MC9S12XEQ512MAG - S12X 16-bit MCU 512KB Flash 50MHz LQFP-144 | NXP
MPN： MC9S12XEQ512MAG ✓ 啟用中MC9S12XEQ512MAG 概覽
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.
直接替換替代品，適用於 MC9S12XEQ512MAG — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S12XEQ512MAG （相同外形與佔位） — 差異在於 Package, Operating Temperature, Core Architecture, ADC, EEPROM.
MC9S12XEQ512CAG
✅ 直接替換聯絡詢價
查看資料表 →MC9S12XEQ512MAL
✅ 直接替換📋 參考替代品（不在目錄中）
S912XEQ512J3MAG
✅ 直接替換聯絡詢價
查看資料表 →MC9S12XEG128MAA
✅ 直接替換聯絡詢價
查看資料表 →MC9S12XDP512CAL
✅ 直接替換📋 參考替代品（不在目錄中）
MC9S12XEQ512MAG 最大額定值與電氣特性
| 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 |
| 供應電壓 | 1.72 V to 1.98 V (core) / 2.8 V / 5 V I/O |
| 工作溫度 | -40C to +125C (automotive) |
| 封裝 | 144-pin LQFP (20x20 mm) |
| I/O Lines | Up to 59 (package dependent) |
| 安裝類型 | Surface Mount |
| Memory Protection | Yes (MPU, supervisor/user modes) |
| AEC-Q100 | Qualified |
| RoHS 狀態 | Compliant |
MC9S12XEQ512MAG 腳位配置
| 腳位 1 | PP0 — Port P bit 0 / ECT channel |
| 腳位 2 | PP1 — Port P bit 1 / ECT channel |
| 腳位 3 | PP2 — Port P bit 2 / ECT channel |
| 腳位 4 | PP3 — Port P bit 3 / ECT channel |
| 腳位 5 | PP4 — Port P bit 4 / ECT channel |
| 腳位 6 | PP5 — Port P bit 5 / ECT channel |
| 腳位 7 | PP6 — Port P bit 6 / ECT channel |
| 腳位 8 | PP7 — Port P bit 7 / ECT channel |
| 腳位 9 | VDDR — External 5 V regulator input |
| 腳位 10 | VDD1 — Internal core 1.8 V decoupling |
| 腳位 11 | VSS1 — Core ground |
| 腳位 12 | VDD2 — Internal core 1.8 V decoupling |
| 腳位 13 | VSS2 — Core ground |
| 腳位 14 | BKGD — Background Debug Mode pin |
| 腳位 15 | RESET — Reset input (active low) |
| 腳位 16 | XCLKS — Clock select / oscillator mode |
| 腳位 17 | EXTAL — External clock / crystal input |
| 腳位 18 | XTAL — Crystal output |
| 腳位 19 | VDDPLL — PLL supply |
| 腳位 20 | VSSPLL — PLL ground |
| 腳位 21 | PM0 — Port M bit 0 / CAN0 TX |
| 腳位 22 | PM1 — Port M bit 1 / CAN0 RX |
| 腳位 23 | PM2 — Port M bit 2 |
| 腳位 24 | PM3 — Port M bit 3 |
| 腳位 25 | PM4 — Port M bit 4 |
| 腳位 26 | PM5 — Port M bit 5 |
| 腳位 27 | PM6 — Port M bit 6 |
| 腳位 28 | PM7 — Port M bit 7 |
| 腳位 29 | PJ0 — Port J bit 0 |
| 腳位 30 | PJ1 — Port J bit 1 |
| 腳位 31 | PJ2 — Port J bit 2 |
| 腳位 32 | PJ3 — Port J bit 3 |
| 腳位 33 | PJ4 — Port J bit 4 |
| 腳位 34 | PJ5 — Port J bit 5 |
| 腳位 35 | PJ6 — Port J bit 6 |
| 腳位 36 | PJ7 — Port J bit 7 |
| 腳位 37 | PAD0 — Port A bit 0 / ADC0 |
| 腳位 38 | PAD1 — Port A bit 1 / ADC1 |
| 腳位 39 | PAD2 — Port A bit 2 / ADC2 |
| 腳位 40 | PAD3 — Port A bit 3 / ADC3 |
| 腳位 41 | PAD4 — Port A bit 4 / ADC4 |
| 腳位 42 | PAD5 — Port A bit 5 / ADC5 |
| 腳位 43 | PAD6 — Port A bit 6 / ADC6 |
| 腳位 44 | PAD7 — Port A bit 7 / ADC7 |
| 腳位 45 | PAD8 — Port A bit 8 / ADC8 |
| 腳位 46 | PAD9 — Port A bit 9 / ADC9 |
| 腳位 47 | PAD10 — Port A bit 10 / ADC10 |
| 腳位 48 | PAD11 — Port A bit 11 / ADC11 |
| 腳位 49 | PAD12 — Port A bit 12 / ADC12 |
| 腳位 50 | PAD13 — Port A bit 13 / ADC13 |
| 腳位 51 | PAD14 — Port A bit 14 / ADC14 |
| 腳位 52 | PAD15 — Port A bit 15 / ADC15 |
| 腳位 53 | PB0 — Port B bit 0 |
| 腳位 54 | PB1 — Port B bit 1 |
| 腳位 55 | PB2 — Port B bit 2 |
| 腳位 56 | PB3 — Port B bit 3 |
| 腳位 57 | PB4 — Port B bit 4 |
| 腳位 58 | PB5 — Port B bit 5 |
| 腳位 59 | PB6 — Port B bit 6 |
| 腳位 60 | PB7 — Port B bit 7 |
| 腳位 61 | PE0 — Port E bit 0 / IRQ |
| 腳位 62 | PE1 — Port E bit 1 / IRQ |
| 腳位 63 | PE2 — Port E bit 2 / XIRQ |
| 腳位 64 | PE3 — Port E bit 3 |
| 腳位 65 | PE4 — Port E bit 4 / SCI0 TX |
| 腳位 66 | PE5 — Port E bit 5 / SCI0 RX |
| 腳位 67 | PE6 — Port E bit 6 |
| 腳位 68 | PE7 — Port E bit 7 |
| 腳位 69 | PS0 — Port S bit 0 / SPI0 SCK |
| 腳位 70 | PS1 — Port S bit 1 / SPI0 MOSI |
| 腳位 71 | PS2 — Port S bit 2 / SPI0 MISO |
| 腳位 72 | PS3 — Port S bit 3 / SPI0 SS |
| 腳位 73 | PS4 — Port S bit 4 |
| 腳位 74 | PS5 — Port S bit 5 |
| 腳位 75 | PS6 — Port S bit 6 |
| 腳位 76 | PS7 — Port S bit 7 |
| 腳位 77 | PT0 — Port T bit 0 / ECT IOC0 |
| 腳位 78 | PT1 — Port T bit 1 / ECT IOC1 |
| 腳位 79 | PT2 — Port T bit 2 / ECT IOC2 |
| 腳位 80 | PT3 — Port T bit 3 / ECT IOC3 |
| 腳位 81 | PT4 — Port T bit 4 / ECT IOC4 |
| 腳位 82 | PT5 — Port T bit 5 / ECT IOC5 |
| 腳位 83 | PT6 — Port T bit 6 / ECT IOC6 |
| 腳位 84 | PT7 — Port T bit 7 / ECT IOC7 |
| 腳位 85 | VDDX — I/O supply (2.8 V or 5 V) |
| 腳位 86 | VSSX — I/O ground |
| 腳位 87 | VDDA — ADC supply |
| 腳位 88 | VSSA — ADC ground |
| 腳位 89 | VRH — ADC reference high |
| 腳位 90 | VRL — ADC reference low |
| 腳位 91 | PAD16 — Port A bit 16 / ADC16 |
| 腳位 92 | PAD17 — Port A bit 17 / ADC17 |
| 腳位 93 | PAD18 — Port A bit 18 / ADC18 |
| 腳位 94 | PAD19 — Port A bit 19 / ADC19 |
| 腳位 95 | PAD20 — Port A bit 20 / ADC20 |
| 腳位 96 | PAD21 — Port A bit 21 / ADC21 |
| 腳位 97 | PAD22 — Port A bit 22 / ADC22 |
| 腳位 98 | PAD23 — Port A bit 23 / ADC23 |
| 腳位 99 | PK0 — Port K bit 0 |
| 腳位 100 | PK1 — Port K bit 1 |
| 腳位 101 | PK2 — Port K bit 2 |
| 腳位 102 | PK3 — Port K bit 3 |
| 腳位 103 | PK4 — Port K bit 4 |
| 腳位 104 | PK5 — Port K bit 5 |
| 腳位 105 | PK6 — Port K bit 6 |
| 腳位 106 | PK7 — Port K bit 7 |
| 腳位 107 | PH0 — Port H bit 0 / SPI1 SCK |
| 腳位 108 | PH1 — Port H bit 1 / SPI1 MOSI |
| 腳位 109 | PH2 — Port H bit 2 / SPI1 MISO |
| 腳位 110 | PH3 — Port H bit 3 / SPI1 SS |
| 腳位 111 | PH4 — Port H bit 4 |
| 腳位 112 | PH5 — Port H bit 5 |
| 腳位 113 | PH6 — Port H bit 6 |
| 腳位 114 | PH7 — Port H bit 7 |
| 腳位 115 | PJ0 — Port J bit 0 alt |
| 腳位 116 | PJ1 — Port J bit 1 alt |
| 腳位 117 | VSSX2 — Secondary I/O ground |
| 腳位 118 | VDDX2 — Secondary I/O supply |
| 腳位 119 | MODC — Mode select |
| 腳位 120 | TCLK — ECT clock input |
| 腳位 121 | PA0 — Port A bit 0 alt |
| 腳位 122 | PA1 — Port A bit 1 alt |
| 腳位 123 | PA2 — Port A bit 2 alt |
| 腳位 124 | PA3 — Port A bit 3 alt |
| 腳位 125 | PA4 — Port A bit 4 alt |
| 腳位 126 | PA5 — Port A bit 5 alt |
| 腳位 127 | PA6 — Port A bit 6 alt |
| 腳位 128 | PA7 — Port A bit 7 alt |
| 腳位 129 | PP0 — Port P bit 0 alt |
| 腳位 130 | PP1 — Port P bit 1 alt |
| 腳位 131 | PP2 — Port P bit 2 alt |
| 腳位 132 | PP3 — Port P bit 3 alt |
| 腳位 133 | PP4 — Port P bit 4 alt |
| 腳位 134 | PP5 — Port P bit 5 alt |
| 腳位 135 | PP6 — Port P bit 6 alt |
| 腳位 136 | PP7 — Port P bit 7 alt |
| 腳位 137 | VDDR — Secondary 5 V regulator input |
| 腳位 138 | VSS3 — Ground |
| 腳位 139 | VDD3 — Internal core 1.8 V |
| 腳位 140 | VSS4 — Ground |
| 腳位 141 | VDD4 — Internal core 1.8 V |
| 腳位 142 | NC — Not connected (per datasheet) |
| 腳位 143 | NC — Not connected (per datasheet) |
| 腳位 144 | NC — Not connected (per datasheet) |
典型應用
MC9S12XEQ512MAG 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S12XEQ512MAG — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Integrated XGATE co-processor for deterministic peripheral offload (對比MC9S12XDP512CAL)
- AEC-Q100 qualification with automotive -40C to +125C range (對比MC9S12XEQ512CAG)
- Higher 50 MHz CPU bus speed vs S12XDP variants (對比MC9S12XDP512CAL)
設計說明
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.
合規資訊
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.
