S912XEQ512J3CAGR - 16-bit 50MHz 512KB Flash MCU | NXP
MPN: S912XEQ512J3CAGR ✓ פעילS912XEQ512J3CAGR סקירה
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.
חלופות תחליף ישיר עבור S912XEQ512J3CAGR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם S912XEQ512J3CAGR (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, EEPROM, Flash Memory, Co-Processor.
S912XEQ512J3CAG
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
S912XET512J2VAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XET256J2VAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XET512BMAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12XEQ384CAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12XDT512MAA
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEQ512J3CAGR דירוגים מרביים ומאפיינים חשמליים
| 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 |
| טווח טמפרטורת פעולה | -40 C to +85 C (industrial) |
| מארז | 144-LQFP (20 mm x 20 mm) |
| סוג הרכבה | 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) |
| סטטוס RoHS | Compliant |
תצורת פינים של S912XEQ512J3CAGR
| פין 1 | PP0 — General-purpose I/O / PWM channel 0 |
| פין 2 | PP1 — General-purpose I/O / PWM channel 1 |
| פין 3 | PP2 — General-purpose I/O / PWM channel 2 |
| פין 4 | PP3 — General-purpose I/O / PWM channel 3 |
| פין 5 | PP4 — General-purpose I/O / PWM channel 4 |
| פין 6 | PP5 — General-purpose I/O / PWM channel 5 |
| פין 7 | PP6 — General-purpose I/O / PWM channel 6 |
| פין 8 | PP7 — General-purpose I/O / PWM channel 7 |
| פין 9 | PA0 — Address/data bus bit 0 |
| פין 10 | PA1 — Address/data bus bit 1 |
| פין 11 | PA2 — Address/data bus bit 2 |
| פין 12 | PA3 — Address/data bus bit 3 |
| פין 13 | VDDR — External voltage regulator power supply |
| פין 14 | VDD — Digital supply voltage (5V or 3.3V) |
| פין 15 | VSS1 — Ground reference 1 |
| פין 16 | PA4 — Address/data bus bit 4 |
| פין 17 | PA5 — Address/data bus bit 5 |
| פין 18 | PA6 — Address/data bus bit 6 |
| פין 19 | PA7 — Address/data bus bit 7 |
| פין 20 | PB0 — GPIO port B bit 0 |
| פין 21 | PB1 — GPIO port B bit 1 |
| פין 22 | PB2 — GPIO port B bit 2 |
| פין 23 | PB3 — GPIO port B bit 3 |
| פין 24 | PB4 — GPIO port B bit 4 |
| פין 25 | PB5 — GPIO port B bit 5 |
| פין 26 | PB6 — GPIO port B bit 6 |
| פין 27 | PB7 — GPIO port B bit 7 |
| פין 28 | PC0 — GPIO port C / CAN0 TX |
| פין 29 | PC1 — GPIO port C / CAN0 RX |
| פין 30 | VSS2 — Ground reference 2 |
| פין 31 | PC2 — GPIO port C / CAN1 TX |
| פין 32 | PC3 — GPIO port C / CAN1 RX |
| פין 33 | PC4 — GPIO port C / CAN2 TX |
| פין 34 | PC5 — GPIO port C / CAN2 RX |
| פין 35 | PC6 — GPIO port C / CAN3 TX |
| פין 36 | PC7 — GPIO port C / CAN3 RX |
| פין 37 | VDDX — I/O supply voltage (3.3V - 5V) |
| פין 38 | XOSC1 — Crystal oscillator input |
| פין 39 | XOSC2 — Crystal oscillator output |
| פין 40 | VDDPLL — PLL supply voltage (filtered) |
| פין 41 | VSSPLL — PLL ground |
| פין 42 | TEST — Test mode entry (tie to VSS) |
| פין 43 | RESET — Active-low reset input |
| פין 44 | BKGD — Background Debug Mode pin (BDM) |
| פין 45 | PE0 — GPIO port E / IRQ |
| פין 46 | PE1 — GPIO port E / XIRQ |
| פין 47 | PE2 — GPIO port E |
| פין 48 | PE3 — GPIO port E |
| פין 49 | PE4 — GPIO port E / SCI0 TX |
| פין 50 | PE5 — GPIO port E / SCI0 RX |
| פין 51 | PE6 — GPIO port E / SCI1 TX |
| פין 52 | PE7 — GPIO port E / SCI1 RX |
| פין 53 | PJ0 — GPIO port J |
| פין 54 | PJ1 — GPIO port J |
| פין 55 | PJ2 — GPIO port J |
| פין 56 | PJ3 — GPIO port J |
| פין 57 | PJ4 — GPIO port J |
| פין 58 | PJ5 — GPIO port J |
| פין 59 | PJ6 — GPIO port J |
| פין 60 | PJ7 — GPIO port J |
| פין 61 | PK0 — GPIO port K / SPI SCK |
| פין 62 | PK1 — GPIO port K / SPI MOSI |
| פין 63 | PK2 — GPIO port K / SPI MISO |
| פין 64 | PK3 — GPIO port K / SPI SS |
| פין 65 | PK4 — GPIO port K |
| פין 66 | PK5 — GPIO port K |
| פין 67 | PK6 — GPIO port K |
| פין 68 | PK7 — GPIO port K |
| פין 69 | PL0 — GPIO port L |
| פין 70 | PL1 — GPIO port L |
| פין 71 | PL2 — GPIO port L |
| פין 72 | PL3 — GPIO port L |
| פין 73 | PL4 — GPIO port L |
| פין 74 | PL5 — GPIO port L |
| פין 75 | PL6 — GPIO port L |
| פין 76 | PL7 — GPIO port L |
| פין 77 | PM0 — GPIO port M / ADC channel 0 |
| פין 78 | PM1 — GPIO port M / ADC channel 1 |
| פין 79 | PM2 — GPIO port M / ADC channel 2 |
| פין 80 | PM3 — GPIO port M / ADC channel 3 |
| פין 81 | PM4 — GPIO port M / ADC channel 4 |
| פין 82 | PM5 — GPIO port M / ADC channel 5 |
| פין 83 | PM6 — GPIO port M / ADC channel 6 |
| פין 84 | PM7 — GPIO port M / ADC channel 7 |
| פין 85 | PN0 — GPIO port N |
| פין 86 | PN1 — GPIO port N |
| פין 87 | PN2 — GPIO port N |
| פין 88 | PN3 — GPIO port N |
| פין 89 | PN4 — GPIO port N |
| פין 90 | PN5 — GPIO port N |
| פין 91 | PN6 — GPIO port N |
| פין 92 | PN7 — GPIO port N |
| פין 93 | PS0 — GPIO port S |
| פין 94 | PS1 — GPIO port S |
| פין 95 | PS2 — GPIO port S |
| פין 96 | PS3 — GPIO port S |
| פין 97 | PS4 — GPIO port S |
| פין 98 | PS5 — GPIO port S |
| פין 99 | PS6 — GPIO port S |
| פין 100 | PS7 — GPIO port S |
| פין 101 | PT0 — GPIO port T |
| פין 102 | PT1 — GPIO port T |
| פין 103 | PT2 — GPIO port T |
| פין 104 | PT3 — GPIO port T |
| פין 105 | PT4 — GPIO port T |
| פין 106 | PT5 — GPIO port T |
| פין 107 | PT6 — GPIO port T |
| פין 108 | PT7 — GPIO port T |
| פין 109 | PAD0 — External address/data bus bit 0 |
| פין 110 | PAD1 — External address/data bus bit 1 |
| פין 111 | PAD2 — External address/data bus bit 2 |
| פין 112 | PAD3 — External address/data bus bit 3 |
| פין 113 | PAD4 — External address/data bus bit 4 |
| פין 114 | PAD5 — External address/data bus bit 5 |
| פין 115 | PAD6 — External address/data bus bit 6 |
| פין 116 | PAD7 — External address/data bus bit 7 |
| פין 117 | PAD8 — External address/data bus bit 8 |
| פין 118 | PAD9 — External address/data bus bit 9 |
| פין 119 | PAD10 — External address/data bus bit 10 |
| פין 120 | PAD11 — External address/data bus bit 11 |
| פין 121 | PAD12 — External address/data bus bit 12 |
| פין 122 | PAD13 — External address/data bus bit 13 |
| פין 123 | PAD14 — External address/data bus bit 14 |
| פין 124 | PAD15 — External address/data bus bit 15 |
| פין 125 | PAD16 — External address/data bus bit 16 |
| פין 126 | PAD17 — External address/data bus bit 17 |
| פין 127 | PAD18 — External address/data bus bit 18 |
| פין 128 | PAD19 — External address/data bus bit 19 |
| פין 129 | PAD20 — External address/data bus bit 20 |
| פין 130 | PAD21 — External address/data bus bit 21 |
| פין 131 | PAD22 — External address/data bus bit 22 |
| פין 132 | PAD23 — External address/data bus bit 23 |
| פין 133 | ADDR0 — External address bus bit 0 |
| פין 134 | ADDR1 — External address bus bit 1 |
| פין 135 | ADDR2 — External address bus bit 2 |
| פין 136 | VSS3 — Ground reference 3 |
| פין 137 | VDD1 — Digital supply voltage 1 |
| פין 138 | ADDR3 — External address bus bit 3 |
| פין 139 | ADDR4 — External address bus bit 4 |
| פין 140 | ADDR5 — External address bus bit 5 |
| פין 141 | ADDR6 — External address bus bit 6 |
| פין 142 | ADDR7 — External address bus bit 7 |
| פין 143 | RE — External read enable |
| פין 144 | WE — External write enable |
יישומים טיפוסיים
S912XEQ512J3CAGR מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור S912XEQ512J3CAGR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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) |
מבדילים עיקריים
- Higher flash memory at industrial price point (לעומתMC9S12XEQ384CAG)
- Industrial temperature variant instead of automotive grade (לעומתS912XET512J2VAGR)
- XGATE co-processor for deterministic interrupt handling (לעומתMC9S12XDT512MAA)
הערות תכנון
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.
מידע על תאימות
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.
