S912XHZ512F1VAL - 16-bit MCU, 512KB Flash, 80MHz S12X | NXP
MPN: S912XHZ512F1VAL ✓ Hoạt độngS912XHZ512F1VAL Tóm tắt
A microcontroller (MCU) is a single-chip processor that integrates a CPU, non-volatile program memory (typically Flash), working RAM, and a set of on-chip peripherals such as timers, ADC, communication controllers (CAN, LIN, SPI, SCI), and I/O. MCUs sit at the lowest tier of the embedded computing hierarchy - below microprocessors (MPUs) and application processors - and are used wherever deterministic real-time control is required. The S12X family specifically targets body electronics, instrument clusters, and gateway modules that demand CAN connectivity, robust PWM channels, and an extended temperature envelope.
Key specifications for the S912XHZ512F1VAL include 512KB of program Flash, 32KB of SRAM (typical for this family, see _validation_note), a 50MHz or 80MHz bus clock option, 8 PWM channels, two 1Mbps CAN 2.0A/B modules, an on-chip TFT display driver, and a -40°C to +105°C automotive operating range. The 112-pin LQFP package exposes enough I/O to drive a small TFT panel directly while still leaving pins for switch-scanning and body-network communication.
Architecturally, the S12X combines a 16-bit HCS12 CPU with an XGATE peripheral coprocessor that offloads interrupt-intensive tasks (CAN, SPI, PWM) and lets the main CPU focus on application logic. The result is higher effective throughput than a single-core HCS12 part at the same clock frequency. The integrated TFT controller reduces external display-driver ICs and the associated BOM.
Typical applications include automotive instrument clusters, HVAC control panels, body-control modules, motorcycle or scooter dashboards, and industrial HMI panels with a CAN bus backbone. The combination of CAN, PWM, ADC, and on-chip display drive makes it a single-chip solution for many 2-wheel and 4-wheel dashboard designs.
When designing with this MCU, ensure the JTAG/BDM debug header is brought out to a standardized 6-pin or 10-pin header for programming and calibration. Also confirm that the chosen TFT panel's timing parameters fall within the on-chip display-controller limits documented in the device reference manual before committing to the PCB layout.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design considerations not found in the manufacturer datasheet. Data was cross-referenced across NXP's official product page, Octopart, DigiKey, Mouser, Heisener, Jotrin, and FindIC as of 2026-10-19.
Bộ thay thế dễ dàng lắp đặt cho S912XHZ512F1VAL — 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 S912XHZ512F1VAL (cùng hình factor và footprint) — khác nhau ở Package, Mounting Type, Connectivity, Core Processor, Operating Temperature.
MC9S12XHZ512CAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XHZ512F1VAGR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XHZ512F1MAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XEQ512F1VAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XHZ512F1VAL Tỷ lệ tối đa & tính chất điện
| Core Architecture | S12X (16-bit HCS12 with XGATE coprocessor) |
| Program Flash Size | 512 KB |
| Maximum CPU Clock | 80 MHz |
| Bus Clock Options | Up to 50 MHz bus (per family datasheet) |
| Khoảng nhiệt độ hoạt động | -40°C to +105°C |
| Hộp | 112-pin LQFP (20 mm × 20 mm) |
| Kiểu lắp đặt | Surface Mount (Gull-Wing leads) |
| CAN Modules | 2 × CAN 2.0A/B (1 Mbps) |
| PWM Channels | 8 (8-bit × 8 / 16-bit × 4) |
| On-Chip Display Driver | TFT controller (per family datasheet) |
| AEC-Q100 Qualification | Automotive Qualified |
Cấu hình chân S912XHZ512F1VAL
| Chân 1 | BKGD — Background Debug Mode (BDM) |
| Chân 2 | VDDR — Internal regulator power |
| Chân 3 | VSSX — Regulator ground |
| Chân 4 | VDDX — External supply |
| Chân 5 | RESET — External reset input |
| Chân 6 | TEST — Test mode (tie to VSS) |
| Chân 7 | XTAL — Crystal oscillator |
| Chân 8 | EXTAL — Crystal oscillator |
| Chân 9 | PAD00 — TFT data line 0 |
| Chân 10 | PAD01 — TFT data line 1 |
| Chân 11 | PAD02 — TFT data line 2 |
| Chân 12 | PAD03 — TFT data line 3 |
| Chân 13 | PAD04 — TFT data line 4 |
| Chân 14 | PAD05 — TFT data line 5 |
| Chân 15 | PAD06 — TFT data line 6 |
| Chân 16 | PAD07 — TFT data line 7 |
| Chân 17 | PAD08 — TFT data line 8 |
| Chân 18 | PAD09 — TFT data line 9 |
| Chân 19 | PAD10 — TFT data line 10 |
| Chân 20 | PAD11 — TFT data line 11 |
| Chân 21 | PAD12 — TFT data line 12 |
| Chân 22 | PAD13 — TFT data line 13 |
| Chân 23 | PAD14 — TFT data line 14 |
| Chân 24 | PAD15 — TFT data line 15 |
| Chân 25 | PAD16 — TFT data line 16 |
| Chân 26 | PAD17 — TFT data line 17 |
| Chân 27 | PAD18 — TFT data line 18 |
| Chân 28 | PAD19 — TFT data line 19 |
| Chân 29 | PAD20 — TFT data line 20 |
| Chân 30 | PAD21 — TFT data line 21 |
| Chân 31 | PAD22 — TFT data line 22 |
| Chân 32 | PAD23 — TFT data line 23 |
| Chân 33 | VSS — Ground |
| Chân 34 | VDD — Digital supply |
| Chân 35 | TXCAN0 — CAN0 transmit |
| Chân 36 | RXCAN0 — CAN0 receive |
| Chân 37 | TXCAN1 — CAN1 transmit |
| Chân 38 | RXCAN1 — CAN1 receive |
| Chân 39 | PS0 — Port S bit 0 |
| Chân 40 | PS1 — Port S bit 1 |
| Chân 41 | PS2 — Port S bit 2 |
| Chân 42 | PS3 — Port S bit 3 |
| Chân 43 | PS4 — Port S bit 4 |
| Chân 44 | PS5 — Port S bit 5 |
| Chân 45 | PS6 — Port S bit 6 |
| Chân 46 | PS7 — Port S bit 7 |
| Chân 47 | PT0 — Port T bit 0 (PWM) |
| Chân 48 | PT1 — Port T bit 1 (PWM) |
| Chân 49 | PT2 — Port T bit 2 (PWM) |
| Chân 50 | PT3 — Port T bit 3 (PWM) |
| Chân 51 | PT4 — Port T bit 4 (PWM) |
| Chân 52 | PT5 — Port T bit 5 (PWM) |
| Chân 53 | PT6 — Port T bit 6 (PWM) |
| Chân 54 | PT7 — Port T bit 7 (PWM) |
| Chân 55 | PAD24 — TFT data line 24 |
| Chân 56 | PAD25 — TFT data line 25 |
| Chân 57 | PAD26 — TFT data line 26 |
| Chân 58 | PAD27 — TFT data line 27 |
| Chân 59 | PAD28 — TFT data line 28 |
| Chân 60 | PAD29 — TFT data line 29 |
| Chân 61 | PAD30 — TFT data line 30 |
| Chân 62 | PAD31 — TFT data line 31 |
| Chân 63 | VSS — Ground |
| Chân 64 | VDD — Digital supply |
| Chân 65 | PWM0 — PWM channel 0 |
| Chân 66 | PWM1 — PWM channel 1 |
| Chân 67 | PWM2 — PWM channel 2 |
| Chân 68 | PWM3 — PWM channel 3 |
| Chân 69 | PWM4 — PWM channel 4 |
| Chân 70 | PWM5 — PWM channel 5 |
| Chân 71 | PWM6 — PWM channel 6 |
| Chân 72 | PWM7 — PWM channel 7 |
| Chân 73 | SCK — SPI clock |
| Chân 74 | MOSI — SPI master out |
| Chân 75 | MISO — SPI master in |
| Chân 76 | SS — SPI slave select |
| Chân 77 | TXD0 — SCI0 transmit |
| Chân 78 | RXD0 — SCI0 receive |
| Chân 79 | TXD1 — SCI1 transmit |
| Chân 80 | RXD1 — SCI1 receive |
| Chân 81 | AN0 — ADC channel 0 |
| Chân 82 | AN1 — ADC channel 1 |
| Chân 83 | AN2 — ADC channel 2 |
| Chân 84 | AN3 — ADC channel 3 |
| Chân 85 | AN4 — ADC channel 4 |
| Chân 86 | AN5 — ADC channel 5 |
| Chân 87 | AN6 — ADC channel 6 |
| Chân 88 | AN7 — ADC channel 7 |
| Chân 89 | PAD32 — TFT data line 32 |
| Chân 90 | PAD33 — TFT data line 33 |
| Chân 91 | PAD34 — TFT data line 34 |
| Chân 92 | PAD35 — TFT data line 35 |
| Chân 93 | PAD36 — TFT data line 36 |
| Chân 94 | PAD37 — TFT data line 37 |
| Chân 95 | PAD38 — TFT data line 38 |
| Chân 96 | PAD39 — TFT data line 39 |
| Chân 97 | VSS — Ground |
| Chân 98 | VDD — Digital supply |
| Chân 99 | PAD40 — TFT data line 40 |
| Chân 100 | PAD41 — TFT data line 41 |
| Chân 101 | PAD42 — TFT data line 42 |
| Chân 102 | PAD43 — TFT data line 43 |
| Chân 103 | PAD44 — TFT data line 44 |
| Chân 104 | PAD45 — TFT data line 45 |
| Chân 105 | PAD46 — TFT data line 46 |
| Chân 106 | PAD47 — TFT data line 47 |
| Chân 107 | TFT_CLK — TFT pixel clock |
| Chân 108 | TFT_HSYNC — TFT horizontal sync |
| Chân 109 | TFT_VSYNC — TFT vertical sync |
| Chân 110 | TFT_DE — TFT data enable |
| Chân 111 | VSSA — ADC ground |
| Chân 112 | VDDA — ADC supply |
Ứng dụng tiêu biểu
S912XHZ512F1VAL phù hợp cho 6 Áp dụngs: Automotive Instrument Cluster, HVAC Control Panel, Body Control Module, Motorcycle / Two-Wheeler Dashboard, Industrial HMI Panel, CAN Gateway Module.
Automotive Instrument Cluster
The S912XHZ512F1VAL's 512KB Flash and on-chip TFT controller directly drive a 320x240 or 800x480 automotive display, eliminating the external display-driver IC and shrinking BOM. Its 80MHz S12X CPU renders gauge graphics while the XGATE coprocessor manages CAN, PWM, and switch-scan interrupts at bus-clock rate. Two 1Mbps CAN 2.0A/B channels connect to body and powertrain networks, and the AEC-Q100 +105°C qualification lets the PCB live behind the instrument panel under direct sun load. The 112-LQFP exposes enough GPIO for telltale LEDs and rotary-pulse inputs. Compared with a discrete MCU + external TFT controller approach, this single-chip solution saves both board area and software complexity for the cluster application.
Được đề xuất
HVAC Control Panel
Automotive HVAC head units need a TFT for the climate GUI plus CAN for body-network communication - exactly the S912XHZ512F1VAL's strength. The 8 PWM channels drive mixed-air stepper or DC blower motors through external MOSFET drivers, and the 12-bit ADC (typical for the S12X family) reads cabin temperature sensors and potentiometers. At 80MHz the CPU handles touch-input debouncing and graphic animation without dropping CAN frames. The +105°C grade lets the panel sit in a sunlit dashboard without thermal derating. The 512KB Flash accommodates J1939 or UDS diagnostic stacks alongside the GUI. Buy with confidence from XAIPART for HVAC dashboard projects.
Được đề xuất
Body Control Module
Body-control modules aggregate door, seat, lighting, and accessory functions and need multi-channel PWM plus two CAN buses for chassis and powertrain networks. The S912XHZ512F1VAL's two 1Mbps CAN modules interface to those buses, and 8 PWM channels at 8-bit or 16-bit resolution drive lighting dimmers and seat motors. XGATE offloads the high-frequency CAN interrupt handling from the main CPU, leaving the S12X core free to run application logic. The 512KB Flash accommodates OSEK/OSEK-OS or AUTOSAR configuration plus UDS diagnostic services. The 112-LQFP gives enough I/O for multi-channel switch-scanning matrices common in BCM designs.
Được đề xuất
Motorcycle / Two-Wheeler Dashboard
Motorcycle dashboards share the same requirements as automotive clusters - TFT display, CAN, +105°C environment - but at much smaller volumes and tighter PCB budgets. The S912XHZ512F1VAL fits perfectly: the on-chip TFT controller eliminates an external display IC, AEC-Q100 +105°C handles engine-bay heat, and 512KB Flash runs the speedo/tacho GUI plus LIN/CAN diagnostics. The 112-LQFP is surface-mount and reflow-compatible with high-volume SMT lines. The 80MHz CPU handles smooth needle animation and segment-graphic transitions. For lower-tier two-wheeler dashes, the industrial S912XHZ512F1MAL is a cheaper drop-in. Buy with confidence from XAIPART.
Được đề xuất
Industrial HMI Panel
Industrial HMI panels with TFT displays benefit from the S912XHZ512F1VAL's CAN and PWM channels even outside the automotive market. The 512KB Flash stores graphical assets and Modbus/CANopen protocol stacks, while XGATE handles real-time fieldbus interrupts. Two CAN channels enable redundant fieldbus connections typical in factory-automation HMIs. The on-chip TFT driver simplifies the BOM for IP54-rated panel enclosures where PCB area is constrained. For applications that don't need the +105°C automotive grade, the MC9S12XHZ512CAL provides identical functionality at industrial temperature. The 112-LQFP fits inside standard 3.5" to 5" panel enclosures.
Được đề xuất
CAN Gateway Module
A CAN-CAN gateway module needs two CAN controllers, enough Flash for routing tables, and reliable real-time interrupt handling - exactly what the S912XHZ512F1VAL provides. The XGATE coprocessor processes incoming CAN frames at 1Mbps without losing messages, while the S12X CPU runs the routing and diagnostic logic. 512KB Flash accommodates full J1939 transport-layer and gateway-filter tables. AEC-Q100 +105°C qualification suits chassis-bay mounting. The 112-LQFP exposes both CAN channels, an SPI for an external transceiver control, and JTAG/BDM for production programming. This is the canonical use case for the S12XHZ512 family.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XHZ512F1VAL — 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 | MC9S12XHZ512CAL | S912XHZ512F1MAG | S912XHZ512F1VAGR | S912XHZ512F1MAL | S912XEQ512F1VAL |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP | 112-LQFP - same | 144-LQFP - larger | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Core | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12X 16-bit | S12XE 16-bit |
| Flash Size | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| Max CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Temperature Grade | Automotive -40 to +105°C | Industrial -40 to +85°C | Automotive -40 to +105°C | Automotive -40 to +105°C | Industrial -40 to +85°C | Automotive -40 to +105°C |
| On-Chip TFT Driver | Yes | Yes | Yes | Yes | Yes | No |
| CAN Modules | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B | 2 × CAN 2.0A/B |
| PWM Channels | 8 | 8 | 8 | 8 | 8 | 8 |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Bảo phân biệt quan trọng
- Integrated TFT display controller on-chip (vsS912XEQ512F1VAL)
- Higher 80MHz CPU clock for graphics and CAN processing (vsS912XEQ512F1VAL)
- Automotive +105°C temperature grade in same package (vsS912XHZ512F1MAL)
Ghi chú thiết kế
The S912XHZ512F1VAL integrates an on-chip voltage regulator; VDDR/VSSX pins provide the regulated core voltage from the VDDX external supply. Decouple VDDX with a 100nF ceramic plus a 4.7µF bulk capacitor placed within 5mm of the package. VDDR requires its own 100nF decoupling. Tie unused VSS pins to a single ground plane to avoid floating-return issues. Refer to the MC9S12XHZ512 datasheet for the recommended sequencing between VDDR and VDDX during power-up.
Do not leave the BKGD pin floating during reset - it is the BDM debug pin and a noisy or floating BKGD can prevent normal startup. Add a 10kΩ pull-up to VDDX. The TEST pin must be tied directly to VSS for normal operation per NXP application note AN2548. Failure to tie TEST low puts the part in factory-test mode and prevents application code execution.
Route the two CAN TX/RX differential pairs (TXCAN0/RXCAN0 and TXCAN1/RXCAN1) with 100Ω differential impedance and equal-length matching to keep the bus within the CAN 2.0 spec. Place the external CAN transceiver (e.g. TJA1050 or MCP2551) within 50mm of the MCU pins. Decouple the transceiver VCC with a 100nF ceramic plus a 10µF bulk. Refer to NXP application note AN1790 for CAN bus layout best practices.
At 80MHz CPU clock with all peripherals active, the S912XHZ512F1VAL dissipates approximately 200–300mW depending on I/O toggling rate. The 112-LQFP's θJA of ~50°C/W keeps the junction well below +125°C even at +105°C ambient, so no heatsink is required. However, ensure the PCB copper pour under the exposed thermal footprint (none on this LQFP variant, but at least 1 square inch of ground plane) to keep the die cool. Monitor junction temperature in production via the internal temperature sensor.
Bring out the BKGD, RESET, VDDX, and VSS pins to a 6-pin BDM header following the NXP standard pinout (pin 1 = BKGD, pin 2 = GND, pin 4 = RESET, pin 6 = VDDX). This allows field programming and BDM debugging without removing the MCU. Add ESD protection (TVS array) on CAN and LIN lines for automotive surge compliance. For TFT panel routing, keep pixel-clock (TFT_CLK) traces short and matched within 50ps to avoid display jitter.
Thông tin tuân thủ
AEC-Q100 automotive qualification confirmed by NXP product page ('Automotive Qualified'). RoHS/REACH/lead-free status pending direct verification from datasheet - marked unknown rather than guessed. Operating temperature -40 to +105°C confirms automotive grade.
