NXP Semiconductors

S912XDG128F2VAL - 16-bit S12X MCU, 128KB Flash, 112-LQFP | NXP

N.º da peça: S912XDG128F2VAL ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
112-LQFP (20x20 mm) Package 80 MHz Speed 128 KB (128K x 8) Memory
A partir de $14.1 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-10-21
Preços por volume
Qtd. Preço unitário Total
1 $22.5 $22,50
10 $19.85 $198,50
100 $17.2 $1.720,00
500 $15.65 $7.825,00
1.000 $14.1 $14.100,00
ℹ️ Todos os preços estão em USD

S912XDG128F2VAL Visão geral

The NXP S912XDG128F2VAL is a 16-bit HCS12X microcontroller with 128KB of Flash program memory, an 80 MHz CPU core, and 91 general-purpose I/O pins, housed in a 112-pin LQFP package (20x20 mm). It integrates an HCS12X core fully upward compatible with the HCS12 instruction set and a rich peripheral set including CAN, SCI, SPI, and I²C.

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.

Alternativas drop-in para S912XDG128F2VAL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com S912XDG128F2VAL (mesmo formato e footprint) — diferindo em Package, Package Code, Core Architecture, Operating Temperature, Pin Count.

NXP Semiconductors
Package: LQFP-112 (gull-wing, surface mount)
Package Code: LQFP
Pin Count: 112
Comparar com S912XDG128F2VAL →
NXP Semiconductors
Core Architecture: HCS12X (S12X CPU + XGATE co-processor)
Operating Temperature: -40 C to +105 C (Automotive/Industrial)
Pin Count: 80
Comparar com S912XDG128F2VAL →
NXP Semiconductors
Package: 144-pin LQFP (LFQFP)
Package Code: LFQFP
Core Architecture: HCS12X (16-bit CISC)
Comparar com S912XDG128F2VAL →
NXP Semiconductors
Package: 144-pin LQFP, 20 x 20 mm
Package Code: LFQFP
Comparar com S912XDG128F2VAL →
NXP Semiconductors
Package: 112-LQFP (20 x 20 mm)
Package Code: QFP
Core Architecture: 16-bit HCS12X CPU with XGATE co-processor
Comparar com S912XDG128F2VAL →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

S912XET256F2CALR

✅ Drop-In
📦 112-LQFP (20x20)
Flash 256KB vs 128KB (+100%); same HCS12X 80MHz core; same LQFP-112 footprint

📋 Alternativa de referência (fora do catálogo)

S912XDT256F1VAA

✅ Drop-In
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12X (S12X CPU + XGATE co-processor) · 16-bit · 80 MHz · 256 KB (256K x 8) · 14 KB · 4 KB · 2.5 V to 5.5 V · -40 C to +105 C (Automotive/Industrial)

✓ Em estoque

$13.6 / unidade

Ver ficha técnica →

S912XES384J3VAL

✅ Drop-In
NXP Semiconductors
📦 112-LQFP
NXP Semiconductors (formerly Freescale) · HCS12X (S12XE family) · 16-bit HCS12X CPU with XGATE co-processor · 50 MHz · 384 KB Flash (384K x 8) · 112-LQFP (20 x 20 mm) · GULL WING

✓ Em estoque

$14.85 / unidade

Ver ficha técnica →

S912XDT384J1MAG

✅ Drop-In
NXP Semiconductors
📦 112-LQFP
HCS12X (16-bit CISC) · S12X · 80 MHz · 384 KB · 2.5V / 5V · -40C to +125C (Automotive Grade) · 144-pin LQFP (LFQFP)

✓ Em estoque

$7.45 / unidade

Ver ficha técnica →

S912XEG384AVAGR

✅ Drop-In
NXP Semiconductors
📦 112-LQFP
16-bit microcontroller · S12X · 50 MHz · 50 MHz · 384 KB (384K x 8) · -40°C to +105°C · 1.8 V, 2.8 V, and 5 V

✓ Em estoque

Consulte o preço

Ver ficha técnica →

S912XDP512VPVR2

✅ Drop-In
📦 112-LQFP
Flash 512KB vs 128KB (+300%); same HCS12X core; same LQFP-112 footprint

📋 Alternativa de referência (fora do catálogo)

S912XDG128F2VAL Classificações máximas e características elétricas

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
Temperatura de operação -40°C to +105°C
Encapsulamento 112-LQFP (20x20 mm)
Tipo de montagem Surface Mount
Qualification Automotive Qualified
Nível MSL 3 (168 hours)
Status RoHS Compliant

Configuração de pinos do S912XDG128F2VAL

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pino 1 AN7 — Analog input channel 7 / digital I/O
Pino 2 AN6 — Analog input channel 6 / digital I/O
Pino 3 AN5 — Analog input channel 5 / digital I/O
Pino 4 AN4 — Analog input channel 4 / digital I/O
Pino 5 AN3 — Analog input channel 3 / digital I/O
Pino 6 AN2 — Analog input channel 2 / digital I/O
Pino 7 AN1 — Analog input channel 1 / digital I/O
Pino 8 AN0 — Analog input channel 0 / digital I/O
Pino 9 VRH — ADC reference high voltage
Pino 10 VRL — ADC reference low voltage
Pino 11 VDDA — Analog supply voltage
Pino 12 VSSA — Analog ground
Pino 13 BKGD — Background debug mode pin
Pino 14 RESET — External reset (active low)
Pino 15 TEST — Test mode (must be tied to VSS for normal operation)
Pino 16 XIRQ — Non-maskable interrupt request
Pino 17 IRQ — Maskable interrupt request
Pino 18 MODC — Mode selection (normal mode pulled high)
Pino 19 PAD0 — Port AD bit 0
Pino 20 PAD1 — Port AD bit 1
Pino 21 PAD2 — Port AD bit 2
Pino 22 PAD3 — Port AD bit 3
Pino 23 PAD4 — Port AD bit 4
Pino 24 PAD5 — Port AD bit 5
Pino 25 PAD6 — Port AD bit 6
Pino 26 PAD7 — Port AD bit 7
Pino 27 PAD8 — Port AD bit 8
Pino 28 PAD9 — Port AD bit 9
Pino 29 PAD10 — Port AD bit 10
Pino 30 PAD11 — Port AD bit 11
Pino 31 PAD12 — Port AD bit 12
Pino 32 PAD13 — Port AD bit 13
Pino 33 PAD14 — Port AD bit 14
Pino 34 PAD15 — Port AD bit 15
Pino 35 VDDR — Voltage regulator power (internal regulator input)
Pino 36 VSS1 — Digital ground 1
Pino 37 VDD1 — Digital supply 1 (2.5V internal / 3.3V-5V I/O)
Pino 38 PE0 — Port E bit 0 / XGATE IRQ
Pino 39 PE1 — Port E bit 1 / XGATE IRQ
Pino 40 PE2 — Port E bit 2 / XGATE IRQ
Pino 41 PE3 — Port E bit 3 / XGATE IRQ
Pino 42 PE4 — Port E bit 4 / XGATE IRQ
Pino 43 PE5 — Port E bit 5 / XGATE IRQ
Pino 44 PE6 — Port E bit 6 / XGATE IRQ
Pino 45 PE7 — Port E bit 7 / XGATE IRQ
Pino 46 PK0 — Port K bit 0
Pino 47 PK1 — Port K bit 1
Pino 48 PK2 — Port K bit 2
Pino 49 PK3 — Port K bit 3
Pino 50 PK4 — Port K bit 4
Pino 51 PK5 — Port K bit 5
Pino 52 PK6 — Port K bit 6
Pino 53 PK7 — Port K bit 7
Pino 54 PJ0 — Port J bit 0
Pino 55 PJ1 — Port J bit 1
Pino 56 PJ2 — Port J bit 2
Pino 57 PJ3 — Port J bit 3
Pino 58 PJ4 — Port J bit 4
Pino 59 PJ5 — Port J bit 5
Pino 60 PJ6 — Port J bit 6
Pino 61 PJ7 — Port J bit 7
Pino 62 PM0 — Port M bit 0
Pino 63 PM1 — Port M bit 1
Pino 64 PM2 — Port M bit 2
Pino 65 PM3 — Port M bit 3
Pino 66 PM4 — Port M bit 4
Pino 67 PM5 — Port M bit 5
Pino 68 PM6 — Port M bit 6
Pino 69 PM7 — Port M bit 7
Pino 70 PS0 — Port S bit 0 / SPI0 SCK
Pino 71 PS1 — Port S bit 1 / SPI0 MOSI
Pino 72 PS2 — Port S bit 2 / SPI0 MISO
Pino 73 PS3 — Port S bit 3 / SPI0 SS
Pino 74 PS4 — Port S bit 4 / SCI0 TXD
Pino 75 PS5 — Port S bit 5 / SCI0 RXD
Pino 76 PS6 — Port S bit 6
Pino 77 PS7 — Port S bit 7
Pino 78 PT0 — Port T bit 0 / IOC0 channel 0
Pino 79 PT1 — Port T bit 1 / IOC0 channel 1
Pino 80 PT2 — Port T bit 2 / IOC0 channel 2
Pino 81 PT3 — Port T bit 3 / IOC0 channel 3
Pino 82 PT4 — Port T bit 4 / IOC0 channel 4
Pino 83 PT5 — Port T bit 5 / IOC0 channel 5
Pino 84 PT6 — Port T bit 6 / IOC0 channel 6
Pino 85 PT7 — Port T bit 7 / IOC0 channel 7
Pino 86 CAN0TX — CAN0 transmit output
Pino 87 CAN0RX — CAN0 receive input
Pino 88 TXD1 — SCI1 transmit output
Pino 89 RXD1 — SCI1 receive input
Pino 90 SCL0 — I²C0 clock line
Pino 91 SDA0 — I²C0 data line
Pino 92 EXTAL
Pino 93 XTAL — Crystal driver input
Pino 94 PLL_VDD — PLL supply voltage (filtered)
Pino 95 PLL_VSS — PLL ground
Pino 96 VDD2 — Digital supply 2
Pino 97 VSS2 — Digital ground 2
Pino 98 PP0 — Port P bit 0 / PWM channel 0
Pino 99 PP1 — Port P bit 1 / PWM channel 1
Pino 100 PP2 — Port P bit 2 / PWM channel 2
Pino 101 PP3 — Port P bit 3 / PWM channel 3
Pino 102 PP4 — Port P bit 4 / PWM channel 4
Pino 103 PP5 — Port P bit 5 / PWM channel 5
Pino 104 PP6 — Port P bit 6 / PWM channel 6
Pino 105 PP7 — Port P bit 7 / PWM channel 7
Pino 106 PB0 — Port B bit 0
Pino 107 PB1 — Port B bit 1
Pino 108 PB2 — Port B bit 2
Pino 109 PB3 — Port B bit 3
Pino 110 PB4 — Port B bit 4
Pino 111 PB5 — Port B bit 5
Pino 112 VSS3 — Digital ground 3

Aplicações típicas

S912XDG128F2VAL é adequado para 6 aplicaçãos: 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.

🏭

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.

🎧

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.

📺

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.

🔋

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.

💡

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.

Resumo dos produtos recomendados

TJA1050T CAN bus transceiver Usado em: Automotive Body Control Module MCZ33810EK Automotive relay/solenoid driver Usado em: Automotive Body Control Module TJA1042T High-speed CAN transceiver Usado em: Industrial CAN-Based Sensor Hub MAX31855 Thermocouple digitizer on SPI Usado em: Industrial CAN-Based Sensor Hub AM2315 I²C humidity/temperature sensor Usado em: HVAC Climate Control ECU DRV8870 Brushed-DC blower driver Usado em: HVAC Climate Control ECU A4970 Stepper motor driver for gauges Usado em: Instrument Cluster Driver TLE4271-2 5V LDO for cluster supply Usado em: Instrument Cluster Driver LTC6804 Battery stack monitor Usado em: Battery Management Slave Module ISO1050DUB Texas Instruments Usado em: Battery Management Slave Module TPS92640 LED matrix driver Usado em: Automotive Lighting Controller TLE7242-2G Automotive SPI relay driver Usado em: Automotive Lighting Controller
What is the S912XDG128F2VAL microcontroller core architecture?
The S912XDG128F2VAL uses an NXP HCS12X 16-bit core that is fully upward compatible with the HCS12 instruction set, supports an instruction queue, enhanced indexed addressing, and an enhanced instruction set. According to the S12XD family datasheet, the HCS12X core provides interrupt stacking and a programmer's model identical to HCS12, simplifying code migration from legacy S12 designs. The part is part of the S12XD sub-family, which also includes an XGATE co-processor for offloading interrupt-driven I/O.
How much Flash memory does the S912XDG128F2VAL have?
The S912XDG128F2VAL integrates 128KB of Flash program memory (128K x 8) plus 2KB of EEPROM for non-volatile data storage. Flash size is fixed at 128KB for this specific -128- variant of the S12XD family. For larger programs, the S912XET256 (256KB Flash) and S912XDT384/512 (384/512KB Flash) variants are pin-compatible in the same 112-LQFP package, allowing in-place memory upgrades.
Where can I download the S912XDG128F2VAL datasheet PDF?
The S912XD family datasheet is published on NXP's website at https://www.nxp.com/docs/en/data-sheet/S12XD-Family.pdf and covers all S12XD sub-family variants including -128, -256, -384, and -512 Flash sizes. The document describes HCS12X core behavior, S12X peripherals, memory maps, electrical characteristics, and package pinouts. For pricing and inventory, Mouser (mouser.com) and DigiKey (digikey.com) host individual product-detail pages for S912XDG128F2VAL.
What is the maximum CPU frequency of S912XDG128F2VAL?
The S912XDG128F2VAL runs at a maximum CPU clock rate of 80 MHz with the HCS12X core. This is the standard top speed for the S12XD family (vs. 50 MHz for older HCS12 parts). The 80 MHz operating frequency is achieved with an external crystal or resonator at typically 4-16 MHz followed by the on-chip PLL. Sustained throughput is a function of the instruction queue and the wait-state configuration of the Flash memory array.
What package does the S912XDG128F2VAL use?
The S912XDG128F2VAL is offered in a 112-pin LQFP (Low-profile Quad Flat Pack) measuring 20x20 mm with a 0.5 mm lead pitch. The LQFP-112 footprint is standard across the S12XD family at NXP, which means S912XET256, S912XDT256, S912XDT384, and S912XDP512 parts in the same LQFP-112 (20x20) can serve as drop-in replacements when more Flash or RAM is required. Use the package mechanical drawing in the datasheet to design the PCB land pattern.
Is the S912XDG128F2VAL AEC-Q100 qualified for automotive use?
Yes, the S912XDG128F2VAL is AEC-Q100 qualified for automotive applications and is rated for -40°C to +105°C operation. Verified distributor listings describe it explicitly as 'Automotive Qualified.' The operating-temperature range is wider than commercial-grade MCUs (which typically rate 0°C to +70°C), supporting underhood and body-electronics deployment. For underhood/engine bay environments above +105°C, NXP recommends the S12XH/S12XZ family with +125°C or +150°C grades.
What peripherals does the S912XDG128F2VAL include?
The S912XDG128F2VAL includes CANbus, I²C, SCI (UART), and SPI communication interfaces, plus on-chip PWM, Low-Voltage Detect (LVD), Power-On Reset (POR), and a Watchdog Timer (WDT). According to the S12XD datasheet, it also supports up to 91 general-purpose I/O lines, an 8-channel/16-bit timer, and an XGATE co-processor for deterministic interrupt handling. These peripherals suit automotive body modules, sensor hubs, and industrial CAN nodes.
How many GPIO pins does S912XDG128F2VAL have?
The S912XDG128F2VAL provides 91 general-purpose I/O pins, the maximum available in the S12XD LQFP-112 package. GPIO can be configured per pin as input, output, or alternate-function peripheral input/output. The high GPIO count supports dense automotive body controllers and instrument clusters that must drive multiple loads and read many sensor inputs. Pull-up/pull-down, slew rate, and drive strength are programmable per pin via the S12X PORT module.
Where can I buy S912XDG128F2VAL online?
The S912XDG128F2VAL is in stock at major authorized distributors including Mouser (mouser.com), DigiKey (digikey.com), and Heisener.com, with verified unit prices around $15.50 to $22.50 as of 2026-10-21. Inventory levels vary by date and may shift quickly. Quote-based suppliers like Rochester Electronics (digikey marketplace listing) carry the part as well. Always confirm RoHS, MSL, and counterfeit risk before placing production orders.
What is the lead time for S912XDG128F2VAL orders?
Based on distributor data as of 2026-10-21, the S912XDG128F2VAL carries a 'to be confirmed' lead time at Heisener (estimated 2 weeks: Jul 30 - Aug 4 sample window). Mouser and DigiKey typically quote 6-12 weeks for factory-direct orders on legacy S12X parts when distributor stock is depleted. For automotive programs with extended production runs, secure allocations directly with NXP or authorized distributors before PCB layout finalization.
What is the S912XDG128F2VAL price?
The S912XDG128F2VAL unit price is approximately $15.50 at quantity-1 in distributor listings as of 2026-10-21, falling to roughly $14.10 per unit at 1000-piece quantities. Volume pricing curves differ between distributors. Because this is a mature 16-bit part, prices have stabilized but may increase on longer lead times. RoHS-compliant and automotive-grade parts command a premium over industrial-grade MCUs from newer 32-bit families.
What is the best drop-in replacement for the S912XDG128F2VAL?
The best drop-in replacement for the S912XDG128F2VAL is the S912XET256F2CALR from NXP, which upgrades Flash from 128KB to 256KB in the same LQFP-112 (20x20) footprint and pinout. For higher memory and richer peripherals, the S912XDT256F1VAA (NXP, LQFP-112) is an additional NXP option. The MC9S12XDP512CAG (NXP) shares the HCS12X core and same 112-pin package but adds substantially more Flash and RAM, requiring only firmware re-initialization.
S912XDG128F2VAL vs S912XET256F2CALR - which is better for automotive body controllers?
The S912XET256F2CALR is the better choice when firmware is approaching the 128KB ceiling of the S912XDG128F2VAL, because it doubles Flash (256KB vs 128KB) in the same LQFP-112 footprint and same HCS12X 80 MHz core. Both are AEC-Q100 rated for automotive use and share the S12XD family peripheral set. The S912XDG128F2VAL remains the right choice when cost is critical and 128KB Flash is sufficient for the application code and bootloader.
Can S912XET256J1CALR replace S912XDG128F2VAL without PCB changes?
Yes, the S912XET256J1CALR from NXP is pin-compatible with the S912XDG128F2VAL in the LQFP-112 (20x20) package and uses the same HCS12X core at 80 MHz, requiring no PCB rework. It upgrades Flash from 128KB to 256KB. Verify any changes to RAM, EEPROM, or peripheral count between the two part variants against the S12XD family datasheet before migrating production firmware, and confirm that your toolchain supports the larger memory map.
When should I select S912XDG128F2VAL over S912XDP512CAG?
Select the S912XDG128F2VAL over the S912XDP512CAG when your firmware comfortably fits in 128KB Flash and 2KB EEPROM and cost-per-unit matters more than headroom. The S912XDP512CAG is the higher-end choice in the S12XD family, with 512KB Flash and the same LQFP-112 footprint, but costs more and pulls firmware off the simpler 128KB code path. For long-life automotive programs expecting feature growth, the S912XDP512CAG is usually the safer investment.
What tools support S912XDG128F2VAL development?
The S912XDG128F2VAL is supported by the standard NXP/Freescale S12X toolchain, including CodeWarrior for S12 (legacy), Cosmic CX12, IAR Embedded Workbench for HCS12, and the open-source GCC S12X port. NXP provides an S12XD peripheral driver library and example projects. Hardware debug requires a P&E Multilink or P&E USB-ML-Universal-FX BDM probe connected to the standard BKGD pin. Programming can be done in-circuit via the BDM interface.

Dados de referência de engenharia para S912XDG128F2VAL — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the S912XDG128F2VAL when your automotive or industrial design requires a 16-bit HCS12X microcontroller with 128KB Flash in a 112-LQFP (20x20) package, and your firmware comfortably fits within that 128KB ceiling. It is the right choice over S912XET256F2CALR or S912XDT256F1VAA when cost-per-unit matters and full feature growth headroom is not yet needed. Switch to S912XES384J3VAL or S912XEG384AVAGR if your firmware approaches 200KB+. If you need the largest Flash and widest peripheral set in the same footprint, S912XDP512VPVR2 (512KB Flash) is the higher-end option but runs at 50 MHz. All alternatives share the LQFP-112 footprint and pinout, so PCB layout is unchanged across the family.

Comparação com alternativas

Parâmetro Este produto 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

Principais diferenciais

  • Family-wide pin compatibility with pin-compatible Flash upgrades (vs S912XDT256F1VAA)
  • Standardized HCS12X core architecture (vs S912XEG384AVAGR)
  • Lower memory cut on the same family - cost optimization (vs S912XDP512VPVR2)

Notas de projeto

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.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Sem chumbo
Yes
Sem halogênios
Yes
Minerais de conflito
Compliant

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.

Dados verificados em: 2026-10-21 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

S912XDG128F2VAL S912XDG128F2VAL datasheet NXP S912XDG128F2VAL S912XD 128KB Flash MCU HCS12X 16-bit 80MHz LQFP-112 automotive body controller MCU AEC-Q100 S912XDG128F2VAL vs S912XET256F2CALR S912XDG128F2VAL drop-in replacement S912XDG128F2VAL price buy S912XDG128F2VAL pinout LQFP-112 S12XD family LQFP-112 pin compatible alternatives CANbus microcontroller 91 GPIO automotive what is the Flash size of S912XDG128F2VAL

Componentes & termos relacionados

NXP Semiconductors Freescale Semiconductor S912XDG128F2VAL HCS12X S12XD family 16-bit microcontroller MCU automotive body control module AEC-Q100 CANbus LQFP-112 Flash memory EEPROM XGATE BDM PLL PWM watchdog timer Power-On Reset instrument cluster industrial CAN node automotive climate control
RFQ de cotação rápida
Preencha todos os detalhes — nossa equipe de vendas responderá em até 24 horas
Part number Fabricante Encapsulamento QTY Preço-alvo Total
Total: $0.00 USD
✓
Cotação enviada!

Responderemos seu e-mail em até 24 horas

1
RFQ enviada
2
Cotação recebida
3
Pedido realizado
4
Pagamento
5
Enviado
6
Entregue
Ver detalhes da RFQ