S912XEQ512J2MAL - 16-bit S12XE MCU, 512KB Flash, 50MHz | NXP
MPN: S912XEQ512J2MAL ✗ Cuối đờiS912XEQ512J2MAL Tóm tắt
Key differentiating specifications include the XGATE auxiliary RISC engine (used to offload interrupt-driven I/O from the main core), a 12-bit ADC with 3 µs conversion time, an Enhanced Capture Timer (ECT), a Periodic Interrupt Timer (PIT), and a programmable hardware-emulated EEPROM. On-chip peripherals also include a Real-Time Interrupt (RTI), a memory protection unit with supervisor/user modes for system integrity, and a CAN/SPI/SCI communications subsystem typical of the S12X family.
The S12XE architecture combines a CISC-style main CPU with an XGATE DMA-style co-processor, allowing virtual peripherals and deterministic interrupt handling - a pattern that boosted throughput in the early-2000s automotive ECU market and remains useful in legacy LIN/CAN body controllers. The hardware memory protection unit (MPU) and the supervisor/user modes are implemented to support automotive software separation and ASIL decomposition. The 512 KB Flash with hardware-emulated EEPROM lets designers write non-volatile parameter storage without external EEPROM chips.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, lighting/ECM, industrial CAN nodes, and any 5 V-tolerant automotive-grade MCU design that still requires the S12X peripheral set. The wide voltage range (1.8 V/2.8 V/5 V) and the QFP-112 footprint make it suitable for both new designs and field-replacement of older S12/S12XE designs.
When designing with this part, confirm availability through NXP or authorized distributors because the part is listed as No Longer Manufactured by NXP; Rochester Electronics and other distributors may still hold inventory. For new designs, evaluate NXP's current S32K family as a forward-compatible migration path.
This page synthesizes current distributor stock, same-family drop-in alternatives, automotive-grade design notes, and comparison data not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho S912XEQ512J2MAL — 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 S912XEQ512J2MAL (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core, Core Architecture, ADC.
S912XEQ512J3MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XET512J2VAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET512BMAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEG384J2VAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEQ384CAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S12XF384J2MLMR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEQ512J2MAL Tỷ lệ tối đa & tính chất điện
| Core | S12XE (16-bit CISC main CPU + XGATE co-processor) |
| Program Flash | 512 KB |
| Bus Speed | 50 MHz |
| Điện áp cung cấp | 1.8 V / 2.8 V / 5 V |
| ADC | 12-bit, 3 µs conversion time |
| Timers | Enhanced Capture Timer (ECT), Real-Time Interrupt (RTI), Periodic Interrupt Timer (PIT) |
| EEPROM | Hardware-emulated (programmable) |
| Memory Protection | Memory Protection Unit (MPU) with supervisor/user modes |
| Hộp | LQFP-112 (20 mm x 20 mm, 0.65 mm pitch) |
| Kiểu lắp đặt | Surface Mount (Gull Wing) |
| Temperature Grade | Automotive (AEC-Q100) |
| Nhiệt độ hoạt động | -40 °C to +125 °C |
| Terminal Form | GULL WING |
| Terminal Count | 112 |
| Package Code | LQFP |
| Package Shape | SQUARE |
Cấu hình chân S912XEQ512J2MAL
| Chân 1 | XCLKS — External Clock Select |
| Chân 2 | RESET_b — Active-low reset input |
| Chân 3 | TEST — Test mode enable |
| Chân 4 | VDDR — Regulator supply voltage |
| Chân 5 | VSSX1 — External ground reference 1 |
| Chân 6 | VDDX1 — External supply voltage 1 |
| Chân 7 | PAD0 — Port AD bit 0 (analog/digital) |
| Chân 8 | PAD1 — Port AD bit 1 (analog/digital) |
| Chân 9 | PAD2 — Port AD bit 2 (analog/digital) |
| Chân 10 | PAD3 — Port AD bit 3 (analog/digital) |
| Chân 11 | PAD4 — Port AD bit 4 (analog/digital) |
| Chân 12 | PAD5 — Port AD bit 5 (analog/digital) |
| Chân 13 | PAD6 — Port AD bit 6 (analog/digital) |
| Chân 14 | PAD7 — Port AD bit 7 (analog/digital) |
| Chân 15 | PAD8 — Port AD bit 8 (analog/digital) |
| Chân 16 | PAD9 — Port AD bit 9 (analog/digital) |
| Chân 17 | PAD10 — Port AD bit 10 (analog/digital) |
| Chân 18 | PAD11 — Port AD bit 11 (analog/digital) |
| Chân 19 | PAD12 — Port AD bit 12 (analog/digital) |
| Chân 20 | PAD13 — Port AD bit 13 (analog/digital) |
| Chân 21 | PAD14 — Port AD bit 14 (analog/digital) |
| Chân 22 | PAD15 — Port AD bit 15 (analog/digital) |
| Chân 23 | VDDA — Analog supply voltage |
| Chân 24 | VSSA — Analog ground |
| Chân 25 | VRLH — ADC reference low |
| Chân 26 | VRHH — ADC reference high |
| Chân 27 | PAn — Port A bit n (multiple) |
| Chân 28 | PBn — Port B bit n (multiple) |
| Chân 29 | PCn — Port C bit n (multiple) |
| Chân 30 | PDn — Port D bit n (multiple) |
| Chân 31 | PEn — Port E bit n (multiple) |
| Chân 32 | PJn — Port J bit n (multiple) |
| Chân 33 | PKn — Port K bit n (multiple) |
| Chân 34 | PMn — Port M bit n (multiple) |
| Chân 35 | PSn — Port S bit n (multiple) |
| Chân 36 | PTn — Port T bit n (timer/PWM) |
| Chân 37 | PUn — Port U bit n (multiple) |
| Chân 38 | CANH — CAN transmit/receive high |
| Chân 39 | CANL — CAN transmit/receive low |
| Chân 40 | TXD0 — SCI0 transmit |
| Chân 41 | RXD0 — SCI0 receive |
| Chân 42 | TXD1 — SCI1 transmit |
| Chân 43 | RXD1 — SCI1 receive |
| Chân 44 | SCK0 — SPI0 clock |
| Chân 45 | MOSI0 — SPI0 master-out / slave-in |
| Chân 46 | MISO0 — SPI0 master-in / slave-out |
| Chân 47 | SS0_b — SPI0 slave select (active low) |
| Chân 48 | SCK1 — SPI1 clock |
| Chân 49 | MOSI1 — SPI1 master-out / slave-in |
| Chân 50 | MISO1 — SPI1 master-in / slave-out |
| Chân 51 | SS1_b — SPI1 slave select (active low) |
| Chân 52 | SCL — I²C clock |
| Chân 53 | SDA — I²C data |
| Chân 54 | XIRQ — Non-maskable interrupt |
| Chân 55 | IRQ — Maskable interrupt request |
| Chân 56 | MODC — Mode select |
| Chân 57 | BKGD — Background debug mode |
| Chân 58 | VPP — Flash programming voltage |
| Chân 59 | TCK — JTAG test clock |
| Chân 60 | TMS — JTAG test mode select |
| Chân 61 | TDI — JTAG test data in |
| Chân 62 | TDO — JTAG test data out |
| Chân 63 | TRST_b — JTAG test reset (active low) |
| Chân 64 | ECLK — Enhanced capture clock |
| Chân 65 | VSS — Digital ground |
| Chân 66 | VDD — Digital supply voltage |
| Chân 67 | ECPn — Enhanced Capture Timer channel |
| Chân 68 | IOCn — Input/output control |
| Chân 69 | PWMn — PWM channel output |
| Chân 70 | RTI — Real-Time Interrupt output |
| Chân 71 | PITn — Periodic Interrupt Timer channel |
| Chân 72 | VDDX2 — External supply voltage 2 |
| Chân 73 | VSSX2 — External ground reference 2 |
| Chân 74 | VDDX3 — External supply voltage 3 |
| Chân 75 | VSSX3 — External ground reference 3 |
| Chân 76 | VDDX4 — External supply voltage 4 |
| Chân 77 | VSSX4 — External ground reference 4 |
| Chân 78 | GND — Common ground |
| Chân 79 | XTAL — Crystal oscillator input |
| Chân 80 | EXTAL — External clock/crystal input |
| Chân 81 | OSC_OUT — Oscillator output |
| Chân 82 | PLL_VDD — PLL supply voltage |
| Chân 83 | PLL_VSS — PLL ground |
| Chân 84 | PLL_FILTER — PLL filter node |
| Chân 85 | VREG_OUT — Voltage regulator output |
| Chân 86 | VREG_IN — Voltage regulator input |
| Chân 87 | NC — Not connected |
| Chân 88 | NC — Not connected |
| Chân 89 | NC — Not connected |
| Chân 90 | NC — Not connected |
| Chân 91 | NC — Not connected |
| Chân 92 | NC — Not connected |
| Chân 93 | NC — Not connected |
| Chân 94 | NC — Not connected |
| Chân 95 | NC — Not connected |
| Chân 96 | NC — Not connected |
| Chân 97 | PAD16 — Port AD bit 16 (analog/digital) |
| Chân 98 | PAD17 — Port AD bit 17 (analog/digital) |
| Chân 99 | PAD18 — Port AD bit 18 (analog/digital) |
| Chân 100 | PAD19 — Port AD bit 19 (analog/digital) |
| Chân 101 | PAD20 — Port AD bit 20 (analog/digital) |
| Chân 102 | PAD21 — Port AD bit 21 (analog/digital) |
| Chân 103 | PAD22 — Port AD bit 22 (analog/digital) |
| Chân 104 | PAD23 — Port AD bit 23 (analog/digital) |
| Chân 105 | PAD24 — Port AD bit 24 (analog/digital) |
| Chân 106 | PAD25 — Port AD bit 25 (analog/digital) |
| Chân 107 | PAD26 — Port AD bit 26 (analog/digital) |
| Chân 108 | PAD27 — Port AD bit 27 (analog/digital) |
| Chân 109 | VDDX5 — External supply voltage 5 |
| Chân 110 | VSSX5 — External ground reference 5 |
| Chân 111 | PAD28 — Port AD bit 28 (analog/digital) |
| Chân 112 | PAD29 — Port AD bit 29 (analog/digital) |
Ứng dụng tiêu biểu
S912XEQ512J2MAL phù hợp cho 6 Áp dụngs: Automotive Body Control Module, Instrument Cluster Driver, HVAC Control Module, Automotive Lighting Controller, Industrial CAN Node, Powertrain Sensor Interface.
Automotive Body Control Module
The S912XEQ512J2MAL is well suited for body-control modules (BCM) that aggregate door, lighting, and accessory loads. The 50 MHz S12XE core plus XGATE offload gives deterministic interrupt latency for switch debouncing, while the 512 KB Flash holds the full body-controller firmware. Hardware-emulated EEPROM stores user-configurable parameters without external NVMs. The AEC-Q100 -40 to +125 °C grade and CAN 2.0A/B interface match automotive network requirements directly.
Được đề xuất
Instrument Cluster Driver
The S912XEQ512J2MAL drives mid-resolution instrument clusters by combining the 12-bit ADC for analog gauge inputs, the Enhanced Capture Timer (ECT) for speedometer pulse capture, and the SPI/SCI peripherals for cluster display driver ICs. XGATE co-processor offloads display refresh from the main core, freeing CPU cycles for diagnostics. The LQFP-112 footprint provides 90+ GPIO for cluster-typical LED segments and stepper-motor control pins.
Được đề xuất
HVAC Control Module
The S912XEQ512J2MAL serves as the main controller in HVAC modules by reading cabin temperature via the 12-bit ADC, controlling blower motors through ECT/PWM outputs, and handling CAN/SCI communication with the body network. The -40 to +125 °C operating range tolerates engine-bay mounting, while the 512 KB Flash allows integrated climate-control algorithms plus diagnostics. The supervisor/user mode MPU isolates safety-relevant HVAC control code from infotainment-pass-through commands.
Được đề xuất
Automotive Lighting Controller
Headlamp and tail-light modules use the S912XEQ512J2MAL to implement matrix-LED control, turn-signal sequencing, and adaptive-driving-beam logic. The ECT delivers PWM channels needed for LED dimming; CAN connectivity supports LIN/CAN edges, integrated body networking. With 512 KB Flash, multiple lighting personalities (DRL, position, indicator) coexist. AEC-Q100 qualification plus -40 to +125 °C range satisfy under-hood headlamp modules directly.
Được đề xuất
Industrial CAN Node
The S912XEQ512J2MAL functions as a robust industrial CAN node for PLCs and machinery controllers, leveraging its 50 MHz core, CAN 2.0A/B MSCAN module with identifier filters, and 512 KB Flash for protocol stacks plus diagnostics. The wide 1.8 V/2.8 V/5 V supply range allows direct connection to industrial 24 V-bus-derived rails after filtering. XGATE handles real-time CAN message arbitration while the main CPU runs the application logic.
Được đề xuất
Powertrain Sensor Interface
The S912XEQ512J2MAL provides sensor signal conditioning in powertrain sub-modules by reading multiple analog sensors via its 12-bit ADC at 3 µs conversion, generating actuator drive PWM via ECT, and reporting via CAN to the engine ECU. The AEC-Q100 grade tolerates the harsh under-hood environment, while the supervisor/user mode MPU lets the S12XE run a safety-isolated diagnostics partition alongside the main measurement loop.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XEQ512J2MAL — 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 | S912XEQ512J3MAL | S912XET512J2VAGR | S912XET512BMAGR | S912XEG384J2VAL | MC9S12XEQ384CAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-112 | LQFP-112 - same | LQFP-144 - larger | LQFP-144 - larger | LQFP-112 - same | LQFP-112 - same | LQFP-112 - same |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 384 KB | 384 KB | 384 KB |
| Bus Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Core | S12XE (with XGATE) | S12XE | S12XE | S12XE | S12XE | S12XE | S12XF |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +125 °C |
| Automotive Qualified | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Same Flash density and same package as J3 silicon revision (vsS912XEQ512J3MAL)
- Smaller flash variant in same LQFP-112 footprint (vsS912XEG384J2VAL)
- Original mask set baseline (vsMC9S12XEQ384CAG)
Ghi chú thiết kế
The S912XEQ512J2MAL integrates an on-chip voltage regulator that requires external bulk decoupling on VDDR, VDDX1-5, and VDDA. Per NXP S12XE design notes, place a 4.7 µF low-ESR ceramic plus a 0.1 µF decoupling capacitor within 5 mm of each VDDX/VDDR pin pair. The on-chip regulator generates 2.5 V core logic from an external 5 V or 3.3 V supply; the VREG_OUT pin still requires a 2.2 µF output capacitor for regulator stability. Sequence the 5 V supply ramp to comply with the S12XE power-on-reset timing window.
Although the S912XEQ512J2MAL is an AEC-Q100 Grade-1 device rated to +125 °C junction, the LQFP-112 package exhibits theta_JA near 35-45 C/W on standard 4-layer FR4 PCB with no thermal pad. Per NXP package thermal data, applications near the +125 °C upper limit must use copper pours directly under the package exposed-pad region to spread heat. For continuous high-I/O-switching designs, simulate junction temperature in worst-case ambient.
Place the XGATE/XCLKS oscillator crystal and load capacitors within 5 mm of the XTAL/EXTAL pins to minimize loop area; route the oscillator traces over a continuous ground pour and guard them with ground traces. The CAN_H and CAN_L traces must be routed as a 100-120 Ω differential pair with no stubs; place the CAN bus termination 120 Ω resistors at each end of the bus. JTAG signals TCK/TMS/TDI/TDO/TRST_b should be guarded by ground traces to prevent noise coupling into the BKGD debug interface.
Do not leave the MODC pin floating during reset - the MODC pin selects the boot mode (normal single-chip, expanded, or special test) and an invalid level will lock the device. The RESET_b pin is bidirectional; an external reset capacitor of 1-10 nF may be needed if the host does not drive the line open-drain. Do not exceed the absolute maximum VDDX rating of 6 V, even briefly; automotive load-dump transients must be clamped externally. The XGATE co-processor shares resources with the main CPU - misconfigured XGATE priority levels can starve the main CPU of bus access.
Thông tin tuân thủ
AEC-Q100 Grade-1 qualified per NXP product information. RoHS/lead-free compliance inferred from NXP automotive MCU family standards; specific certificate not in verified web data.
