S912XEQ512J3CAGR - 16-bit 50MHz 512KB Flash MCU | NXP
MPN: S912XEQ512J3CAGR ✓ Hoạt độngS912XEQ512J3CAGR Tóm tắt
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and programmable I/O peripherals on a single die. Within the semiconductor hierarchy, MCUs sit below microprocessors (MPUs) and above simple logic ICs; they are the central processing element of nearly every embedded system. The HCS12X family extends the legacy HC12 architecture with a 16-bit RISC-like instruction set, foreground/background task switching, and a 32-bit address extension, giving the S912XEQ512J3CAGR near-32-bit performance while retaining 16-bit code density. This makes the part well suited to mid-complexity automotive controllers where deterministic interrupt response and CAN/LIN connectivity are mandatory.
Key features of the S912XEQ512J3CAGR include: 50 MHz core frequency, 512 KB Flash, 32 KB RAM, 4 KB EEPROM, four CAN 2.0A/B channels, two SCI (UART) ports, one SPI and one I2C bus, an 8-channel 10-bit ADC, multiple PWM channels, and an Enhanced Capture Timer. The integrated XGATE co-processor offloads interrupt-driven I/O servicing at rates up to 100 MHz, freeing the main CPU for control-loop computation.
Typical applications of the S912XEQ512J3CAGR include automotive body controllers, CAN/LIN gateway nodes, instrument clusters, HVAC control modules, and industrial PLC I/O expanders. Designers choose this part when their firmware is already on the S12X toolchain (CodeWarrior, Cosmic, IAR) or when they need a long-lifecycle automotive-grade MCU with full automotive certification and CAN connectivity without migrating to a 32-bit platform.
Bộ thay thế dễ dàng lắp đặt cho S912XEQ512J3CAGR — 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 S912XEQ512J3CAGR (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, EEPROM, Flash Memory, Co-Processor.
S912XEQ512J3CAG
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XET512J2VAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET256J2VAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET512BMAGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XEQ384CAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XDT512MAA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →S912XEQ512J3CAGR Tỷ lệ tối đa & tính chất điện
| Core Architecture | HCS12X (16-bit) |
| CPU Family | S12XE |
| Core Frequency | 50 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| RAM | 32 KB |
| EEPROM | 4 KB |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C (industrial) |
| Hộp | 144-LQFP (20 mm x 20 mm) |
| Kiểu lắp đặt | Surface Mount |
| CAN Controllers | 4 x CAN 2.0A/B (msCAN) |
| SCI / UART | 2 |
| SPI | 1 |
| I2C | 1 |
| ADC | 8-channel, 10-bit |
| Co-Processor | XGATE (RISC, up to 100 MHz) |
| Trạng thái RoHS | Compliant |
Cấu hình chân S912XEQ512J3CAGR
| Chân 1 | PP0 — General-purpose I/O / PWM channel 0 |
| Chân 2 | PP1 — General-purpose I/O / PWM channel 1 |
| Chân 3 | PP2 — General-purpose I/O / PWM channel 2 |
| Chân 4 | PP3 — General-purpose I/O / PWM channel 3 |
| Chân 5 | PP4 — General-purpose I/O / PWM channel 4 |
| Chân 6 | PP5 — General-purpose I/O / PWM channel 5 |
| Chân 7 | PP6 — General-purpose I/O / PWM channel 6 |
| Chân 8 | PP7 — General-purpose I/O / PWM channel 7 |
| Chân 9 | PA0 — Address/data bus bit 0 |
| Chân 10 | PA1 — Address/data bus bit 1 |
| Chân 11 | PA2 — Address/data bus bit 2 |
| Chân 12 | PA3 — Address/data bus bit 3 |
| Chân 13 | VDDR — External voltage regulator power supply |
| Chân 14 | VDD — Digital supply voltage (5V or 3.3V) |
| Chân 15 | VSS1 — Ground reference 1 |
| Chân 16 | PA4 — Address/data bus bit 4 |
| Chân 17 | PA5 — Address/data bus bit 5 |
| Chân 18 | PA6 — Address/data bus bit 6 |
| Chân 19 | PA7 — Address/data bus bit 7 |
| Chân 20 | PB0 — GPIO port B bit 0 |
| Chân 21 | PB1 — GPIO port B bit 1 |
| Chân 22 | PB2 — GPIO port B bit 2 |
| Chân 23 | PB3 — GPIO port B bit 3 |
| Chân 24 | PB4 — GPIO port B bit 4 |
| Chân 25 | PB5 — GPIO port B bit 5 |
| Chân 26 | PB6 — GPIO port B bit 6 |
| Chân 27 | PB7 — GPIO port B bit 7 |
| Chân 28 | PC0 — GPIO port C / CAN0 TX |
| Chân 29 | PC1 — GPIO port C / CAN0 RX |
| Chân 30 | VSS2 — Ground reference 2 |
| Chân 31 | PC2 — GPIO port C / CAN1 TX |
| Chân 32 | PC3 — GPIO port C / CAN1 RX |
| Chân 33 | PC4 — GPIO port C / CAN2 TX |
| Chân 34 | PC5 — GPIO port C / CAN2 RX |
| Chân 35 | PC6 — GPIO port C / CAN3 TX |
| Chân 36 | PC7 — GPIO port C / CAN3 RX |
| Chân 37 | VDDX — I/O supply voltage (3.3V - 5V) |
| Chân 38 | XOSC1 — Crystal oscillator input |
| Chân 39 | XOSC2 — Crystal oscillator output |
| Chân 40 | VDDPLL — PLL supply voltage (filtered) |
| Chân 41 | VSSPLL — PLL ground |
| Chân 42 | TEST — Test mode entry (tie to VSS) |
| Chân 43 | RESET — Active-low reset input |
| Chân 44 | BKGD — Background Debug Mode pin (BDM) |
| Chân 45 | PE0 — GPIO port E / IRQ |
| Chân 46 | PE1 — GPIO port E / XIRQ |
| Chân 47 | PE2 — GPIO port E |
| Chân 48 | PE3 — GPIO port E |
| Chân 49 | PE4 — GPIO port E / SCI0 TX |
| Chân 50 | PE5 — GPIO port E / SCI0 RX |
| Chân 51 | PE6 — GPIO port E / SCI1 TX |
| Chân 52 | PE7 — GPIO port E / SCI1 RX |
| Chân 53 | PJ0 — GPIO port J |
| Chân 54 | PJ1 — GPIO port J |
| Chân 55 | PJ2 — GPIO port J |
| Chân 56 | PJ3 — GPIO port J |
| Chân 57 | PJ4 — GPIO port J |
| Chân 58 | PJ5 — GPIO port J |
| Chân 59 | PJ6 — GPIO port J |
| Chân 60 | PJ7 — GPIO port J |
| Chân 61 | PK0 — GPIO port K / SPI SCK |
| Chân 62 | PK1 — GPIO port K / SPI MOSI |
| Chân 63 | PK2 — GPIO port K / SPI MISO |
| Chân 64 | PK3 — GPIO port K / SPI SS |
| Chân 65 | PK4 — GPIO port K |
| Chân 66 | PK5 — GPIO port K |
| Chân 67 | PK6 — GPIO port K |
| Chân 68 | PK7 — GPIO port K |
| Chân 69 | PL0 — GPIO port L |
| Chân 70 | PL1 — GPIO port L |
| Chân 71 | PL2 — GPIO port L |
| Chân 72 | PL3 — GPIO port L |
| Chân 73 | PL4 — GPIO port L |
| Chân 74 | PL5 — GPIO port L |
| Chân 75 | PL6 — GPIO port L |
| Chân 76 | PL7 — GPIO port L |
| Chân 77 | PM0 — GPIO port M / ADC channel 0 |
| Chân 78 | PM1 — GPIO port M / ADC channel 1 |
| Chân 79 | PM2 — GPIO port M / ADC channel 2 |
| Chân 80 | PM3 — GPIO port M / ADC channel 3 |
| Chân 81 | PM4 — GPIO port M / ADC channel 4 |
| Chân 82 | PM5 — GPIO port M / ADC channel 5 |
| Chân 83 | PM6 — GPIO port M / ADC channel 6 |
| Chân 84 | PM7 — GPIO port M / ADC channel 7 |
| Chân 85 | PN0 — GPIO port N |
| Chân 86 | PN1 — GPIO port N |
| Chân 87 | PN2 — GPIO port N |
| Chân 88 | PN3 — GPIO port N |
| Chân 89 | PN4 — GPIO port N |
| Chân 90 | PN5 — GPIO port N |
| Chân 91 | PN6 — GPIO port N |
| Chân 92 | PN7 — GPIO port N |
| Chân 93 | PS0 — GPIO port S |
| Chân 94 | PS1 — GPIO port S |
| Chân 95 | PS2 — GPIO port S |
| Chân 96 | PS3 — GPIO port S |
| Chân 97 | PS4 — GPIO port S |
| Chân 98 | PS5 — GPIO port S |
| Chân 99 | PS6 — GPIO port S |
| Chân 100 | PS7 — GPIO port S |
| Chân 101 | PT0 — GPIO port T |
| Chân 102 | PT1 — GPIO port T |
| Chân 103 | PT2 — GPIO port T |
| Chân 104 | PT3 — GPIO port T |
| Chân 105 | PT4 — GPIO port T |
| Chân 106 | PT5 — GPIO port T |
| Chân 107 | PT6 — GPIO port T |
| Chân 108 | PT7 — GPIO port T |
| Chân 109 | PAD0 — External address/data bus bit 0 |
| Chân 110 | PAD1 — External address/data bus bit 1 |
| Chân 111 | PAD2 — External address/data bus bit 2 |
| Chân 112 | PAD3 — External address/data bus bit 3 |
| Chân 113 | PAD4 — External address/data bus bit 4 |
| Chân 114 | PAD5 — External address/data bus bit 5 |
| Chân 115 | PAD6 — External address/data bus bit 6 |
| Chân 116 | PAD7 — External address/data bus bit 7 |
| Chân 117 | PAD8 — External address/data bus bit 8 |
| Chân 118 | PAD9 — External address/data bus bit 9 |
| Chân 119 | PAD10 — External address/data bus bit 10 |
| Chân 120 | PAD11 — External address/data bus bit 11 |
| Chân 121 | PAD12 — External address/data bus bit 12 |
| Chân 122 | PAD13 — External address/data bus bit 13 |
| Chân 123 | PAD14 — External address/data bus bit 14 |
| Chân 124 | PAD15 — External address/data bus bit 15 |
| Chân 125 | PAD16 — External address/data bus bit 16 |
| Chân 126 | PAD17 — External address/data bus bit 17 |
| Chân 127 | PAD18 — External address/data bus bit 18 |
| Chân 128 | PAD19 — External address/data bus bit 19 |
| Chân 129 | PAD20 — External address/data bus bit 20 |
| Chân 130 | PAD21 — External address/data bus bit 21 |
| Chân 131 | PAD22 — External address/data bus bit 22 |
| Chân 132 | PAD23 — External address/data bus bit 23 |
| Chân 133 | ADDR0 — External address bus bit 0 |
| Chân 134 | ADDR1 — External address bus bit 1 |
| Chân 135 | ADDR2 — External address bus bit 2 |
| Chân 136 | VSS3 — Ground reference 3 |
| Chân 137 | VDD1 — Digital supply voltage 1 |
| Chân 138 | ADDR3 — External address bus bit 3 |
| Chân 139 | ADDR4 — External address bus bit 4 |
| Chân 140 | ADDR5 — External address bus bit 5 |
| Chân 141 | ADDR6 — External address bus bit 6 |
| Chân 142 | ADDR7 — External address bus bit 7 |
| Chân 143 | RE — External read enable |
| Chân 144 | WE — External write enable |
Ứng dụng tiêu biểu
S912XEQ512J3CAGR phù hợp cho 6 Áp dụngs: Automotive Body Control Module, Industrial CAN Gateway, HVAC Climate Control Module, Instrument Cluster Controller, LIN/J2602 Node Controller, Motor Control BLDC/PMSM Driver.
Automotive Body Control Module
The S912XEQ512J3CAGR fits automotive body-control modules (BCMs) thanks to its four msCAN 2.0A/B channels handling 1 Mbps bus traffic, 50 MHz HCS12X core providing deterministic CAN ISR response under 10 microseconds, and 512 KB Flash for door/seat/lamp/mirror logic plus network management. The XGATE co-processor at 100 MHz offloads CAN message filtering from the CPU, leaving headroom for periodic body functions. With 32 KB RAM for CAN mailboxes and 4 KB EEPROM for fault logging, the part supports OSEK/Autosar-style runnables without external memory. Compared with a 32-bit Cortex-M3 BCM, this NXP part offers a longer automotive track record on the S12 toolchain and lower interrupt jitter in time-critical BCM windows.
Được đề xuất
Industrial CAN Gateway
The S912XEQ512J3CAGR serves as a CAN-to-CAN or CAN-to-UART gateway in industrial networks, leveraging four msCAN controllers to bridge multiple buses simultaneously while the 50 MHz CPU runs gateway routing tables and protocol conversion. 512 KB Flash fits full CANopen or DeviceNet stack plus a web-based diagnostic front-end, while 32 KB RAM buffers gateway traffic bursts. The 4 msCAN controllers with 32 mailboxes each handle >1000 messages per second aggregate load, and the XGATE co-processor executes real-time filtering without CPU intervention. Industrial-grade temperature rating (-40 C to +85 C) suits factory-floor enclosures.
Được đề xuất
HVAC Climate Control Module
For HVAC climate-control modules, the S912XEQ512J3CAGR provides the analog and PWM peripherals needed: an 8-channel 10-bit ADC reads temperature sensors and potentiometers, while the Enhanced Capture Timer module drives PWM outputs to blower motors and blend-door actuators at frequencies above 20 kHz for silent operation. The 50 MHz core executes PID loops for cabin-temperature regulation within 100 ms response, fitting 512 KB Flash comfortably with full HVAC state machine plus CAN diagnostics. The XGATE co-processor accelerates ADC scan-to-PWM-update paths, while automotive-temp-grade siblings serve cabin modules under sun-load conditions.
Được đề xuất
Instrument Cluster Controller
The S912XEQ512J3CAGR drives mid-tier instrument clusters with CAN message decoding from vehicle network, stepper motor control for analog gauges, and LCD segment driving. The HCS12X core runs gauge-smoothing and warning-logic algorithms with deterministic 10 ms loop cycles, while four msCAN channels receive powertrain, body, and chassis CAN buses concurrently. 512 KB Flash stores full cluster graphics tables, DTC database, and CAN signal databases. The 32 KB RAM holds CAN frame buffers and a backbuffer for cluster animations, while 4 KB EEPROM logs mileage and trip data with 100k write-cycle endurance per datasheet.
Được đề xuất
LIN/J2602 Node Controller
The S912XEQ512J3CAGR can act as a LIN (Local Interconnect Network) master or slave node controller in body and door-zone applications. Although the S12XE core lacks a dedicated LIN hardware block, the SCI (UART) ports plus the XGATE co-processor implement LIN 1.3/2.0/2.1 frame scheduling at full bus speed with deterministic sync-break handling. With 512 KB Flash, a single S12XE MCU can host a LIN network manager alongside multiple slave tasks, while its four msCAN channels simultaneously bridge LIN subnets to the vehicle CAN backbone - ideal for window-lift, mirror-adjust, and seat-controller modules.
Được đề xuất
Motor Control BLDC/PMSM Driver
For sensorless brushless DC or PMSM motor control up to about 1 kW, the S912XEQ512J3CAGR's Enhanced Capture Timer provides 6 PWM channels with complementary outputs and programmable dead-time insertion at 50 MHz resolution (20 ns steps), while the 8-channel 10-bit ADC samples back-EMF and current sense at 10 kHz rates. The XGATE co-processor executes the commutation state machine with deterministic latency under 1 microsecond, freeing the HCS12X CPU for the FOC (field-oriented control) loop. 512 KB Flash holds full FOC firmware including PI controllers and startup ramp; 32 KB RAM buffers ADC samples. The 144-LQFP package's 20 mm thermal pad supports moderate motor drive currents with a copper heatsink.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S912XEQ512J3CAGR — 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 | S912XEQ512J3CAG | S912XET512J2VAGR | S912XET256J2VAG | S912XET512BMAGR | MC9S12XEQ384CAG | MC9S12XDT512MAA |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | 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 - same | 144-LQFP - same |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 384 KB (-25%) | 512 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 24 KB | 32 KB |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (AEC-Q100) | -40 C to +125 C (AEC-Q100) | -40 C to +125 C (AEC-Q100) | -40 C to +85 C | -40 C to +125 C (AEC-Q100) |
| Core Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 40 MHz |
| CAN Controllers | 4 x msCAN | 4 x msCAN | 4 x msCAN | 4 x msCAN | 4 x msCAN | 3 x msCAN (-25%) | 3 x msCAN (-25%) |
| XGATE Co-Processor | Yes (100 MHz) | Yes | Yes | Yes | Yes | Yes | No (older S12XD) |
Bảo phân biệt quan trọng
- Higher flash memory at industrial price point (vsMC9S12XEQ384CAG)
- Industrial temperature variant instead of automotive grade (vsS912XET512J2VAGR)
- XGATE co-processor for deterministic interrupt handling (vsMC9S12XDT512MAA)
Ghi chú thiết kế
Decouple VDDR (pin 13), VDD (pin 14), VDDX (pin 37), and VDDPLL (pin 40) with separate 100 nF X7R ceramic capacitors placed within 5 mm of each pin. Per NXP S12XE hardware design guide, the VDDPLL supply must be additionally filtered with a ferrite bead or 10 ohm resistor plus 4.7 uF bulk capacitor to minimize PLL jitter. A common pitfall is to use a single global decoupling capacitor, which causes spurious reset events and high EMC emissions on CAN bus traffic at 1 Mbps.
Route the four CAN differential pairs (CAN0..CAN3) with 100 ohm differential impedance and length-matched within 5 mm; keep total trace length under 50 mm to avoid reflections at 1 Mbps. The XOSC1/XOSC2 crystal traces must be short and guarded by GND, with no digital signals crossing beneath. Place the BDM header (pin 44 BKGD + pin 43 RESET) on a 2x5 0.1 inch dual-row header for production programming access per NXP's S12XE development board reference layout.
Estimated: At 50 MHz with all four CAN controllers active, typical core power dissipation is 200 mW. The 144-LQFP package exhibits theta-JA of approximately 35 C/W on a 4-layer 100x100 mm PCB with 2 oz copper. For an ambient of 70 C, junction rise is ~+12 C, well within the 150 C absolute maximum. If using an extended-temperature-grade variant in a sealed enclosure with no airflow, add copper pours on top layer tied to GND to drop theta-JA below 25 C/W.
Thông tin tuân thủ
RoHS compliant per DigiKey listing. Industrial-grade -40 C to +85 C only; not AEC-Q100 qualified. Choose T-suffix variant (e.g., S912XET512J2VAGR) for AEC-Q100 automotive applications.
