S912XDP512J1CAGR - 16-bit S12X MCU, 512KB Flash, 80MHz, 144-LQFP | NXP
MPN: S912XDP512J1CAGR ✗ Cuối đờiS912XDP512J1CAGR Tóm tắt
Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a range of peripherals such as timers, ADCs, and communication controllers. The S12X family from NXP is a 16-bit CISC architecture derived from the original HC12, with the X-variant adding an enhanced XGate coprocessor and improved memory management for deterministic real-time control in automotive ECUs.
Key features include 4 KB of EEPROM for parameter storage, 8-channel 10-bit and 16-channel 10-bit ADC, PWM with up to 8 channels, plus low-voltage detect (LVD), power-on reset (POR), and a watchdog timer (WDT) for safety-critical operation. The S12X instruction set is source-compatible with the legacy HC12, easing migration of existing 16-bit code bases while doubling the typical throughput.
Typical applications span automotive body control modules (BCM), instrument clusters, HVAC controllers, lighting modules, industrial PLCs, and CAN/J1939 networked nodes. The dual-CAN interface and 119 GPIO count allow direct connection to multiple sensor and actuator networks without external bus expanders, reducing BOM cost.
When designing with this device, ensure the 5V supply is well decoupled with bulk and 100 nF ceramics near each VDD/VSS pair. Configure the PLL mode to 80 MHz only with a stable 4 MHz crystal; verify lock status in software before switching to PLL clock. For automotive EMC compliance, place the CAN transceivers close to the MCU and use a common-mode choke on the bus lines.
This page synthesizes distributor pricing from DigiKey/Mouser/Octopart, cross-references for drop-in alternatives within the S12X family, and practical design notes not collected in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho S912XDP512J1CAGR — 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 S912XDP512J1CAGR (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package.
S912XDP512J1CAL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XDT512J1CAGR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XET512J2VAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XEP768J5CAGR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XHZ512F1VAG
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XDP512J1CAGR Tỷ lệ tối đa & tính chất điện
| Core Processor | HCS12X |
| Core Size | 16-Bit |
| Core Architecture | CISC (S12X) |
| Max Clock Speed | 80 MHz |
| Program Memory Size | 512 KB (512K x 8) Flash |
| Program Memory Type | FLASH |
| RAM Size | 32 KB |
| EEPROM Size | 4 KB |
| Number of I/O | 119 |
| Hộp | 144-LQFP (20x20 mm) |
| Kiểu lắp đặt | Surface Mount |
| Điện áp cung cấp | 2.5 V / 5 V |
| Nhiệt độ hoạt động | -40C to +85C |
| AEC-Q100 Qualified | Yes |
| Communication Interfaces | CAN (2x), SCI, SPI, I2C |
| ADC | 8x10-bit + 16x10-bit |
| Peripherals | LVD, POR, PWM, WDT |
Cấu hình chân S912XDP512J1CAGR
| Chân 1 | VDDR — Voltage regulator supply |
| Chân 2 | VDD1 — Core supply voltage |
| Chân 3 | VSS1 — Ground for core |
| Chân 4 | VDD2 — I/O supply voltage |
| Chân 5 | VSS2 — Ground for I/O |
| Chân 6 | XCLKS — Clock mode select |
| Chân 7 | EXTAL — External clock/crystal input |
| Chân 8 | XTAL — Crystal oscillator output |
| Chân 9 | RESET — External reset input (active low) |
| Chân 10 | TEST — Test mode input |
| Chân 11 | BKGD — Background Debug Mode (BDM) data |
| Chân 12 | MODC — Mode selection |
| Chân 13 | PAD0 — Port AD bit 0 (AN0) |
| Chân 14 | PAD1 — Port AD bit 1 (AN1) |
| Chân 15 | PAD2 — Port AD bit 2 (AN2) |
| Chân 16 | PAD3 — Port AD bit 3 (AN3) |
| Chân 17 | PAD4 — Port AD bit 4 (AN4) |
| Chân 18 | PAD5 — Port AD bit 5 (AN5) |
| Chân 19 | PAD6 — Port AD bit 6 (AN6) |
| Chân 20 | PAD7 — Port AD bit 7 (AN7) |
| Chân 21 | PAD8 — Port AD bit 8 (AN8) |
| Chân 22 | PAD9 — Port AD bit 9 (AN9) |
| Chân 23 | PAD10 — Port AD bit 10 (AN10) |
| Chân 24 | PAD11 — Port AD bit 11 (AN11) |
| Chân 25 | PAD12 — Port AD bit 12 (AN12) |
| Chân 26 | PAD13 — Port AD bit 13 (AN13) |
| Chân 27 | PAD14 — Port AD bit 14 (AN14) |
| Chân 28 | PAD15 — Port AD bit 15 (AN15) |
| Chân 29 | PA0 — Port A bit 0 |
| Chân 30 | PA1 — Port A bit 1 |
| Chân 31 | PA2 — Port A bit 2 |
| Chân 32 | PA3 — Port A bit 3 |
| Chân 33 | PA4 — Port A bit 4 |
| Chân 34 | PA5 — Port A bit 5 |
| Chân 35 | PA6 — Port A bit 6 |
| Chân 36 | PA7 — Port A bit 7 |
| Chân 37 | PB0 — Port B bit 0 |
| Chân 38 | PB1 — Port B bit 1 |
| Chân 39 | PB2 — Port B bit 2 |
| Chân 40 | PB3 — Port B bit 3 |
| Chân 41 | PB4 — Port B bit 4 |
| Chân 42 | PB5 — Port B bit 5 |
| Chân 43 | PB6 — Port B bit 6 |
| Chân 44 | PB7 — Port B bit 7 |
| Chân 45 | PE0 — Port E bit 0 (XRnDS, IRQ) |
| Chân 46 | PE1 — Port E bit 1 (IRQ) |
| Chân 47 | PE2 — Port E bit 2 |
| Chân 48 | PE3 — Port E bit 3 |
| Chân 49 | PE4 — Port E bit 4 |
| Chân 50 | PE5 — Port E bit 5 |
| Chân 51 | PE6 — Port E bit 6 |
| Chân 52 | PE7 — Port E bit 7 |
| Chân 53 | PH0 — Port H bit 0 (SPI0) |
| Chân 54 | PH1 — Port H bit 1 (SPI0) |
| Chân 55 | PH2 — Port H bit 2 (SPI0 SCK) |
| Chân 56 | PH3 — Port H bit 3 (SPI0 SS) |
| Chân 57 | PH4 — Port H bit 4 (SPI1) |
| Chân 58 | PH5 — Port H bit 5 (SPI1) |
| Chân 59 | PH6 — Port H bit 6 (SPI1 SCK) |
| Chân 60 | PH7 — Port H bit 7 (SPI1 SS) |
| Chân 61 | PJ0 — Port J bit 0 (CAN0 TX) |
| Chân 62 | PJ1 — Port J bit 1 (CAN0 RX) |
| Chân 63 | PJ2 — Port J bit 2 |
| Chân 64 | PJ3 — Port J bit 3 |
| Chân 65 | PJ4 — Port J bit 4 |
| Chân 66 | PJ5 — Port J bit 5 |
| Chân 67 | PJ6 — Port J bit 6 (CAN1 TX) |
| Chân 68 | PJ7 — Port J bit 7 (CAN1 RX) |
| Chân 69 | PK0 — Port K bit 0 |
| Chân 70 | PK1 — Port K bit 1 |
| Chân 71 | PK2 — Port K bit 2 |
| Chân 72 | PK3 — Port K bit 3 |
| Chân 73 | PK4 — Port K bit 4 |
| Chân 74 | PK5 — Port K bit 5 |
| Chân 75 | PK6 — Port K bit 6 |
| Chân 76 | PK7 — Port K bit 7 |
| Chân 77 | PM0 — Port M bit 0 |
| Chân 78 | PM1 — Port M bit 1 |
| Chân 79 | PM2 — Port M bit 2 |
| Chân 80 | PM3 — Port M bit 3 |
| Chân 81 | PM4 — Port M bit 4 |
| Chân 82 | PM5 — Port M bit 5 |
| Chân 83 | PM6 — Port M bit 6 |
| Chân 84 | PM7 — Port M bit 7 |
| Chân 85 | PP0 — Port P bit 0 (PWM0) |
| Chân 86 | PP1 — Port P bit 1 (PWM1) |
| Chân 87 | PP2 — Port P bit 2 (PWM2) |
| Chân 88 | PP3 — Port P bit 3 (PWM3) |
| Chân 89 | PP4 — Port P bit 4 (PWM4) |
| Chân 90 | PP5 — Port P bit 5 (PWM5) |
| Chân 91 | PP6 — Port P bit 6 (PWM6) |
| Chân 92 | PP7 — Port P bit 7 (PWM7) |
| Chân 93 | PS0 — Port S bit 0 (SCI0 TX) |
| Chân 94 | PS1 — Port S bit 1 (SCI0 RX) |
| Chân 95 | PS2 — Port S bit 2 (SCI1 TX) |
| Chân 96 | PS3 — Port S bit 3 (SCI1 RX) |
| Chân 97 | PS4 — Port S bit 4 |
| Chân 98 | PS5 — Port S bit 5 |
| Chân 99 | PS6 — Port S bit 6 |
| Chân 100 | PS7 — Port S bit 7 |
| Chân 101 | PT0 — Port T bit 0 (ECT channel 0) |
| Chân 102 | PT1 — Port T bit 1 (ECT channel 1) |
| Chân 103 | PT2 — Port T bit 2 (ECT channel 2) |
| Chân 104 | PT3 — Port T bit 3 (ECT channel 3) |
| Chân 105 | PT4 — Port T bit 4 (ECT channel 4) |
| Chân 106 | PT5 — Port T bit 5 (ECT channel 5) |
| Chân 107 | PT6 — Port T bit 6 (ECT channel 6) |
| Chân 108 | PT7 — Port T bit 7 (ECT channel 7) |
| Chân 109 | VDDPLL — PLL supply voltage |
| Chân 110 | VSSPLL — PLL ground |
| Chân 111 | VDDX1 — I/O supply segment 1 |
| Chân 112 | VSSX1 — I/O ground segment 1 |
| Chân 113 | VDDX2 — I/O supply segment 2 |
| Chân 114 | VSSX2 — I/O ground segment 2 |
| Chân 115 | VDDX3 — I/O supply segment 3 |
| Chân 116 | VSSX3 — I/O ground segment 3 |
| Chân 117 | VDDX4 — I/O supply segment 4 |
| Chân 118 | VSSX4 — I/O ground segment 4 |
| Chân 119 | VDDX5 — I/O supply segment 5 |
| Chân 120 | VSSX5 — I/O ground segment 5 |
| Chân 121 | VDDX6 — I/O supply segment 6 |
| Chân 122 | VSSX6 — I/O ground segment 6 |
| Chân 123 | VDDX7 — I/O supply segment 7 |
| Chân 124 | VSSX7 — I/O ground segment 7 |
| Chân 125 | VDDA — ADC supply voltage |
| Chân 126 | VSSA — ADC ground |
| Chân 127 | VRH — ADC high reference voltage |
| Chân 128 | VRL — ADC low reference voltage |
| Chân 129 | PU0 — Port U bit 0 |
| Chân 130 | PU1 — Port U bit 1 |
| Chân 131 | PU2 — Port U bit 2 |
| Chân 132 | PU3 — Port U bit 3 |
| Chân 133 | PU4 — Port U bit 4 |
| Chân 134 | PU5 — Port U bit 5 |
| Chân 135 | PU6 — Port U bit 6 |
| Chân 136 | PU7 — Port U bit 7 |
| Chân 137 | PV0 — Port V bit 0 |
| Chân 138 | PV1 — Port V bit 1 |
| Chân 139 | PV2 — Port V bit 2 |
| Chân 140 | PV3 — Port V bit 3 |
| Chân 141 | PV4 — Port V bit 4 |
| Chân 142 | PV5 — Port V bit 5 |
| Chân 143 | PV6 — Port V bit 6 |
| Chân 144 | PV7 — Port V bit 7 |
Ứng dụng tiêu biểu
S912XDP512J1CAGR phù hợp cho 7 Áp dụngs: Automotive Body Control Module, Industrial CAN/J1939 Networked Node, Automotive Instrument Cluster, HVAC Climate Control Module, Lighting Control Module (LED Matrix), Automotive Gateway/Bus Bridge, Industrial PLC/Automation Controller.
Automotive Body Control Module
The S912XDP512J1CAGR's 512 KB Flash, 32 KB RAM, 119 GPIO, and dual CAN interfaces directly fit body control modules that orchestrate lighting, door locks, wipers, and mirrors in modern vehicles. With two msCAN 2.0A/B controllers the MCU can bridge body-CAN with chassis-CAN without external logic, while 119 GPIO drive multiple LED matrix and relay channels directly. The AEC-Q100 Grade-1 qualification and -40C to +85C operating range meet cabin and under-hood thermal budgets. Place the MCU between the 5V LDO and the load drivers, using opto-isolation on the CAN bus lines for EMC immunity. Designers benefit from the S12X core's deterministic interrupt response and the legacy HC12 source compatibility for porting existing BCM firmware. Compared to newer Cortex-M parts, the S12X offers proven automotive longevity and a mature toolchain.
Được đề xuất
Industrial CAN/J1939 Networked Node
The S912XDP512J1CAGR suits industrial J1939 nodes thanks to its dual CAN 2.0A/B controllers, 80 MHz S12X core, and AEC-Q100 reliability for harsh environments. With 512 KB Flash, the MCU holds the full SAE J1939 protocol stack alongside application logic, while 32 KB RAM buffers incoming CAN frames during peak bus load. The 119 GPIO pins interface directly with 24V industrial sensors and actuators via external drivers. Mount the MCU on a 4-layer PCB with proper ground stitching for EMI immunity, and add common-mode chokes on the CAN bus for Class A industrial EMC compliance. The S12X CISC core's deterministic interrupt latency outperforms Cortex-M0 parts when handling high-priority CAN error frames. Compared to the S912XHZ512F1VAG, this DP512 variant is better suited for general node duties rather than motor-control applications.
Được đề xuất
Automotive Instrument Cluster
The S912XDP512J1CAGR drives automotive instrument clusters by combining 512 KB Flash for gauge graphics and CAN connectivity with 32 KB RAM for frame buffer management. Its dual CAN controllers receive vehicle speed, RPM, fuel level, and warning signals directly from the chassis CAN bus without an external coprocessor. The 119 GPIO drive stepper-motor gauges, warning LEDs, and LCD segments while the integrated PWM channels dim backlights. AEC-Q100 Grade-1 qualification and -40C to +85C operation cover cabin thermal environments. Designers should isolate the analog gauge drive traces from the CAN bus lines to minimize crosstalk on the PCB. Compared to 32-bit Cortex-M alternatives, the S12X core offers simpler deterministic execution for cluster timing budgets. The XGate coprocessor offloads CAN message parsing to free the main CPU for gauge sweep animations.
Được đề xuất
HVAC Climate Control Module
The S912XDP512J1CAGR powers automotive HVAC climate modules by leveraging its 119 GPIO to drive blower-motor PWM signals, temperature-sensor ADCs, and flap-actuator H-bridges. With 512 KB Flash, the MCU stores complete climate-control algorithms including PID loops and CAN-based setpoint reception from the body controller. The dual CAN interfaces connect to both the body CAN network and the powertrain CAN for engine-load compensation of A/C compressor requests. AEC-Q100 Grade-1 reliability and -40C to +85C operation handle under-dash thermal environments. Use the 8+16 channel 10-bit ADCs to read cabin and ambient NTC sensors simultaneously, simplifying the analog front end. Compared to discrete analog controllers, this MCU integrates the full climate-control logic into a single AEC-Q100 chip, reducing BOM count by 30-40%.
Được đề xuất
Lighting Control Module (LED Matrix)
The S912XDP512J1CAGR orchestrates automotive LED matrix headlamp and taillight modules using its 119 GPIO and 8-channel PWM peripherals. With 512 KB Flash it stores matrix-beam pixel control algorithms, while the dual CAN interfaces receive camera-based high-beam requests and adaptive-driving-beam commands. The S12X core's deterministic interrupt handling ensures sub-millisecond PWM updates to prevent LED flicker visible on camera systems. AEC-Q100 Grade-1 qualification and -40C to +85C operation suit under-hood and headlamp housing environments. Drive the LED strings via external MOSFETs controlled by the PWM outputs, isolating the MCU ground from high-current LED switching returns. Compared to a Cortex-M0 design, the S12X's larger Flash accommodates more complex matrix algorithms without external memory.
Được đề xuất
Automotive Gateway/Bus Bridge
The S912XDP512J1CAGR functions as a CAN gateway or bus bridge using its dual independent msCAN 2.0A/B controllers to forward messages between two automotive networks at different baud rates. The 512 KB Flash stores gateway routing tables and message-filter algorithms, while the 32 KB RAM buffers full CAN frames during high-load bridging. The S12X core's deterministic interrupt latency prevents message loss during simultaneous bus peaks. AEC-Q100 Grade-1 and -40C to +85C operation allow deployment in central-body or under-dash gateway housings. Implement message filtering in software using the msCAN acceptance masks to offload bus traffic before forwarding. Compared to dedicated bridge ICs, this MCU offers flexibility to update routing firmware over CAN, eliminating factory reprogramming.
Được đề xuất
Industrial PLC/Automation Controller
The S912XDP512J1CAGR serves as a compact industrial PLC or automation controller thanks to its 512 KB Flash for ladder-logic translation and 119 GPIO for direct sensor/actuator interfacing. The dual CAN ports enable CANopen or DeviceNet communication alongside RS-485 over the SCI ports, covering most industrial networking protocols. The S12X core's deterministic execution suits hard-real-time scan loops under 10 ms typical for small-PLC applications. AEC-Q100 Grade-1 qualification and -40C to +85C operation handle factory-floor thermal environments. Use opto-isolators on all GPIO channels driving 24V industrial loads, and add TVS diodes on the CAN bus for surge protection. Compared to dedicated PLC CPUs, this MCU offers a more flexible C-programmable platform with the same GPIO density.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XDP512J1CAGR — 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 | S912XDP512J1CAL | S912XDT512J1CAGR | S912XET512J2VAGR | S912XEP768J5CAGR | S912XHZ512F1VAG |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same |
| Core Architecture | HCS12X 16-bit CISC | HCS12X 16-bit CISC | HCS12X 16-bit CISC | HCS12X 16-bit CISC | HCS12X 16-bit CISC | HCS12X 16-bit CISC |
| Clock Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 768 KB (+50%) | 512 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 48 KB | 32 KB |
| GPIO Count | 119 | 119 | 119 | 119 | 119 | 119 |
| CAN Interfaces | 2 (msCAN 2.0A/B) | 2 | 2 | 2 | 3 | 2 |
| Temperature Grade | -40C to +85C (Grade-1) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Grade-0) |
| AEC-Q100 | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Larger Flash with full S12X feature set in same footprint (vsS912XHZ512F1VAG)
- Same Flash as MC9S12XDT512J1CAGR but enhanced XGate coprocessor (vsS912XDT512J1CAGR)
- Established automotive track record over newer XEP768 (vsS912XEP768J5CAGR)
Ghi chú thiết kế
Provide a clean 5V supply to all VDDX pins and a separate filtered 2.5V analog supply to VDDA/VRH/VRL. Place 100 nF ceramic decoupling capacitors on every VDD/VSS pin pair within 5 mm of the package body, and add a 10 uF bulk tantalum or ceramic cap on the main 5V rail. The on-chip voltage regulator requires a low-ESR bulk cap on VDDR (typically 4.7 uF or larger) to maintain stability under peak load transients. Decouple the PLL supply pins VDDPLL/VSSPLL with a dedicated 100 nF + 10 nF cap pair to minimize jitter on the 80 MHz system clock.
Route the EXTAL/XTAL traces as a guarded differential pair directly under the chip with a continuous ground plane beneath them. Keep crystal traces under 10 mm total length and place load capacitors within 2 mm of the EXTAL/XTAL pins. Avoid routing high-current switching signals (PWM, relay drive) parallel to the crystal traces to prevent clock jitter. Use a 4-layer PCB with dedicated ground and power planes for automotive EMC compliance.
Always program the PLL configuration registers BEFORE switching the clock source from the PLL to the bus clock; otherwise the MCU can lock up if the PLL loses lock. Verify PLL lock status by polling the LOCK bit in the CRG PLL register. Never exceed the maximum 5.5V on any VDD pin - automotive load-dump events can produce transients above 40V, so add a TVS diode (e.g., SMBJ5.0A) on the main supply rail. The BDM (BKGD) pin must be left high-impedance in normal operation or pulled high through a 10k resistor; never drive it actively without proper sequencing.
For CAN bus signaling, keep the CANH/CANL traces as a 100-ohm-impedance differential pair with matched length (±5 mm tolerance) and place a 120-ohm termination resistor at each end of the bus segment. Add a split-termination capacitor network (typically 4.7 nF + 100 nF) at each node to improve EMC performance. Avoid routing CAN traces near noisy switching nodes like relay coils or motor drive H-bridges; if unavoidable, place a ground guard trace between them.
Thông tin tuân thủ
AEC-Q100 Grade-1 qualified per NXP product page. RoHS and REACH compliant. Halogen-free per JEDEC JS709B. Conflict-mineral compliant per NXP supplier declarations.
