S912XDG128F2VAL - 16-bit S12X MCU, 128KB Flash, 112-LQFP | NXP
MPN: S912XDG128F2VAL ✓ AktifS912XDG128F2VAL Ringkasan
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.
Alternatif penggantian untuk S912XDG128F2VAL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian S912XDG128F2VAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Package Code, Core Architecture, Operating Temperature, Pin Count.
S912XET256F2CALR
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XDT256F1VAA
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XES384J3VAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XDT384J1MAG
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XEG384AVAGR
✅ Drop-InKontak untuk harga
Lihat Datasheet →S912XDP512VPVR2
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
S912XDG128F2VAL Rating Maksimal & Karakteristik Listrik
| 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 |
| Suhu Kerja | -40°C to +105°C |
| Paket | 112-LQFP (20x20 mm) |
| Tipe Mounting | Surface Mount |
| Qualification | Automotive Qualified |
| Level MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Konfigurasi Pin S912XDG128F2VAL
| Pin produk 1 | AN7 — Analog input channel 7 / digital I/O |
| Pin produk 2 | AN6 — Analog input channel 6 / digital I/O |
| Pin produk 3 | AN5 — Analog input channel 5 / digital I/O |
| Pin produk 4 | AN4 — Analog input channel 4 / digital I/O |
| Pin produk 5 | AN3 — Analog input channel 3 / digital I/O |
| Pin produk 6 | AN2 — Analog input channel 2 / digital I/O |
| Pin produk 7 | AN1 — Analog input channel 1 / digital I/O |
| Pin produk 8 | AN0 — Analog input channel 0 / digital I/O |
| Pin produk 9 | VRH — ADC reference high voltage |
| Pin produk 10 | VRL — ADC reference low voltage |
| Pin produk 11 | VDDA — Analog supply voltage |
| Pin produk 12 | VSSA — Analog ground |
| Pin produk 13 | BKGD — Background debug mode pin |
| Pin produk 14 | RESET — External reset (active low) |
| Pin produk 15 | TEST — Test mode (must be tied to VSS for normal operation) |
| Pin produk 16 | XIRQ — Non-maskable interrupt request |
| Pin produk 17 | IRQ — Maskable interrupt request |
| Pin produk 18 | MODC — Mode selection (normal mode pulled high) |
| Pin produk 19 | PAD0 — Port AD bit 0 |
| Pin produk 20 | PAD1 — Port AD bit 1 |
| Pin produk 21 | PAD2 — Port AD bit 2 |
| Pin produk 22 | PAD3 — Port AD bit 3 |
| Pin produk 23 | PAD4 — Port AD bit 4 |
| Pin produk 24 | PAD5 — Port AD bit 5 |
| Pin produk 25 | PAD6 — Port AD bit 6 |
| Pin produk 26 | PAD7 — Port AD bit 7 |
| Pin produk 27 | PAD8 — Port AD bit 8 |
| Pin produk 28 | PAD9 — Port AD bit 9 |
| Pin produk 29 | PAD10 — Port AD bit 10 |
| Pin produk 30 | PAD11 — Port AD bit 11 |
| Pin produk 31 | PAD12 — Port AD bit 12 |
| Pin produk 32 | PAD13 — Port AD bit 13 |
| Pin produk 33 | PAD14 — Port AD bit 14 |
| Pin produk 34 | PAD15 — Port AD bit 15 |
| Pin produk 35 | VDDR — Voltage regulator power (internal regulator input) |
| Pin produk 36 | VSS1 — Digital ground 1 |
| Pin produk 37 | VDD1 — Digital supply 1 (2.5V internal / 3.3V-5V I/O) |
| Pin produk 38 | PE0 — Port E bit 0 / XGATE IRQ |
| Pin produk 39 | PE1 — Port E bit 1 / XGATE IRQ |
| Pin produk 40 | PE2 — Port E bit 2 / XGATE IRQ |
| Pin produk 41 | PE3 — Port E bit 3 / XGATE IRQ |
| Pin produk 42 | PE4 — Port E bit 4 / XGATE IRQ |
| Pin produk 43 | PE5 — Port E bit 5 / XGATE IRQ |
| Pin produk 44 | PE6 — Port E bit 6 / XGATE IRQ |
| Pin produk 45 | PE7 — Port E bit 7 / XGATE IRQ |
| Pin produk 46 | PK0 — Port K bit 0 |
| Pin produk 47 | PK1 — Port K bit 1 |
| Pin produk 48 | PK2 — Port K bit 2 |
| Pin produk 49 | PK3 — Port K bit 3 |
| Pin produk 50 | PK4 — Port K bit 4 |
| Pin produk 51 | PK5 — Port K bit 5 |
| Pin produk 52 | PK6 — Port K bit 6 |
| Pin produk 53 | PK7 — Port K bit 7 |
| Pin produk 54 | PJ0 — Port J bit 0 |
| Pin produk 55 | PJ1 — Port J bit 1 |
| Pin produk 56 | PJ2 — Port J bit 2 |
| Pin produk 57 | PJ3 — Port J bit 3 |
| Pin produk 58 | PJ4 — Port J bit 4 |
| Pin produk 59 | PJ5 — Port J bit 5 |
| Pin produk 60 | PJ6 — Port J bit 6 |
| Pin produk 61 | PJ7 — Port J bit 7 |
| Pin produk 62 | PM0 — Port M bit 0 |
| Pin produk 63 | PM1 — Port M bit 1 |
| Pin produk 64 | PM2 — Port M bit 2 |
| Pin produk 65 | PM3 — Port M bit 3 |
| Pin produk 66 | PM4 — Port M bit 4 |
| Pin produk 67 | PM5 — Port M bit 5 |
| Pin produk 68 | PM6 — Port M bit 6 |
| Pin produk 69 | PM7 — Port M bit 7 |
| Pin produk 70 | PS0 — Port S bit 0 / SPI0 SCK |
| Pin produk 71 | PS1 — Port S bit 1 / SPI0 MOSI |
| Pin produk 72 | PS2 — Port S bit 2 / SPI0 MISO |
| Pin produk 73 | PS3 — Port S bit 3 / SPI0 SS |
| Pin produk 74 | PS4 — Port S bit 4 / SCI0 TXD |
| Pin produk 75 | PS5 — Port S bit 5 / SCI0 RXD |
| Pin produk 76 | PS6 — Port S bit 6 |
| Pin produk 77 | PS7 — Port S bit 7 |
| Pin produk 78 | PT0 — Port T bit 0 / IOC0 channel 0 |
| Pin produk 79 | PT1 — Port T bit 1 / IOC0 channel 1 |
| Pin produk 80 | PT2 — Port T bit 2 / IOC0 channel 2 |
| Pin produk 81 | PT3 — Port T bit 3 / IOC0 channel 3 |
| Pin produk 82 | PT4 — Port T bit 4 / IOC0 channel 4 |
| Pin produk 83 | PT5 — Port T bit 5 / IOC0 channel 5 |
| Pin produk 84 | PT6 — Port T bit 6 / IOC0 channel 6 |
| Pin produk 85 | PT7 — Port T bit 7 / IOC0 channel 7 |
| Pin produk 86 | CAN0TX — CAN0 transmit output |
| Pin produk 87 | CAN0RX — CAN0 receive input |
| Pin produk 88 | TXD1 — SCI1 transmit output |
| Pin produk 89 | RXD1 — SCI1 receive input |
| Pin produk 90 | SCL0 — I²C0 clock line |
| Pin produk 91 | SDA0 — I²C0 data line |
| Pin produk 92 | EXTAL |
| Pin produk 93 | XTAL — Crystal driver input |
| Pin produk 94 | PLL_VDD — PLL supply voltage (filtered) |
| Pin produk 95 | PLL_VSS — PLL ground |
| Pin produk 96 | VDD2 — Digital supply 2 |
| Pin produk 97 | VSS2 — Digital ground 2 |
| Pin produk 98 | PP0 — Port P bit 0 / PWM channel 0 |
| Pin produk 99 | PP1 — Port P bit 1 / PWM channel 1 |
| Pin produk 100 | PP2 — Port P bit 2 / PWM channel 2 |
| Pin produk 101 | PP3 — Port P bit 3 / PWM channel 3 |
| Pin produk 102 | PP4 — Port P bit 4 / PWM channel 4 |
| Pin produk 103 | PP5 — Port P bit 5 / PWM channel 5 |
| Pin produk 104 | PP6 — Port P bit 6 / PWM channel 6 |
| Pin produk 105 | PP7 — Port P bit 7 / PWM channel 7 |
| Pin produk 106 | PB0 — Port B bit 0 |
| Pin produk 107 | PB1 — Port B bit 1 |
| Pin produk 108 | PB2 — Port B bit 2 |
| Pin produk 109 | PB3 — Port B bit 3 |
| Pin produk 110 | PB4 — Port B bit 4 |
| Pin produk 111 | PB5 — Port B bit 5 |
| Pin produk 112 | VSS3 — Digital ground 3 |
Aplikasi Umum
S912XDG128F2VAL cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S912XDG128F2VAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Family-wide pin compatibility with pin-compatible Flash upgrades (vsS912XDT256F1VAA)
- Standardized HCS12X core architecture (vsS912XEG384AVAGR)
- Lower memory cut on the same family - cost optimization (vsS912XDP512VPVR2)
Catatan Desain
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.
Informasi Konformitas
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.
