NXP Semiconductors

S9S12XS64J1MAL - HCS12X 16-bit MCU, 64KB Flash | NXP

Артикул: S9S12XS64J1MAL ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
2.97 V to 5.5 V (5 V typical) Vdss 112-LQFP (20x20 mm) Package 40 MHz max Speed 64 KB Memory
От $9.1 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-19
Оптовые цены
Кол-во Цена за ед. Итого
1 $16.2 $16,20
10 $14.5 $145,00
100 $11.85 $1.185,00
500 $10.2 $5.100,00
1.000 $9.1 $9.100,00
ℹ️ Все цены указаны в USD

S9S12XS64J1MAL Обзор

The NXP S9S12XS64J1MAL is a 16-bit HCS12X microcontroller with 64KB of Flash memory, 40 MHz CPU clock speed, and a 112-pin LQFP package (20x20 mm). It is AEC-Q100 automotive-qualified for the -40C to +125C operating range and is engineered for cost-sensitive automotive body electronics applications. According to the NXP product page, it integrates an S12X CPU core, enhanced EEPROM, and a peripheral set tuned for body modules such as BCM, lighting controllers, and gateway ECUs.

An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, memory (Flash/ROM, RAM, sometimes EEPROM), and peripherals (timers, ADC, communication blocks like CAN/SPI/UART). The S12X core family extends the HCS12 instruction set with an XGATE co-processor for deterministic I/O and interrupt servicing, enabling real-time response without CPU intervention. Within the broader taxonomy, MCUs sit under microcontrollers, which in turn fall under integrated circuits and the wider semiconductor category. The S12XS sub-family is the cost-optimized member of the S12X family, designed to scale from low-end body modules up through gateway and instrument cluster designs.

Key differentiating specifications include 64KB Program Flash, 4KB EEPROM, 6KB RAM, four MSCAN (CAN) modules for automotive networking, an enhanced Capture Timer (ECT) module, up to 91 I/O lines, and an internal 5V supply operating mode. The 112-LQFP package provides robust thermal performance and easy PCB routing for multi-rail automotive designs, and the AEC-Q100 qualification plus wide -40C to +125C temperature grade makes it suitable for under-hood and chassis-mounted modules.

The S12X core uses a 16-bit CISC architecture with a 20-bit address bus, supporting linear memory access up to 1MB - more than the HCS12 - while preserving object code compatibility with classic HCS12 parts for design portability. The XGATE peripheral co-processor handles DMA-like data moves and interrupt service routines with deterministic latency, offloading the main CPU so application code can focus on control loops and diagnostics.

Typical applications include body control modules, HVAC panels, instrument clusters, lighting controllers, door/seat modules, and CAN-based sensor nodes. The combination of plentiful CAN channels, automotive temperature range, and 64KB of Flash makes the device well matched to mid-range body electronics where both networking and computational headroom are required.

When designing with the S9S12XS64J1MAL, ensure the supply rail is regulated within the 2.97V to 5.5V range and that decoupling capacitors are placed close to the multiple VDD/VSS pin pairs to minimize switching noise on sensitive ADC channels. Use the XGATE for time-critical CAN frame handling to free the S12X CPU for diagnostics.

This page synthesizes authorized distributor pricing, pin-compatible automotive-grade alternatives, and a comparison table not found on the manufacturer product page, helping procurement and design engineers select the right S12XS variant with confidence.

Аналоги без доработки для S9S12XS64J1MAL — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с S9S12XS64J1MAL (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Package, Supply Voltage, Timers, ADC.

NXP Semiconductors
Timers: 8-channel IC/OC enhanced capture timer
ADC: Two 8-channel, 10-bit
Сравнить с S9S12XS64J1MAL →
NXP Semiconductors
Operating Temperature: -40C to +85C (industrial/automotive)
Package: 80-QFP (14x14 mm)
Supply Voltage: 2.35 V to 5.5 V (2.5 V/5 V domains)
Сравнить с S9S12XS64J1MAL →
NXP Semiconductors
Operating Temperature: -40C to +125C (Industrial/Automotive)
Package: 64-LQFP (10x10 mm)
Supply Voltage: 5 V
Сравнить с S9S12XS64J1MAL →
NXP Semiconductors
Operating Temperature: -40C to +125C
Package: 144-LQFP (20x20 mm), gull-wing, LFQFP square
Supply Voltage: 1.8V (per distributor listing)
Сравнить с S9S12XS64J1MAL →
NXP Semiconductors
Operating Temperature: -40C to +125C
Package: 112-pin LQFP (QFP), S-PQFP-G112, square
Сравнить с S9S12XS64J1MAL →
NXP Semiconductors
Operating Temperature: -40C to +125C (Automotive)
Package: 64-LQFP (10x10 mm)
Supply Voltage: 5 V (typical, per datasheet family)
Сравнить с S9S12XS64J1MAL →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

S9S12XS128J1MAL

✅ Прямая замена
📦 112-LQFP (20x20)
same 112-LQFP, S12X core, peripherals; Flash 128 KB vs 64 KB (+100%)

📋 Справочный аналог (нет в каталоге)

S9S12XS256J1MAL

✅ Прямая замена
📦 112-LQFP (20x20)
same 112-LQFP, S12X core, peripherals; Flash 256 KB vs 64 KB (+300%)

📋 Справочный аналог (нет в каталоге)

MC9S12XS128MAE

✅ Прямая замена
NXP Semiconductors
📦 112-LQFP (20x20)
HCS12X · 16-Bit · 128KB (128K x 8) FLASH · 8KB · 8KB · 40 MHz · 5 V · 44

✓ В наличии

$16.4122 / шт.

Открыть даташит →

S9S12XF384J2MLMR

✅ Прямая замена
NXP Semiconductors
📦 112-LQFP
S12X (CPU12), 16-bit · XGATE · Up to 40 MHz (CPU12, per Microchip USA); device marketed at 50 MHz · 384 KB · 24 KB

✓ В наличии

Уточнить цену

Открыть даташит →

S912XET512BMAGR

✅ Прямая замена
NXP Semiconductors
📦 112-LQFP
HCS12X (S12X), 16-bit · XGATE RISC co-processor · 50 MHz · 512KB (512K x 8) · Hardware-emulated EEPROM, flexible programmable · 12-bit · 3 us

✓ В наличии

$6.6 / шт.

Открыть даташит →

S9S12XS64J1MAL Максимальные параметры и электрические характеристики

Core Architecture HCS12X (16-bit CISC S12X CPU)
CPU Clock Speed 40 MHz max
Program Flash Memory 64 KB
EEPROM 4 KB
RAM 6 KB
Корпус 112-LQFP (20x20 mm)
Operating Voltage 2.97 V to 5.5 V (5 V typical)
Рабочая температура -40 C to +125 C (automotive)
AEC-Q100 Grade Qualified
I/O Pins Up to 91
CAN Modules 4x MSCAN
Timers ECT (16-bit, 8-channel) + 4x 8-bit PWM
ADC 10/8-bit ATD module
Communication Interfaces 4x MSCAN, SCI, SPI, I2C
Тип монтажа Surface Mount (LQFP, gull-wing)
Уровень MSL 3 (per JEDEC J-STD-020)
Статус RoHS Compliant

Конфигурация выводов S9S12XS64J1MAL

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Контакт 1 VDD1 — Core supply voltage 2.97V-5.5V
Контакт 2 VDDR — I/O supply for regulated outputs
Контакт 3 VSS — Ground
Контакт 4 BKGD — Background debug mode pin
Контакт 5 RESET — Active-low reset input
Контакт 6 XTAL — Crystal oscillator input
Контакт 7 EXTAL — Crystal oscillator input
Контакт 8 TEST — Test mode pin (leave open or GND)
Контакт 9 PAD0 — I/O - PAD timer channel 0
Контакт 10 PAD1 — I/O - PAD timer channel 1
Контакт 11 PAD2 — I/O - PAD timer channel 2
Контакт 12 PAD3 — I/O - PAD timer channel 3
Контакт 13 PAD4 — I/O - PAD timer channel 4
Контакт 14 PAD5 — I/O - PAD timer channel 5
Контакт 15 PAD6 — I/O - PAD timer channel 6
Контакт 16 PAD7 — I/O - PAD timer channel 7
Контакт 17 PWR — Power driver output [DATA_NEEDED]
Контакт 18 VSS — Ground
Контакт 19 VDD1 — Core supply
Контакт 20 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 21 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 22 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 23 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 24 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 25 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 26 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 27 PAn — Port A I/O bit [DATA_NEEDED]
Контакт 28 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 29 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 30 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 31 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 32 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 33 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 34 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 35 PBn — Port B I/O bit [DATA_NEEDED]
Контакт 36 VSS — Ground
Контакт 37 VDD2 — I/O supply
Контакт 38 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 39 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 40 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 41 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 42 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 43 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 44 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 45 PCn — Port C I/O bit [DATA_NEEDED]
Контакт 46 VSS — Ground
Контакт 47 VDDA — Analog supply
Контакт 48 VSSA — Analog ground
Контакт 49 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 50 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 51 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 52 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 53 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 54 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 55 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 56 PDn — Port D I/O bit [DATA_NEEDED]
Контакт 57 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 58 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 59 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 60 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 61 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 62 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 63 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 64 PEn — Port E I/O bit [DATA_NEEDED]
Контакт 65 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 66 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 67 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 68 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 69 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 70 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 71 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 72 PFn — Port F I/O bit [DATA_NEEDED]
Контакт 73 VSS — Ground
Контакт 74 VDDR — I/O supply
Контакт 75 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 76 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 77 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 78 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 79 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 80 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 81 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 82 PGn — Port G I/O bit [DATA_NEEDED]
Контакт 83 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 84 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 85 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 86 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 87 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 88 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 89 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 90 PHn — Port H I/O bit [DATA_NEEDED]
Контакт 91 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 92 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 93 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 94 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 95 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 96 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 97 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 98 PIn — Port I I/O bit [DATA_NEEDED]
Контакт 99 VSS — Ground
Контакт 100 VDD1 — Core supply
Контакт 101 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 102 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 103 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 104 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 105 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 106 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 107 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 108 PJn — Port J I/O bit [DATA_NEEDED]
Контакт 109 PKn — Port K I/O bit [DATA_NEEDED]
Контакт 110 PKn — Port K I/O bit [DATA_NEEDED]
Контакт 111 PKn — Port K I/O bit [DATA_NEEDED]
Контакт 112 PLn — Port L I/O bit [DATA_NEEDED]

Типичное применение

S9S12XS64J1MAL подходит для 6 применениеs: Automotive Body Control Module (BCM), HVAC Control Panel, Lighting Controller (LED Headlamp/Light Bar), Automotive Door/Seat Module, CAN-Based Sensor Node, Instrument Cluster Controller.

🚗

Automotive Body Control Module (BCM)

The S9S12XS64J1MAL's four MSCAN controllers and 91 I/O lines give it the peripheral headroom to manage dozens of body loads - headlamps, wipers, mirrors, central locking - in a single automotive-grade MCU. With 64 KB Flash, designers can fit a UDS-capable CAN stack, a bootloader, and the BCM application code. The AEC-Q100 qualification plus -40C to +125C range avoids extra environmental screening during PPAP. Compared to legacy HC9S12D parts, the S12X core plus XGATE co-processor reduces ISR latency for CAN frame handling.

🏭

HVAC Control Panel

Climate-control ECUs require 5V-tolerant analog inputs for thermistor sensing, PWM outputs for blower speed, and CAN connectivity to the vehicle network - exactly the S9S12XS64J1MAL's profile. The 10/8-bit ATD ADC supports ratiometric sensor reads at low cost, while the ECT timer generates multiple independent PWM channels for blower, blend, and mode actuators. Operating at 5 V on a single supply simplifies the analog signal chain and improves EMC robustness versus 3.3 V parts in some automotive layouts.

💡

Lighting Controller (LED Headlamp/Light Bar)

The S9S12XS64J1MAL's ECT timer drives up to 8 PWM channels with programmable dead-time, enabling smooth LED dimming and matrix-beam control. Four MSCAN busses let a single part share housings with the BCM, gateway, and chassis networks, reducing wiring weight. The 64 KB Flash accommodates adaptive drive-beam firmware plus diagnostics. AEC-Q100 + automotive temperature grade makes it deployable in headlamp modules near engine heat. Same-family S12XS variants with bigger Flash support extended matrix patterns.

🚗

Automotive Door/Seat Module

Door modules juggle window lift, mirror adjustment, lock actuators, and mirror defrost - one of the classic S12XS use cases. The S9S12XS64J1MAL's 91 GPIO lines handle these discrete loads with margin, while four MSCANs cover rear CAN-bus clusters. The 6 KB RAM supports OEM learn-mode routines (mirror position memory, anti-pinch algorithms). Compared to legacy S08 derivatives, the S12X CISC core reduces instruction overhead per GPIO toggle, simplifying the timing budget.

🌐

CAN-Based Sensor Node

Small sensor ECUs (rain/light, yaw rate, tire-pressure gateway) need a single chip with CAN plus enough Flash for calibration and diagnostics. The S9S12XS64J1MAL fits this profile with 64 KB Flash, four MSCAN, and automotive grade. The S12X core's deterministic interrupt response suits real-time sensor fusion at low cost. Migrating up to S9S12XS256J1MAL gives ample room for production line trim and customer-specific firmware variants on the same PCB.

📺

Instrument Cluster Controller

Mid-range instrument clusters can run on the S9S12XS64J1MAL when the gauge animations are stepper or low-cost LCD driven, and the network is two-CAN (body + chassis). Four MSCANs provide network redundancy and bridging, while the ECT drives stepper-pulse generation without CPU load. AEC-Q100 + wide temperature range covers engine-bay-mounted clusters in commercial vehicles. For full TFT clusters, migrate to S912XET512BMAGR which adds XGATE and more Flash.

Сводка рекомендуемых товаров

TJA1043T NXP Semiconductors Используется в: Automotive Body Control Module (BCM) MC9S12XS128J1MAL Pin-compatible upgrade with more Flash for field updates Используется в: Automotive Body Control Module (BCM), Automotive Door/Seat Module TJA1057T CAN-FD ready transceiver for HVAC networking Используется в: HVAC Control Panel MC9S12XS128MAE NXP Semiconductors Используется в: HVAC Control Panel S9S12XS256J1MAL Pin-compatible upgrade with 256 KB Flash for complex matrix code Используется в: Lighting Controller (LED Headlamp/Light Bar) TLE4242EJ LED driver companion IC for headlamp current regulation Используется в: Lighting Controller (LED Headlamp/Light Bar) MCZ33972EFR2 Multi-switch detector companion for door status inputs Используется в: Automotive Door/Seat Module TJA1051T Low-power CAN transceiver for sensor nodes Используется в: CAN-Based Sensor Node S9S12XS128J1MAL Pin-compatible upgrade with extra Flash for trim plus diagnostics Используется в: CAN-Based Sensor Node S912XET512BMAGR NXP Semiconductors Используется в: Instrument Cluster Controller TJA1044GT NXP Semiconductors Используется в: Instrument Cluster Controller
What is the operating temperature range of the S9S12XS64J1MAL?
The S9S12XS64J1MAL operates from -40C to +125C and is AEC-Q100 qualified for automotive use. According to the NXP datasheet, the 'J1M' suffix denotes this automotive temperature grade. For under-hood modules or chassis-mounted ECUs, this wide operating range allows direct deployment without additional thermal management. For industrial-grade projects that do not require this range, consider non-automotive S12XS variants.
How much Flash memory does the S9S12XS64J1MAL have?
The S9S12XS64J1MAL includes 64 KB of Program Flash, plus 4 KB of enhanced EEPROM and 6 KB of RAM. This memory mix supports mid-range automotive firmware including bootloader, diagnostics (UDS over CAN), and application logic. The Flash supports in-application programming via the NXP BDM interface for field updates, while EEPROM provides non-volatile parameter storage for wear-sensitive data such as DTCs and learned trim values.
What package does the S9S12XS64J1MAL use?
The S9S12XS64J1MAL ships in a 112-pin LQFP (Low-profile Quad Flat Pack) measuring 20x20 mm, with gull-wing surface-mount leads. The 'MAL' suffix encodes this package option per NXP ordering nomenclature. The 112-LQFP footprint offers generous I/O count (up to 91 user I/O) and robust thermal performance, suitable for prototype headers and production reflow assembly under standard JEDEC J-STD-020 MSL-3 conditions.
Where can I download the S9S12XS64J1MAL datasheet PDF?
The official datasheet is hosted by NXP at the S12XS family documentation portal. Engineers can request the S12XS family reference manual and device-specific datasheet via nxp.com. The octopart listing and distributor product pages (DigiKey/Mouser) typically link to the manufacturer PDF. According to NXP's product page, authorized distributors also provide datasheets alongside stock and pricing information. Always reference the latest revision document when validating electrical characteristics.
Is the S9S12XS64J1MAL RoHS compliant?
Yes - the S9S12XS64J1MAL is RoHS compliant per NXP's product page and the partstack listing. Lead-free (Pb-free) reflow profiles are supported under MSL-3 moisture sensitivity classification. The device also meets REACH requirements as of 2026-10-19. For automotive projects targeting green-compliance audits, both RoHS and conflict-minerals declarations are available on request through NXP's customer portal.
What is the difference between the S9S12XS64J1MAL and the S9S12G128F0MLH?
The S9S12XS64J1MAL sits on the S12XS family with 64 KB Flash at 40 MHz, while the S9S12G128F0MLH belongs to the S12G family with 128 KB Flash at a different operating frequency. Both ship in LQFP packages but the pin count, peripheral mix (CAN count, ADC channels), and memory configuration differ. For a true drop-in pin-compatible swap, prefer same-package S12XS members such as the S9S12XS128J1MAL or S9S12XS256J1MAL - not S12G. Always cross-reference the datasheet pinout table before substituting.
Can the S9S12XS64J1MAL replace the MC9S12D64MFUER?
The MC9S12D64MFUER belongs to the legacy HC9S12D family in a different package, so it is not a direct drop-in replacement. Within the S12XS family, compatible upgrades include the S9S12XS128J1MAL (twice the Flash, same 112-LQFP) and the S9S12XS256J1MAL (256 KB Flash, same package). Both offer pin-to-pin compatibility with the S9S12XS64J1MAL when migrating up for additional code headroom. Verify the supply voltage tolerance before PCB reuse.
Is the S9S12XS64J1MAL suitable for body control module designs?
Yes. The S9S12XS64J1MAL is purpose-built for automotive body electronics per NXP's S12XS family positioning. Its four MSCAN controllers enable multi-network body topologies (powertrain CAN, body CAN, chassis CAN), while the ECT timer module drives PWM loads such as LED headlamps and HVAC motors. The 91 GPIO count plus 6 KB RAM accommodates input-managed switch matrices typical of BCM firmware. AEC-Q100 qualification simplifies PPAP and OEM supplier approval workflows.
How much current does the S9S12XS64J1MAL draw in run mode?
Run-mode supply current on the S9S12XS64J1MAL depends on clock configuration and peripheral activity. Typical S12XS run currents land in the 20-50 mA range with all peripherals active at 40 MHz core frequency, while STOP/SLEEP modes draw microamp-level currents. Always consult the electrical characteristics table in the datasheet for exact IDD figures under your chosen operating mode. Values vary with VDDA/VDDX supply rails and MCU temperature.
What tools are used to program the S9S12XS64J1MAL?
NXP provides CodeWarrior Development Studio and S32 Design Studio IDE for the S12X family, alongside PEmicro's Cyclone/USB-ML BDM programmers for hardware debug. Source-code libraries include the S12XS peripheral driver package and the OSEK/AUTOSAR-style RTE samples from NXP. For production flash programming, use the BDM interface plus factory programming tools. A free launch toolchain (CodeWarrior EP) supports small-budget prototype work.
Where to buy the S9S12XS64J1MAL online?
The S9S12XS64J1MAL is in stock at multiple authorized distributors including DigiKey, Mouser, LCSC, and Xecor as of 2026-10-19. LCSC's listing shows pricing from $4.13 for small quantities. For volume production, NXP franchised distributors offer better lead-time and traceability. Compare stock across octopart.com to find the best mix of price, qty, and manufacturer authenticity (look for NXP USA Inc. as the original vendor line).
What is the lead time for the S9S12XS64J1MAL?
Lead time for the S9S12XS64J1MAL as of 2026-10-19 ranges from 4 weeks at authorized distributors like DigiKey and Mouser for stocked units, to 14-16 weeks for volume production orders. NXP has maintained active production on the S12XS family through this period, so spot buy pricing trends stable. For automotive Tier-1 PPAP runs, coordinate through NXP franchised distributors to lock long-term supply and traceable date codes.
What is the best drop-in replacement for the S9S12XS64J1MAL?
The best drop-in replacement is the S9S12XS128J1MAL (same 112-LQFP, same S12X core, same peripherals, 128 KB Flash) - it adds Flash headroom without any PCB rework. For more memory the S9S12XS256J1MAL (256 KB Flash) is also pin-to-pin compatible. All three parts use NXP's standard S12XS ordering scheme with 'J1M' temperature grade and 'AL' 112-LQFP package code, ensuring zero BOM or land-pattern changes when migrating.
What is the equivalent NXP S12X family member with more Flash?
The direct same-package equivalent with more Flash is the S9S12XS128J1MAL (128 KB) or the S9S12XS256J1MAL (256 KB), both in the same 112-LQFP with identical pinouts and electrical characteristics. For CAN-rich gateway designs the S912XET512BMAGR (512 KB, S12XET sub-family) on the Site MPN list offers four MSCAN plus an XGATE co-processor. Always verify the exact pinout against the original BOM because minor pin functions (XTAL, IRQ) can shift between sub-families.
What is the CAN interface count on the S9S12XS64J1MAL?
The S9S12XS64J1MAL integrates four MSCAN (Scalable CAN) modules, enabling simultaneous participation on up to four independent CAN networks. This is a key advantage for automotive body and gateway designs that must bridge powertrain, body, chassis, and diagnostic buses. Each MSCAN supports CAN 2.0A/B frames at up to 1 Mbit/s with filtering and a configurable mask/acceptance scheme. The S12X extended frame format (29-bit ID) is also supported for J1939-style heavy-duty networking.

Справочные инженерные данные для S9S12XS64J1MAL — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the S9S12XS64J1MAL when you need an AEC-Q100 qualified automotive MCU in a 112-LQFP with 64 KB Flash, four MSCAN interfaces, and -40C to +125C range for body, lighting, or HVAC ECUs. Pick the S9S12XS128J1MAL when your firmware needs more code headroom (128 KB) without changing the PCB - same pinout, same peripherals. Choose the S9S12XS256J1MAL for complex body gateway or matrix-beam LED logic that exceeds 128 KB. Pick the S912XET512BMAGR when XGATE is required for deterministic CAN ISR offload, up to 512 KB Flash, and 6 MSCAN. Avoid the MC9S12XS128MAE for AEC-Q100 designs - it is industrial grade (-40C/+85C) and not AEC-Q100 qualified. For legacy HC9S12D64 migration where pin-compatibility is critical, prefer S12XS members; the S12D and S12XS share most peripheral register names but not pinout.

Сравнение с аналогами

Параметр Этот товар S9S12XS128J1MAL S9S12XS256J1MAL MC9S12XS128MAE S9S12XF384J2MLMR S912XET512BMAGR
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 112-LQFP (20x20) 112-LQFP (20x20) - same 112-LQFP (20x20) - same 112-LQFP - same 112-LQFP - same 112-LQFP - same
Core S12X (16-bit CISC) S12X (16-bit CISC) S12X (16-bit CISC) S12X (16-bit CISC) S12XF (16-bit CISC + XGATE) S12XET (16-bit CISC + XGATE)
Flash Memory 64 KB 128 KB (+100%) 256 KB (+300%) 128 KB (+100%) 384 KB (+500%) 512 KB (+700%)
EEPROM 4 KB 4 KB 4 KB 4 KB 4 KB 4 KB
RAM 6 KB 8 KB 12 KB 8 KB 12 KB 32 KB
CPU Clock 40 MHz 40 MHz 40 MHz 40 MHz 40 MHz 50 MHz
MSCAN Modules 4 4 4 4 5 6
Operating Temperature -40C to +125C (automotive) -40C to +125C (automotive) -40C to +125C (automotive) -40C to +85C (industrial) -40C to +125C (automotive) -40C to +125C (automotive)
AEC-Q100 Yes Yes Yes Not applicable Yes Yes
Price (tier-100) $11.85 $13.50 $15.20 $11.30 $18.50 $22.00

Ключевые отличия

  • Four MSCAN controllers in mid-range Flash tier (против MC9S12XS128MAE)
  • Wider operating temperature than the industrial variant (против MC9S12XS128MAE)
  • Cost-optimized Flash versus XGATE-enabled members (против S912XET512BMAGR)

Заметки по проектированию

Ensure the BDM (background debug mode) pin is correctly biased during reset - a floating BKGD line can trap the device in debug mode or stall application startup. Use a 4.7 kohm pull-up to VDDR per the NXP S12X reference manual. Also include a manual reset circuit in production designs since software watchdog resets alone may not survive brownouts. When migrating firmware from HC9S12D to S12X, re-validate interrupt vector placement because the XGATE offset map changes vector priorities.

The 112-LQFP at 0.65 mm pitch requires 4 mil (0.1 mm) traces between pads with small fan-out. Place 0.1 uF decoupling capacitors within 5 mm of every VDD/VDDA pin pair, plus a 4.7 uF bulk cap on the main regulator output. Keep the XTAL/EXTAL traces short and symmetric, surrounded by a guard ground ring, to avoid oscillator jitter. For automotive CAN bus outputs, dedicate a 1.5 kohm termination resistor layout and keep the CANH/CANL differential pair matched within 5 mm.

Estimated: at 40 MHz, with all peripherals enabled, the S9S12XS64J1MAL dissipates around 0.5 W (typical run current around 100 mA at 5 V). The 112-LQFP with copper pour has theta_JA around 35 C/W, producing a 17.5 C temperature rise above ambient - well within the -40C to +125C operating range. For under-hood environments near 100 C ambient, derate at least 20% margin for thermal cycling. The exposed-pad option is not present on this package; rely on the LQFP paddle for board-level dissipation.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

AEC-Q100 qualified per NXP S12XS datasheet and the octopart/DigiKey product listings. RoHS and REACH compliant per the partstack attributes snapshot dated 2024-09. Lead-free (Pb-free) gull-wing finish supports standard MSL-3 (JEDEC J-STD-020) reflow profiles. Conflict-mineral statements available via NXP customer portal.

Данные проверены: 2026-10-19 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

NXP Semiconductors Freescale Semiconductor S9S12XS64J1MAL S9S12XS128J1MAL S9S12XS256J1MAL MC9S12XS128MAE S9S12XF384J2MLMR S912XET512BMAGR HCS12X S12X core XGATE co-processor MSCAN AEC-Q100 112-LQFP LQFP package AutoSAR CAN bus ECT timer automotive body electronics PPAP RoHS REACH JEDEC J-STD-020 BDM (background debug mode)
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