S912XEQ512J3CAGR - 16-bit 50MHz 512KB Flash MCU | NXP
部品番号: S912XEQ512J3CAGR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.8 | $258.00 |
| 100 | $22.4 | $2,240.00 |
| 500 | $19.95 | $9,975.00 |
| 1,000 | $17.8 | $17,800.00 |
S912XEQ512J3CAGR 概要
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.
ドロップイン代替品: S912XEQ512J3CAGR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: S912XEQ512J3CAGR （同一形状・フットプリント） — 相違点: Package, Operating Temperature, EEPROM, Flash Memory, Co-Processor.
クイック比較ツール — 並列比較する代替部品を選択:
S912XEQ512J3CAG
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S912XET512J2VAGR
✅ ドロップイン✓ 在庫あり
$1 / 個
データシートを見る →S912XET256J2VAG
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →S912XET512BMAGR
✅ ドロップイン✓ 在庫あり
$6.6 / 個
データシートを見る →MC9S12XEQ384CAG
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →MC9S12XDT512MAA
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
価格はお問い合わせください
データシートを見る →S912XEQ512J3CAGR 最大定格＆電気的特性
| 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 |
| 動作温度範囲 | -40 C to +85 C (industrial) |
| パッケージ | 144-LQFP (20 mm x 20 mm) |
| 実装タイプ | 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) |
| RoHS ステータス | Compliant |
S912XEQ512J3CAGR ピン構成
| ピン 1 | PP0 — General-purpose I/O / PWM channel 0 |
| ピン 2 | PP1 — General-purpose I/O / PWM channel 1 |
| ピン 3 | PP2 — General-purpose I/O / PWM channel 2 |
| ピン 4 | PP3 — General-purpose I/O / PWM channel 3 |
| ピン 5 | PP4 — General-purpose I/O / PWM channel 4 |
| ピン 6 | PP5 — General-purpose I/O / PWM channel 5 |
| ピン 7 | PP6 — General-purpose I/O / PWM channel 6 |
| ピン 8 | PP7 — General-purpose I/O / PWM channel 7 |
| ピン 9 | PA0 — Address/data bus bit 0 |
| ピン 10 | PA1 — Address/data bus bit 1 |
| ピン 11 | PA2 — Address/data bus bit 2 |
| ピン 12 | PA3 — Address/data bus bit 3 |
| ピン 13 | VDDR — External voltage regulator power supply |
| ピン 14 | VDD — Digital supply voltage (5V or 3.3V) |
| ピン 15 | VSS1 — Ground reference 1 |
| ピン 16 | PA4 — Address/data bus bit 4 |
| ピン 17 | PA5 — Address/data bus bit 5 |
| ピン 18 | PA6 — Address/data bus bit 6 |
| ピン 19 | PA7 — Address/data bus bit 7 |
| ピン 20 | PB0 — GPIO port B bit 0 |
| ピン 21 | PB1 — GPIO port B bit 1 |
| ピン 22 | PB2 — GPIO port B bit 2 |
| ピン 23 | PB3 — GPIO port B bit 3 |
| ピン 24 | PB4 — GPIO port B bit 4 |
| ピン 25 | PB5 — GPIO port B bit 5 |
| ピン 26 | PB6 — GPIO port B bit 6 |
| ピン 27 | PB7 — GPIO port B bit 7 |
| ピン 28 | PC0 — GPIO port C / CAN0 TX |
| ピン 29 | PC1 — GPIO port C / CAN0 RX |
| ピン 30 | VSS2 — Ground reference 2 |
| ピン 31 | PC2 — GPIO port C / CAN1 TX |
| ピン 32 | PC3 — GPIO port C / CAN1 RX |
| ピン 33 | PC4 — GPIO port C / CAN2 TX |
| ピン 34 | PC5 — GPIO port C / CAN2 RX |
| ピン 35 | PC6 — GPIO port C / CAN3 TX |
| ピン 36 | PC7 — GPIO port C / CAN3 RX |
| ピン 37 | VDDX — I/O supply voltage (3.3V - 5V) |
| ピン 38 | XOSC1 — Crystal oscillator input |
| ピン 39 | XOSC2 — Crystal oscillator output |
| ピン 40 | VDDPLL — PLL supply voltage (filtered) |
| ピン 41 | VSSPLL — PLL ground |
| ピン 42 | TEST — Test mode entry (tie to VSS) |
| ピン 43 | RESET — Active-low reset input |
| ピン 44 | BKGD — Background Debug Mode pin (BDM) |
| ピン 45 | PE0 — GPIO port E / IRQ |
| ピン 46 | PE1 — GPIO port E / XIRQ |
| ピン 47 | PE2 — GPIO port E |
| ピン 48 | PE3 — GPIO port E |
| ピン 49 | PE4 — GPIO port E / SCI0 TX |
| ピン 50 | PE5 — GPIO port E / SCI0 RX |
| ピン 51 | PE6 — GPIO port E / SCI1 TX |
| ピン 52 | PE7 — GPIO port E / SCI1 RX |
| ピン 53 | PJ0 — GPIO port J |
| ピン 54 | PJ1 — GPIO port J |
| ピン 55 | PJ2 — GPIO port J |
| ピン 56 | PJ3 — GPIO port J |
| ピン 57 | PJ4 — GPIO port J |
| ピン 58 | PJ5 — GPIO port J |
| ピン 59 | PJ6 — GPIO port J |
| ピン 60 | PJ7 — GPIO port J |
| ピン 61 | PK0 — GPIO port K / SPI SCK |
| ピン 62 | PK1 — GPIO port K / SPI MOSI |
| ピン 63 | PK2 — GPIO port K / SPI MISO |
| ピン 64 | PK3 — GPIO port K / SPI SS |
| ピン 65 | PK4 — GPIO port K |
| ピン 66 | PK5 — GPIO port K |
| ピン 67 | PK6 — GPIO port K |
| ピン 68 | PK7 — GPIO port K |
| ピン 69 | PL0 — GPIO port L |
| ピン 70 | PL1 — GPIO port L |
| ピン 71 | PL2 — GPIO port L |
| ピン 72 | PL3 — GPIO port L |
| ピン 73 | PL4 — GPIO port L |
| ピン 74 | PL5 — GPIO port L |
| ピン 75 | PL6 — GPIO port L |
| ピン 76 | PL7 — GPIO port L |
| ピン 77 | PM0 — GPIO port M / ADC channel 0 |
| ピン 78 | PM1 — GPIO port M / ADC channel 1 |
| ピン 79 | PM2 — GPIO port M / ADC channel 2 |
| ピン 80 | PM3 — GPIO port M / ADC channel 3 |
| ピン 81 | PM4 — GPIO port M / ADC channel 4 |
| ピン 82 | PM5 — GPIO port M / ADC channel 5 |
| ピン 83 | PM6 — GPIO port M / ADC channel 6 |
| ピン 84 | PM7 — GPIO port M / ADC channel 7 |
| ピン 85 | PN0 — GPIO port N |
| ピン 86 | PN1 — GPIO port N |
| ピン 87 | PN2 — GPIO port N |
| ピン 88 | PN3 — GPIO port N |
| ピン 89 | PN4 — GPIO port N |
| ピン 90 | PN5 — GPIO port N |
| ピン 91 | PN6 — GPIO port N |
| ピン 92 | PN7 — GPIO port N |
| ピン 93 | PS0 — GPIO port S |
| ピン 94 | PS1 — GPIO port S |
| ピン 95 | PS2 — GPIO port S |
| ピン 96 | PS3 — GPIO port S |
| ピン 97 | PS4 — GPIO port S |
| ピン 98 | PS5 — GPIO port S |
| ピン 99 | PS6 — GPIO port S |
| ピン 100 | PS7 — GPIO port S |
| ピン 101 | PT0 — GPIO port T |
| ピン 102 | PT1 — GPIO port T |
| ピン 103 | PT2 — GPIO port T |
| ピン 104 | PT3 — GPIO port T |
| ピン 105 | PT4 — GPIO port T |
| ピン 106 | PT5 — GPIO port T |
| ピン 107 | PT6 — GPIO port T |
| ピン 108 | PT7 — GPIO port T |
| ピン 109 | PAD0 — External address/data bus bit 0 |
| ピン 110 | PAD1 — External address/data bus bit 1 |
| ピン 111 | PAD2 — External address/data bus bit 2 |
| ピン 112 | PAD3 — External address/data bus bit 3 |
| ピン 113 | PAD4 — External address/data bus bit 4 |
| ピン 114 | PAD5 — External address/data bus bit 5 |
| ピン 115 | PAD6 — External address/data bus bit 6 |
| ピン 116 | PAD7 — External address/data bus bit 7 |
| ピン 117 | PAD8 — External address/data bus bit 8 |
| ピン 118 | PAD9 — External address/data bus bit 9 |
| ピン 119 | PAD10 — External address/data bus bit 10 |
| ピン 120 | PAD11 — External address/data bus bit 11 |
| ピン 121 | PAD12 — External address/data bus bit 12 |
| ピン 122 | PAD13 — External address/data bus bit 13 |
| ピン 123 | PAD14 — External address/data bus bit 14 |
| ピン 124 | PAD15 — External address/data bus bit 15 |
| ピン 125 | PAD16 — External address/data bus bit 16 |
| ピン 126 | PAD17 — External address/data bus bit 17 |
| ピン 127 | PAD18 — External address/data bus bit 18 |
| ピン 128 | PAD19 — External address/data bus bit 19 |
| ピン 129 | PAD20 — External address/data bus bit 20 |
| ピン 130 | PAD21 — External address/data bus bit 21 |
| ピン 131 | PAD22 — External address/data bus bit 22 |
| ピン 132 | PAD23 — External address/data bus bit 23 |
| ピン 133 | ADDR0 — External address bus bit 0 |
| ピン 134 | ADDR1 — External address bus bit 1 |
| ピン 135 | ADDR2 — External address bus bit 2 |
| ピン 136 | VSS3 — Ground reference 3 |
| ピン 137 | VDD1 — Digital supply voltage 1 |
| ピン 138 | ADDR3 — External address bus bit 3 |
| ピン 139 | ADDR4 — External address bus bit 4 |
| ピン 140 | ADDR5 — External address bus bit 5 |
| ピン 141 | ADDR6 — External address bus bit 6 |
| ピン 142 | ADDR7 — External address bus bit 7 |
| ピン 143 | RE — External read enable |
| ピン 144 | WE — External write enable |
主な用途
S912XEQ512J3CAGR の用途: 6 件s: 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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: S912XEQ512J3CAGR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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) |
主な差別化要因
- Higher flash memory at industrial price point （vs MC9S12XEQ384CAG)
- Industrial temperature variant instead of automotive grade （vs S912XET512J2VAGR)
- XGATE co-processor for deterministic interrupt handling （vs MC9S12XDT512MAA)
設計ノート
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.
コンプライアンス情報
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.