 117 | VSSX2 — Secondary I/O ground |
| Chân 118 | VDDX2 — Secondary I/O supply |
| Chân 119 | MODC — Mode select |
| Chân 120 | TCLK — ECT clock input |
| Chân 121 | PA0 — Port A bit 0 alt |
| Chân 122 | PA1 — Port A bit 1 alt |
| Chân 123 | PA2 — Port A bit 2 alt |
| Chân 124 | PA3 — Port A bit 3 alt |
| Chân 125 | PA4 — Port A bit 4 alt |
| Chân 126 | PA5 — Port A bit 5 alt |
| Chân 127 | PA6 — Port A bit 6 alt |
| Chân 128 | PA7 — Port A bit 7 alt |
| Chân 129 | PP0 — Port P bit 0 alt |
| Chân 130 | PP1 — Port P bit 1 alt |
| Chân 131 | PP2 — Port P bit 2 alt |
| Chân 132 | PP3 — Port P bit 3 alt |
| Chân 133 | PP4 — Port P bit 4 alt |
| Chân 134 | PP5 — Port P bit 5 alt |
| Chân 135 | PP6 — Port P bit 6 alt |
| Chân 136 | PP7 — Port P bit 7 alt |
| Chân 137 | VDDR — Secondary 5 V regulator input |
| Chân 138 | VSS3 — Ground |
| Chân 139 | VDD3 — Internal core 1.8 V |
| Chân 140 | VSS4 — Ground |
| Chân 141 | VDD4 — Internal core 1.8 V |
| Chân 142 | NC — Not connected (per datasheet) |
| Chân 143 | NC — Not connected (per datasheet) |
| Chân 144 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MC9S12XEQ512MAG phù hợp cho 6 Áp dụngs: Automotive Body Control Module (BCM), Automotive Gateway ECU, Industrial CAN Node Controller, Chassis and Suspension ECU, Automotive Instrument Cluster, Power Train Edge Node (Sensor / Actuator).
Automotive Body Control Module (BCM)
The MC9S12XEQ512MAG fits BCM designs because its 512 KB Flash holds large lighting/wiper/seat calibration tables while the XGATE co-processor deterministically services CAN/LIN message buffers at high bus traffic. Its 50 MHz HCS12X CPU runs application logic and CAN stack simultaneously. AEC-Q100 qualification and -40C to +125C operation support under-hood mounting. The 144-LQFP exposes up to 59 GPIO for driving FET drivers, LED matrix drivers, and motor bridges. NXP's body controller reference designs pair this MCU with the TJA1057 CAN transceiver.
Được đề xuất
Automotive Gateway ECU
In gateway ECUs, the MC9S12XEQ512MAG's XGATE accelerates multi-channel CAN message routing while the main CPU handles routing tables and diagnostics. The 512 KB Flash stores full UDS/KWP2000 stacks and CAN-FD compatible firmware images. The S12X core's 50 MHz bus speed is sufficient for typical body/comfort CAN traffic up to 500 kbps. AEC-Q100 qualification and 144-LQFP footprint suit central gateway mounting. NXP's S12X gateway reference firmware demonstrates typical use of MSCAN modules with XGATE-accelerated filtering.
Được đề xuất
Industrial CAN Node Controller
The MC9S12XEQ512MAG supports industrial CANopen/J1939 nodes where deterministic message handling is critical. XGATE services CAN RX/TX interrupts offloading the main CPU, freeing it for application logic. 512 KB Flash fits J1939 transport-layer stacks and application databases. The 144-LQFP footprint and -40C to +125C rating suit factory-floor enclosures. NXP's industrial CANopen stack targets this exact MCU family. Pair with isolated CAN transceivers for high-EMI environments.
Được đề xuất
Chassis and Suspension ECU
The MC9S12XEQ512MAG handles chassis/suspension applications such as active suspension and steering angle sensors, leveraging XGATE to provide deterministic PWM generation for valve control. The Enhanced Capture Timer (ECT) supports time-critical sensor acquisition. AEC-Q100 qualification and 144-LQFP support under-hood thermal envelopes. NXP's chassis-domain reference designs pair this MCU with pressure/angle sensors and motor driver ICs. The 512 KB Flash fits complete control loops and diagnostic libraries.
Được đề xuất
Automotive Instrument Cluster
The MC9S12XEQ512MAG drives stepper-motor gauges and segment/graphic LCDs in instrument clusters using its ECT for PWM and SPI for display interface. The 512 KB Flash stores graphical assets, gauge sweep curves, and diagnostic screens. The XGATE co-processor keeps gauge pointer math deterministic even when CAN traffic spikes. AEC-Q100 rating and -40C to +125C operation suit cabin mounting. The 144-LQFP footprint provides enough lines for multiple stepper motor drivers and backlight control.
Được đề xuất
Power Train Edge Node (Sensor / Actuator)
Edge nodes in power train systems use the MC9S12XEQ512MAG to monitor temperature, pressure, and position sensors while driving actuators and reporting over CAN. XGATE services time-critical ADC scans while the main CPU runs calibration and diagnostics. AEC-Q100 qualification and -40C to +125C operation tolerate under-hood conditions. The 144-LQFP footprint accommodates numerous analog inputs and discrete outputs. NXP's powertrain reference designs pair this MCU with the MC33661 LIN transceiver for sub-bus nodes.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12XEQ512MAG — 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 | MC9S12XEQ512CAG | MC9S12XEQ512MAL | S912XEQ512J3MAG | MC9S12XEG128MAA | MC9S12XDP512CAL |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X (16-bit) | HCS12X | HCS12X | HCS12X | HCS12X | HCS12X |
| CPU Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 40 MHz (-20%) |
| Flash Size | 512 KB | 512 KB | 512 KB | 512 KB | 128 KB (-75%) | 512 KB |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | No |
| AEC-Q100 | Yes | No (commercial) | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +125C | 0 to +70C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Bảo phân biệt quan trọng
- Integrated XGATE co-processor for deterministic peripheral offload (vsMC9S12XDP512CAL)
- AEC-Q100 qualification with automotive -40C to +125C range (vsMC9S12XEQ512CAG)
- Higher 50 MHz CPU bus speed vs S12XDP variants (vsMC9S12XDP512CAL)
Ghi chú thiết kế
The S12XEQ uses an internal 1.8 V regulator derived from an external 5 V VDDR pin. Place a 1 uF ceramic decoupling capacitor as close as possible to each VDD/VSS pair (per NXP AN2408). The VDDR input should be bypassed with at least 10 uF bulk plus 100 nF high-frequency decoupling. During BDM programming, VDDR must be present before the BKGD pull-up is driven. Use a power-on reset supervisor logic IC if cleared.
The 144-LQFP at 0.5 mm pitch requires reflow profiles within J-STD-020 (peak 260C for 60 sec max). Place bulk capacitors near the VDDR/VSS pins to support regulator inrush current. Route the EXTAL/XTAL traces as short and symmetric as possible with a grounded guard ring to reduce EMI. Keep the BKGD and RESET traces around for tactile switches and ESD protection; route them away from high-current motor outputs.
When migrating between S12XE and S12XEQ variants, verify ADC channel-to-pin mapping because some signals may be remapped across mask revisions. Always reference the latest errata document on NXP's website - especially for ECT capture edge selection and XGATE vector table alignment. Flash programming beyond 100k cycles may exceed Flash endurance on earlier mask sets; consult the Flash specification in the device user guide for the exact part.
Thông tin tuân thủ
AEC-Q100 qualified per NXP automotive grade designation. RoHS compliant per NXP product page. Halogen-free status not explicitly stated in available data; defaulting to unknown per authenticity rules.
