S912XES384J3VAG - 16-Bit HCS12X MCU 384KB Flash | NXP | 144-LQFP
부품 번호: S912XES384J3VAG ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $12.1 | $6,050.00 |
| 1,000 | $10.65 | $10,650.00 |
S912XES384J3VAG 개요
An HCS12X microcontroller is a member of the HCS12 family of 16-bit microcontrollers originally developed by Freescale (now part of NXP Semiconductors). The "X" variant adds an enhanced XGATE coprocessor that accelerates I/O and peripheral handling, offloading interrupt-driven tasks from the main CPU. Within the broader taxonomy, HCS12X MCUs sit between 8-bit HC08/MC9S08 parts and 32-bit Power Architecture / Kinetis devices, targeting cost-sensitive real-time control applications where 16-bit math and deterministic interrupt response are required.
Key features of this device include 384 KB (384K x 8) of Flash program memory, a 50 MHz HCS12X CPU, the XGATE coprocessor, multiple serial communication interfaces (SCI, SPI, I2C), a CAN module, and a 12-bit analog-to-digital converter. The 144-pin LQFP package exposes a large number of general-purpose I/O pins suitable for body, chassis, and industrial controllers that need many simultaneous peripheral connections.
Typical applications include automotive body controllers, instrument clusters, HVAC modules, industrial PLCs, motor control boards, and sensor aggregation nodes. The wide -40 C to +105 C industrial temperature range also makes the part suitable for non-automotive harsh environments.
When designing with this part, confirm that the available S912X development toolchain (CodeWarrior for HCS12X or third-party IDEs) is compatible with the user's host environment, and verify that the 144-LQFP land pattern is consistent with the assembly line's soldering capability. Note that the part is currently distributed primarily through authorized and stocking distributors such as Rochester Electronics.
This page synthesizes distributor pricing, S912X-family drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet, helping engineers evaluate second-source options and board-level integration risk.
드롭인 대체품: S912XES384J3VAG — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: S912XES384J3VAG (동일 폼 팩터 및 풋프린트) — 차이점: Operating Temperature, Package, Flash Memory, Co-processor, Core.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
S912XES384J3CAG
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
S912XEG384J2VAL
✅ 드롭인✓ 재고 있음
$17.8 / 개
데이터시트 보기 →MC9S12XEQ384CAG
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →S9S12XF384J2MLMR
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →S912XES384J3VAG 최대 정격 & 전기적 특성
| Core | HCS12X (16-bit) |
| CPU Speed | 50 MHz |
| Program Memory (Flash) | 384 KB (384K x 8) |
| 패키지 | 144-LQFP (20x20 mm) |
| 핀 수 | 144 |
| Terminal Form | GULL WING |
| Package Code | QFP |
| Package Shape | SQUARE |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40 C to +105 C |
| Temperature Grade | INDUSTRIAL |
| Coprocessor | XGATE |
| Lifecycle Stage | ACTIVE |
| Communication Interfaces | SCI, SPI, I2C, CAN |
| ADC | 12-bit |
S912XES384J3VAG 핀 구성
| 핀 1 | PT0 — General-purpose I/O / PWM channel |
| 핀 20 | VDDR — Voltage regulator supply for internal logic |
| 핀 37 | VDD1 — External 5V supply |
| 핀 38 | VSS1 — Ground reference 1 |
| 핀 60 | BKGD — Background Debug Mode pin |
| 핀 80 | VDD2 — External 5V supply |
| 핀 100 | RESET — External reset input, active low |
| 핀 120 | PAD0 — Port AD bit 0 (analog/digital) |
| 핀 144 | XTAL — Oscillator input |
일반적인 애플리케이션
S912XES384J3VAG 적합 용도: 6 애플리케이션s: Automotive Body Control Module, Industrial PLC Logic Controller, HVAC Climate Control Module, Sensor Aggregation / Gateway Node, Instrument Cluster Controller, Low-End Motor Controller.
Automotive Body Control Module
The S912XES384J3VAG's 384 KB Flash and on-chip CAN module suit it for body control ECUs that aggregate door, lighting, and wiper signals. The HCS12X core at 50 MHz plus the XGATE coprocessor handle interrupt-driven body tasks with deterministic latency, while the -40 C to +105 C industrial grade covers under-dash and most under-hood thermal envelopes. A typical placement is between the vehicle CAN bus and the discrete MOSFET/relay drivers, with the XGATE servicing periodic LIN/CAN frames. Compared with a smaller 256 KB S12X part, the extra 128 KB of Flash here supports larger body firmware stacks including bootloader and OBD-II diagnostics.
추천
Industrial PLC Logic Controller
In a small-form-factor industrial PLC, the S912XES384J3VAG supplies 16-bit math and deterministic control on a 50 MHz HCS12X core with 384 KB Flash for ladder logic translation and IEC 61131 runtimes. The 144-LQFP package exposes enough GPIO for digital inputs, PWM outputs, and encoder feedback, while the 12-bit ADC reads analog process variables. The wide -40 C to +105 C range supports cabinet-mounted controllers in non-climate-controlled factories. Compared with an 8-bit MC9S08 alternative, this part offers roughly 8x the Flash and the XGATE engine for offloaded fieldbus servicing.
추천
HVAC Climate Control Module
Climate-control ECUs require a 16-bit controller that can mix analog temperature sensors, PWM fan drivers, and LIN/CAN comms in real time, which is exactly the S912XES384J3VAG's wheelhouse. The 384 KB Flash stores lookup tables for multi-zone climate algorithms, and the XGATE coprocessor keeps blower and stepper motor updates deterministic under heavy interrupt load. Industrial-grade temperature rating supports cabin and under-hood placements. Placed between the CAN bus and the power-driver stage, this MCU adds switching-noise immunity that pure 8-bit parts cannot deliver at the same cost.
추천
Sensor Aggregation / Gateway Node
A sensor gateway that fans out CAN/LIN traffic to multiple S912XES384J3VAG controllers needs 16-bit throughput and at least 384 KB of Flash for protocol translation stacks. The HCS12X core plus XGATE accelerate message parsing while leaving the main CPU free for application logic. Industrial-grade temperature supports factory-floor or vehicle-mounted placements, and the 144-LQFP gives enough I/O for status LEDs, debug UARTs, and spare analog inputs. Compared with an external CAN-expand IC, an integrated HCS12X with CAN reduces BOM and PCB area by roughly 30 percent.
추천
Instrument Cluster Controller
Instrument clusters for two-wheelers and off-highway vehicles balance cost against the need for smooth gauge control, indicator lamps, and a CAN diagnostic link. The S912XES384J3VAG fits with 384 KB Flash for graphics/waveform tables, XGATE offload for indicator PWM, and a 50 MHz core for animation loops. The 144-LQFP package exposes enough pins for stepper gauge drivers and a small TFT or segment LCD bus. Compared with a 32-bit Kinetis alternative, this HCS12X part reduces BOM cost while keeping enough headroom for graphical instrument firmware.
추천
Low-End Motor Controller
Small brushless DC or brushed DC motor controllers fit well into the S912XES384J3VAG. The 384 KB Flash holds commutation tables and PI loop tuning constants, while the XGATE engine services hall-sensor or back-EMF interrupts at the full 50 MHz bus rate. The 12-bit ADC samples phase currents with adequate resolution for torque control below 1 kW, and the 144-LQFP exposes 6 PWM channels plus encoder inputs. Compared with an MC9S08 motor-control part, this S12X adds the Flash and CAN needed for networked motor systems.
추천
추천 제품 요약
엔지니어링 참조 데이터: S912XES384J3VAG — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | S912XES384J3CAG | S912XEG384J2VAL | MC9S12XEQ384CAG | S9S12XF384J2MLMR |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) |
| Core | HCS12X (16-bit) | HCS12X | HCS12X | HCS12X | HCS12X |
| CPU Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash | 384 KB | 384 KB | 384 KB | 384 KB | 384 KB |
| Operating Temperature | -40 C to +105 C | -40 C to +85 C | -40 C to +105 C | -40 C to +85 C | -40 C to +105 C |
| CAN Module | Yes | Yes | Yes | Yes | Yes |
주요 차별점
- Industrial temperature grade at the same Flash as the consumer-rated J2 part (vs S912XES384J2xxx family)
- Larger 384 KB Flash reduces need for external EEPROM (vs MC9S12DT128MPVE)
- On-chip XGATE coprocessor accelerates real-time I/O handling (vs S912XET256J2MAG)
설계 노트
The S912XES384J3VAG requires a stable 5V supply on VDD1/VDD2 with a decoupling network of 100 nF ceramic caps placed within 5 mm of each supply pin and a 10 uF bulk cap near the regulator. Power sequencing is not mandatory, but holding RESET low during VDD ramp avoids spurious Flash writes. For automotive 12V battery rails, add a TVS diode and a 100 nF + 10 uF input filter ahead of the 5V LDO to suppress load-dump transients.
Estimated: at 50 MHz, the S912XES384J3VAG typically dissipates about 0.3-0.4 W under full peripheral load, which a 144-LQFP on a 4-layer FR4 board can handle without a heatsink. Confirm thermal headroom in a sealed enclosure by measuring case temperature after 1 hour of worst-case firmware; junction-to-ambient thermal resistance for a 144-LQFP on 4-layer board is approximately 35 C/W, so the junction rises only 12-15 C above ambient at the rated dissipation.
Place the 144-LQFP land pattern on the top layer with continuous ground pours on layer 2 for thermal spreading. Route BKGD, RESET, and XTAL traces first and keep them short (<= 30 mm), and provide a guard ring around the analog VDD pins to keep digital switching noise out of the ADC reference. Match the CANH/CANL differential trace length to within 1 mm and add a 120 ohm termination resistor at the bus end for clean CAN signaling.
Do not confuse the J3 suffix (industrial temperature) with the J2 suffix (consumer temperature) when ordering substitutes - a J2 part placed in an under-hood design will fail thermal qualifications. Also, verify the Flash security bits before shipping production firmware because once secured, mass erase is the only recovery path and can lock out field returns.
규정 준수 정보
Verified web data does not include RoHS, REACH, AEC-Q100, or halogen-free status for S912XES384J3VAG; confirm with NXP product specifications before volume commitment. AEC-Q100 is not applicable to the industrial-grade J3 ordering suffix.
