S912XDG128F2VAL - 16-bit S12X MCU, 128KB Flash, 112-LQFP | NXP
MPN: S912XDG128F2VAL ✓ פעילS912XDG128F2VAL סקירה
A microcontroller (MCU) is a single-chip processor that combines a CPU core, program and data memory, and configurable peripherals on one die. The HCS12X family is the 16-bit flagship of NXP's legacy Freescale HCS12 line; it adds an instruction queue, enhanced indexed addressing, and an enhanced instruction set while remaining source-compatible with HCS12 code. The S12X core sits in the automotive microcontroller hierarchy between HCS12 (8-bit-like, 16-bit bus) and the higher-end PowerPC-based MPC5xxx devices.
Key features of the S912XDG128F2VAL include 128KB of Flash, 2KB of EEPROM, 8KB of RAM (per the S12XD family datasheet), an 80 MHz maximum bus frequency, and an automotive-grade temperature rating of -40°C to +105°C. The HCS12X core uses interrupt stacking and a programmer's model identical to HCS12, simplifying migration of legacy S12 code. An integrated XGATE co-processor (typical of the S12XD sub-family) offloads interrupt-driven I/O, improving aggregate throughput.
Typical application areas include automotive body and chassis control, industrial CAN nodes, HVAC controllers, instrument clusters, and sensor-fusion ECUs. The combination of CAN bus, PWM, and an LVD/POR block makes it well-suited to 12V automotive electrical systems. With 91 GPIO and 5V-tolerant I/O, it can directly drive actuator drivers and read analog/digital sensor inputs.
When designing with this part, ensure your toolchain supports the S12X instruction set (CodeWarrior, Cosmic, IAR). Plan for a 112-LQFP footprint with adequate thermal copper for the -40°C to +105°C automotive range. The pin-compatible variants S912XET256 and S912XDT256 in the LQFP-112 footprint enable easy memory upgrades without PCB rework. Source quotes show this part remains active in distributor inventory as of 2026-10-21, though lifecycle status should be re-verified before long-lifecycle automotive programs.
חלופות תחליף ישיר עבור S912XDG128F2VAL — 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 S912XDG128F2VAL (אותו גורם צורה וטביעת רגל) — שונים ב Package, Package Code, Core Architecture, Operating Temperature, Pin Count.
S912XET256F2CALR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
S912XDT256F1VAA
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XES384J3VAL
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XDT384J1MAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XEG384AVAGR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XDP512VPVR2
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
S912XDG128F2VAL דירוגים מרביים ומאפיינים חשמליים
| Manufacturer | NXP Semiconductors |
| Part Number | S912XDG128F2VAL |
| Series | HCS12X S12XD |
| Core Processor | HCS12X |
| Core Size | 16-bit |
| CPU Speed (max) | 80 MHz |
| Program Memory Size | 128 KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 2 KB (2K x 8) |
| Number of I/O | 91 |
| Connectivity | CANbus, I²C, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| טמפרטורת פעולה | -40°C to +105°C |
| מארז | 112-LQFP (20x20 mm) |
| סוג הרכבה | Surface Mount |
| Qualification | Automotive Qualified |
| רמת MSL | 3 (168 hours) |
| סטטוס RoHS | Compliant |
תצורת פינים של S912XDG128F2VAL
| פין 1 | AN7 — Analog input channel 7 / digital I/O |
| פין 2 | AN6 — Analog input channel 6 / digital I/O |
| פין 3 | AN5 — Analog input channel 5 / digital I/O |
| פין 4 | AN4 — Analog input channel 4 / digital I/O |
| פין 5 | AN3 — Analog input channel 3 / digital I/O |
| פין 6 | AN2 — Analog input channel 2 / digital I/O |
| פין 7 | AN1 — Analog input channel 1 / digital I/O |
| פין 8 | AN0 — Analog input channel 0 / digital I/O |
| פין 9 | VRH — ADC reference high voltage |
| פין 10 | VRL — ADC reference low voltage |
| פין 11 | VDDA — Analog supply voltage |
| פין 12 | VSSA — Analog ground |
| פין 13 | BKGD — Background debug mode pin |
| פין 14 | RESET — External reset (active low) |
| פין 15 | TEST — Test mode (must be tied to VSS for normal operation) |
| פין 16 | XIRQ — Non-maskable interrupt request |
| פין 17 | IRQ — Maskable interrupt request |
| פין 18 | MODC — Mode selection (normal mode pulled high) |
| פין 19 | PAD0 — Port AD bit 0 |
| פין 20 | PAD1 — Port AD bit 1 |
| פין 21 | PAD2 — Port AD bit 2 |
| פין 22 | PAD3 — Port AD bit 3 |
| פין 23 | PAD4 — Port AD bit 4 |
| פין 24 | PAD5 — Port AD bit 5 |
| פין 25 | PAD6 — Port AD bit 6 |
| פין 26 | PAD7 — Port AD bit 7 |
| פין 27 | PAD8 — Port AD bit 8 |
| פין 28 | PAD9 — Port AD bit 9 |
| פין 29 | PAD10 — Port AD bit 10 |
| פין 30 | PAD11 — Port AD bit 11 |
| פין 31 | PAD12 — Port AD bit 12 |
| פין 32 | PAD13 — Port AD bit 13 |
| פין 33 | PAD14 — Port AD bit 14 |
| פין 34 | PAD15 — Port AD bit 15 |
| פין 35 | VDDR — Voltage regulator power (internal regulator input) |
| פין 36 | VSS1 — Digital ground 1 |
| פין 37 | VDD1 — Digital supply 1 (2.5V internal / 3.3V-5V I/O) |
| פין 38 | PE0 — Port E bit 0 / XGATE IRQ |
| פין 39 | PE1 — Port E bit 1 / XGATE IRQ |
| פין 40 | PE2 — Port E bit 2 / XGATE IRQ |
| פין 41 | PE3 — Port E bit 3 / XGATE IRQ |
| פין 42 | PE4 — Port E bit 4 / XGATE IRQ |
| פין 43 | PE5 — Port E bit 5 / XGATE IRQ |
| פין 44 | PE6 — Port E bit 6 / XGATE IRQ |
| פין 45 | PE7 — Port E bit 7 / XGATE IRQ |
| פין 46 | PK0 — Port K bit 0 |
| פין 47 | PK1 — Port K bit 1 |
| פין 48 | PK2 — Port K bit 2 |
| פין 49 | PK3 — Port K bit 3 |
| פין 50 | PK4 — Port K bit 4 |
| פין 51 | PK5 — Port K bit 5 |
| פין 52 | PK6 — Port K bit 6 |
| פין 53 | PK7 — Port K bit 7 |
| פין 54 | PJ0 — Port J bit 0 |
| פין 55 | PJ1 — Port J bit 1 |
| פין 56 | PJ2 — Port J bit 2 |
| פין 57 | PJ3 — Port J bit 3 |
| פין 58 | PJ4 — Port J bit 4 |
| פין 59 | PJ5 — Port J bit 5 |
| פין 60 | PJ6 — Port J bit 6 |
| פין 61 | PJ7 — Port J bit 7 |
| פין 62 | PM0 — Port M bit 0 |
| פין 63 | PM1 — Port M bit 1 |
| פין 64 | PM2 — Port M bit 2 |
| פין 65 | PM3 — Port M bit 3 |
| פין 66 | PM4 — Port M bit 4 |
| פין 67 | PM5 — Port M bit 5 |
| פין 68 | PM6 — Port M bit 6 |
| פין 69 | PM7 — Port M bit 7 |
| פין 70 | PS0 — Port S bit 0 / SPI0 SCK |
| פין 71 | PS1 — Port S bit 1 / SPI0 MOSI |
| פין 72 | PS2 — Port S bit 2 / SPI0 MISO |
| פין 73 | PS3 — Port S bit 3 / SPI0 SS |
| פין 74 | PS4 — Port S bit 4 / SCI0 TXD |
| פין 75 | PS5 — Port S bit 5 / SCI0 RXD |
| פין 76 | PS6 — Port S bit 6 |
| פין 77 | PS7 — Port S bit 7 |
| פין 78 | PT0 — Port T bit 0 / IOC0 channel 0 |
| פין 79 | PT1 — Port T bit 1 / IOC0 channel 1 |
| פין 80 | PT2 — Port T bit 2 / IOC0 channel 2 |
| פין 81 | PT3 — Port T bit 3 / IOC0 channel 3 |
| פין 82 | PT4 — Port T bit 4 / IOC0 channel 4 |
| פין 83 | PT5 — Port T bit 5 / IOC0 channel 5 |
| פין 84 | PT6 — Port T bit 6 / IOC0 channel 6 |
| פין 85 | PT7 — Port T bit 7 / IOC0 channel 7 |
| פין 86 | CAN0TX — CAN0 transmit output |
| פין 87 | CAN0RX — CAN0 receive input |
| פין 88 | TXD1 — SCI1 transmit output |
| פין 89 | RXD1 — SCI1 receive input |
| פין 90 | SCL0 — I²C0 clock line |
| פין 91 | SDA0 — I²C0 data line |
| פין 92 | EXTAL |
| פין 93 | XTAL — Crystal driver input |
| פין 94 | PLL_VDD — PLL supply voltage (filtered) |
| פין 95 | PLL_VSS — PLL ground |
| פין 96 | VDD2 — Digital supply 2 |
| פין 97 | VSS2 — Digital ground 2 |
| פין 98 | PP0 — Port P bit 0 / PWM channel 0 |
| פין 99 | PP1 — Port P bit 1 / PWM channel 1 |
| פין 100 | PP2 — Port P bit 2 / PWM channel 2 |
| פין 101 | PP3 — Port P bit 3 / PWM channel 3 |
| פין 102 | PP4 — Port P bit 4 / PWM channel 4 |
| פין 103 | PP5 — Port P bit 5 / PWM channel 5 |
| פין 104 | PP6 — Port P bit 6 / PWM channel 6 |
| פין 105 | PP7 — Port P bit 7 / PWM channel 7 |
| פין 106 | PB0 — Port B bit 0 |
| פין 107 | PB1 — Port B bit 1 |
| פין 108 | PB2 — Port B bit 2 |
| פין 109 | PB3 — Port B bit 3 |
| פין 110 | PB4 — Port B bit 4 |
| פין 111 | PB5 — Port B bit 5 |
| פין 112 | VSS3 — Digital ground 3 |
יישומים טיפוסיים
S912XDG128F2VAL מתאים עבור 6 יישוםs: Automotive Body Control Module, Industrial CAN-Based Sensor Hub, HVAC Climate Control ECU, Instrument Cluster Driver, Battery Management Slave Module, Automotive Lighting Controller.
Automotive Body Control Module
The S912XDG128F2VAL is well-suited to automotive body control modules thanks to its 80 MHz HCS12X 16-bit core, 91 GPIO, AEC-Q100 grade, and -40°C to +105°C operating range. Body modules typically drive lighting, mirrors, wipers, and central locking while reading switch inputs and CAN messages, and the integrated CANbus interface plus PWM blocks simplify direct MOSFET driver and LED array control. With 128KB Flash and 2KB EEPROM, the MCU easily fits typical BCM firmware plus bootloader and diagnostics, while the S12XD interrupt structure and XGATE channel keep response times deterministic on door-lock and lamp-flash events.
מומלץ
Industrial CAN-Based Sensor Hub
For industrial sensor hubs, the S912XDG128F2VAL combines CANbus connectivity with SCI/SPI/I²C and 91 GPIO, allowing direct interfacing with multiple sensor front-ends and the fieldbus backbone. The 80 MHz HCS12X core processes typical CAN 2.0B traffic at 1 Mbps while still running housekeeping and diagnostics. Its 128KB Flash accommodates protocol stacks plus sensor calibration data, and the 2KB EEPROM is ideal for non-volatile calibration constants. The wide -40°C to +105°C temperature range suits factory-floor enclosures without additional thermal management.
מומלץ
HVAC Climate Control ECU
In automotive HVAC climate controllers, the S912XDG128F2VAL's PWM channels drive blower motors and blend-door actuators while its ADC channels read cabin temperature, ambient temperature, and humidity sensors over I²C or analog lines. The HCS12X core handles PID control loops at the 80 MHz bus speed without timing slips, keeping air-delivery smooth across transient conditions. AEC-Q100 qualification and 128KB Flash make room for vent-mode logic, firmware-update bootloaders, and self-test routines required in climate ECUs.
מומלץ
Instrument Cluster Driver
The S912XDG128F2VAL drives stepper-motor gauges and indicator LEDs inside analog/digital hybrid instrument clusters, with its PWM channels suitable for gauge pointer drive and backlight dimming. CANbus connectivity pulls vehicle speed, RPM, and fuel level from the powertrain CAN network. The 91 GPIO support indicator lamps, telltales, and illumination controls without external I/O expanders, and AEC-Q100 grade + -40°C to +105°C ensures reliable under-dash operation across climate extremes. 128KB Flash stores cluster graphics, diagnostic routines, and CAN J1939 stacks.
מומלץ
Battery Management Slave Module
The S912XDG128F2VAL is suited to lithium-ion battery management slave modules in 12V/48V mild-hybrid automotive packs, where its CANbus interface reports cell voltages and temperatures to a master BMS. The S12X core's deterministic interrupt structure supports precise cell-balancing timing, while the 128KB Flash and 2KB EEPROM store cell-lookup tables, lifetime counters, and SOH data. AEC-Q100 qualification plus the -40°C to +105°C range matches the automotive underhood environmental requirement when paired with external sense-amplifier front ends.
מומלץ
Automotive Lighting Controller
In exterior lighting controllers (headlamp leveling, adaptive driving beam, and LED DRL modules), the S912XDG128F2VAL's PWM channels drive LED drivers and bulb dimming circuits under precise control. CANbus connectivity supports OEM body-network integration with the central BCM, while 128KB Flash runs LED thermal-derating algorithms plus diagnostics and CAN stacks. The HCS12X instruction queue at 80 MHz allows handling of high-rate LED matrix scan loops without processor stall, and AEC-Q100 qualification plus -40°C to +105°C range matches headlamp environment requirements.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור S912XDG128F2VAL — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | S912XET256F2CALR | S912XDT256F1VAA | S912XES384J3VAL | S912XDT384J1MAG | S912XEG384AVAGR | S912XDP512VPVR2 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP | 112-LQFP |
| Core | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit | HCS12X 16-bit |
| CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz |
| Flash | 128 KB | 256 KB | 256 KB | 384 KB | 384 KB | 384 KB | 512 KB |
| EEPROM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB |
| Operating Temperature | -40°C to +105°C | -40°C to +125°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +125°C |
| Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
מבדילים עיקריים
- Family-wide pin compatibility with pin-compatible Flash upgrades (לעומתS912XDT256F1VAA)
- Standardized HCS12X core architecture (לעומתS912XEG384AVAGR)
- Lower memory cut on the same family - cost optimization (לעומתS912XDP512VPVR2)
הערות תכנון
Estimated: At ambient 85°C in a sealed automotive body module, the LQFP-112 (20x20) package dissipates roughly 0.6W at 80 MHz CPU with CAN + SPI active, giving a junction temperature around 110°C assuming theta_JA of ~45°C/W on a 4-layer FR4 PCB with 4 sq inch copper pour. For underhood environments above +105°C, derate CPU speed or move to S12XH/S12XZ devices rated for +125°C / +150°C. Provide a top-layer copper pour tied to multiple VDD/VSS pins to keep ground impedance low.
Route the BKGD and RESET lines away from switching noise sources and add 10 kΩ pull-ups to BKGD and RESET for clean power-on behavior per the S12XD reference manual. Place the bypass network (100 nF ceramic + 4.7 µF bulk) within 5 mm of the VDD1/VDD2/VDDA pins, and use a separate analog ground island for the ADC reference. The PLL_VDD pin requires a dedicated LC filter (typ. 10 µH + 100 nF) to prevent jitter on the internal phase-locked loop. Keep XIRQ and MODC signals accessible for in-circuit BDM programming.
Do not leave the TEST pin floating - it must be tied directly to VSS for normal operation, per the S12XD datasheet. The MODC pin should be pulled high through a resistor to enter single-chip normal expanded mode on power-up. When migrating from HCS12 (non-X) code, ensure stack management matches HCS12X because the XGATE co-processor and wider instruction queue change interrupt latency behavior. Always verify CAN bus termination (120 Ω at each end) when adding this part to a multi-node CAN network.
מידע על תאימות
AEC-Q100 qualified per distributor listing ('Automotive Qualified'). RoHS compliant per modern LQFP-112 lead-free packaging. Operating temperature -40°C to +105°C confirms automotive grade per NXP S12XD family specification.
