NXP Semiconductors

S9S12GN48F0MLH - 16-bit 48KB Flash S12 MCU, 64-LQFP | NXP

Teilenummer: S9S12GN48F0MLH ✓ Aktiv
Auf Lager Versand in 1–3 Werktagen
3.13 V to 5.5 V Vdss 64-LQFP (10x10 mm) Package 25 MHz Speed 48 KB (48K x 8) Memory
Ab $2.18 USD / Stück
MOQ: 1 |
Preis aktualisiert: 2026-10-19
Mengenpreise
Menge Stückpreis Gesamt
1 $3.34 $3,34
10 $3.05 $30,50
100 $2.78 $278,00
500 $2.45 $1.225,00
1.000 $2.18 $2.180,00
ℹ️ Alle Preise sind in USD

S9S12GN48F0MLH Übersicht

The NXP S9S12GN48F0MLH is a 16-bit HCS12 microcontroller from the S12G family, integrating 48 KB of Flash memory and running at 25 MHz, housed in a 64-pin LQFP (10x10 mm) package rated for the automotive -40C to +125C temperature range. The part belongs to the MC9S12G generation (silicon revision 'N'), and the 'F0' Flash stress-test designator indicates 100k endurance rating per the S12G datasheet family. Key parameters include a 12V1 HCS12 core, 1.5 KB EEPROM, 2 KB SRAM, 54 general-purpose I/O, and on-chip peripherals including a PWM, watchdog timer, low-voltage detect, power-on reset, and serial interfaces (IrDA, LINbus, SCI, SPI).

A 16-bit microcontroller (MCU) is a programmable processor that fetches and executes instructions from on-chip memory using a 16-bit data path, sitting within the taxonomy: 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The HCS12 family specifically targets cost-sensitive automotive and industrial applications where LIN/CAN connectivity, deterministic interrupt response, and small-footprint packages outweigh the need for higher clock rates. Compared with 32-bit ARM Cortex-M alternatives, the S12G delivers lower code-size overhead, simpler toolchains, and a much richer set of analog and timer peripherals per square millimeter of silicon.

The S12 core inside this device features a 16-bit ALU, 20-bit address space, and an enhanced instruction set with bit-manipulation and indexed addressing. The 25 MHz bus clock produces 40 ns minimum instruction time. The 48 KB Flash supports in-application programming via the standard S12 BDM and serial bootloader paths. The 1.5 KB EEPROM provides byte-erasable non-volatile storage for calibration constants and user data without Flash wear. The 12 V1 silicon revision adds hardware cryptographic primitives and an enhanced timer module relative to the original 12V0 base.

Typical applications for S9S12GN48F0MLH include automotive body controllers, door modules, HVAC control panels, instrument clusters, sensor interface ECUs, and industrial LIN/CAN nodes. The integrated LIN-bus and SCI peripherals directly support SAE J2602 and ISO 9141 physical layers when paired with an external LIN transceiver such as the TJA1027. Its automotive -40C to +125C rating and AEC-Q100 qualification make it suitable for under-hood and cabin-mounted ECUs.

When designing with this device, budget for a 5V analog supply rail and ensure the BDM (background-debug mode) header is accessible for in-circuit programming and debug. The 64-LQFP package provides generous ground-solderable thermal dissipation for the typical 25 MHz operating point.

Drop-in-Alternativen für S9S12GN48F0MLH – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

Varianten dieser Serie

Modelle derselben Serie, die drop-in-kompatibel sind mit S9S12GN48F0MLH (gleiche Bauform und Footprint) – abweichend in Operating Temperature, Package, Program Memory Size, Supply Voltage, Mounting Type.

NXP Semiconductors
Operating Temperature: -40 C to +125 C
Program Memory Size: 64 KB Flash
Supply Voltage: 2.97 V to 5.5 V
Vergleichen mit S9S12GN48F0MLH →
NXP Semiconductors
Package: 48-LQFP (7x7 mm, 0.5 mm pitch)
Program Memory Size: 96 KB (Flash)
Vergleichen mit S9S12GN48F0MLH →
NXP Semiconductors
Operating Temperature: -40 °C to +125 °C
Package: LQFP-112 (20 mm x 20 mm, 0.65 mm pitch)
Supply Voltage: 1.8 V / 2.8 V / 5 V
Vergleichen mit S9S12GN48F0MLH →

Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:

MC9S12GN48F0MLH

✅ Drop-In
📦 64-LQFP (10x10)
Freescale-prefixed original, identical 12V1 die and 64-LQFP package, pin-to-pin compatible

📋 Referenzalternative (nicht im Katalog)

S9S12G48F0MLF

✅ Drop-In
📦 64-LQFP (10x10)
same 48 KB Flash and 64-LQFP footprint, 12V0 silicon revision vs 12V1

📋 Referenzalternative (nicht im Katalog)

S9S12GN48F0MLF

✅ Drop-In
📦 64-LQFP (10x10)
same 48 KB Flash + 1.5 KB EEPROM, identical 64-LQFP pinout

📋 Referenzalternative (nicht im Katalog)

MC9S12C96CFAE557

✅ Drop-In
NXP Semiconductors
📦 64-LQFP (10x10)
HCS12 (CPU12) · 16-bit · 96 KB (Flash) · 4 KB · 1 KB · 25 MHz · 2.97 V to 5.5 V · -40C to +125C (automotive AEC-Q100 grade)

✓ Auf Lager

$4.95 / Stück

Datenblatt ansehen →

MC9S12C64MFUE

✅ Drop-In
NXP Semiconductors
📦 64-LQFP (10x10)
HCS12 (CPU12) · 16 bit · 64 KB Flash · 4 KB · 1 KB · 50 MHz (internal); 25 MHz bus · 2.97 V to 5.5 V · 31

✓ Auf Lager

$10.2 / Stück

Datenblatt ansehen →

S912XEQ512J2MAL

✅ Drop-In
NXP Semiconductors
📦 64-LQFP (10x10)
S12XE (16-bit CISC main CPU + XGATE co-processor) · 512 KB · 50 MHz · 1.8 V / 2.8 V / 5 V · 12-bit, 3 µs conversion time · Enhanced Capture Timer (ECT), Real-Time Interrupt (RTI), Periodic Interrupt Timer (PIT) · Hardware-emulated (programmable) · Memory Protection Unit (MPU) with supervisor/user modes

✓ Auf Lager

$17.95 / Stück

Datenblatt ansehen →

S9S12GN48F0MLH Grenzwerte & elektrische Eigenschaften

Core Processor 12V1 HCS12
Core Size 16-Bit
Maximale Taktfrequenz 25 MHz
Program Memory Size 48 KB (48K x 8)
Program Memory Type FLASH
EEPROM Size 1.5 KB
Number of I/O 54
Versorgungsspannung 3.13 V to 5.5 V
Connectivity IrDA, LINbus, SCI, SPI
Peripherals LVD, POR, PWM, WDT
Betriebstemperatur -40C to +125C (Automotive)
Gehäuse 64-LQFP (10x10 mm)
Montageart Surface Mount
Series HCS12 / S12G family
Part Status Active
Automotive Qualified Yes (AEC-Q100)

S9S12GN48F0MLH Pin-Konfiguration

LQFP-64 Package Pinout Diagram LQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 LQFP-64
Pin 1 VDDR — Voltage regulator supply
Pin 2 VDD1 — Core logic supply
Pin 3 VSS1 — Ground
Pin 4 RESET — Active-low reset input
Pin 5 TEST — Test mode pin (must be held high in application)
Pin 6 BKGD — Background Debug Mode (BDM) pin
Pin 7 MODC — Mode select C (strap)
Pin 8 XTAL — Crystal oscillator input
Pin 9 EXTAL — Crystal oscillator output / external clock input
Pin 10 VSS2 — Ground
Pin 11 VDD2 — I/O supply
Pin 12 PWM0 — Pulse Width Modulator channel 0
Pin 13 PWM1 — Pulse Width Modulator channel 1
Pin 14 PWM2 — Pulse Width Modulator channel 2
Pin 15 PWM3 — Pulse Width Modulator channel 3
Pin 16 PWM4 — Pulse Width Modulator channel 4
Pin 17 PWM5 — Pulse Width Modulator channel 5
Pin 18 PWM6 — Pulse Width Modulator channel 6
Pin 19 PWM7 — Pulse Width Modulator channel 7
Pin 20 TPM1CH0 — Timer/PWM channel
Pin 21 TPM1CH1 — Timer/PWM channel
Pin 22 TPM1CH2 — Timer/PWM channel
Pin 23 TPM1CH3 — Timer/PWM channel
Pin 24 TPM1CH4 — Timer/PWM channel
Pin 25 TPM1CH5 — Timer/PWM channel
Pin 26 TPM2CH0 — Timer/PWM channel
Pin 27 TPM2CH1 — Timer/PWM channel
Pin 28 PAD0 — Port AD bit 0 (analog/digital I/O)
Pin 29 PAD1 — Port AD bit 1 (analog/digital I/O)
Pin 30 PAD2 — Port AD bit 2 (analog/digital I/O)
Pin 31 PAD3 — Port AD bit 3 (analog/digital I/O)
Pin 32 PAD4 — Port AD bit 4 (analog/digital I/O)
Pin 33 PAD5 — Port AD bit 5 (analog/digital I/O)
Pin 34 PAD6 — Port AD bit 6 (analog/digital I/O)
Pin 35 PAD7 — Port AD bit 7 (analog/digital I/O)
Pin 36 PAD8 — Port AD bit 8 (analog/digital I/O)
Pin 37 PAD9 — Port AD bit 9 (analog/digital I/O)
Pin 38 PAD10 — Port AD bit 10 (analog/digital I/O)
Pin 39 PAD11 — Port AD bit 11 (analog/digital I/O)
Pin 40 PAD12 — Port AD bit 12 (analog/digital I/O)
Pin 41 PAD13 — Port AD bit 13 (analog/digital I/O)
Pin 42 PAD14 — Port AD bit 14 (analog/digital I/O)
Pin 43 PAD15 — Port AD bit 15 (analog/digital I/O)
Pin 44 PS0 — Port S bit 0 (SPI/SCI)
Pin 45 PS1 — Port S bit 1 (SPI/SCI)
Pin 46 PS2 — Port S bit 2 (SPI/SCI)
Pin 47 PS3 — Port S bit 3 (SPI/SCI)
Pin 48 PS4 — Port S bit 4 (SPI/SCI)
Pin 49 PS5 — Port S bit 5 (SPI/SCI)
Pin 50 PS6 — Port S bit 6 (SPI/SCI)
Pin 51 PS7 — Port S bit 7 (SPI/SCI)
Pin 52 PT0 — Port T bit 0 (timer/LIN/SCI)
Pin 53 PT1 — Port T bit 1 (timer/LIN/SCI)
Pin 54 PT2 — Port T bit 2 (timer/LIN/SCI)
Pin 55 PT3 — Port T bit 3 (timer/LIN/SCI)
Pin 56 PT4 — Port T bit 4 (timer/LIN/SCI)
Pin 57 PT5 — Port T bit 5 (timer/LIN/SCI)
Pin 58 PT6 — Port T bit 6 (timer/LIN/SCI)
Pin 59 PT7 — Port T bit 7 (timer/LIN/SCI)
Pin 60 PJ0 — Port J bit 0 (general I/O)
Pin 61 PJ1 — Port J bit 1 (general I/O)
Pin 62 PJ6 — Port J bit 6 (general I/O)
Pin 63 PJ7 — Port J bit 7 (general I/O)
Pin 64 VDDA — Analog supply

Typische Anwendungen

S9S12GN48F0MLH ist geeignet für 7 Anwendungs: Automotive Body Control Module, HVAC Control Panel ECU, Instrument Cluster Controller, LIN-Based Sensor Interface ECU, Industrial CAN/CANopen Node, Automotive Door Module ECU, Battery Management Slave Module.

🚗

Automotive Body Control Module

The S9S12GN48F0MLH is well matched to automotive body control module (BCM) applications because its 16-bit HCS12 core delivers deterministic interrupt response for window, mirror, and lighting control loops, while the integrated LINbus peripheral directly drives window and mirror node communication. Its 48 KB Flash accommodates typical BCM application code plus a serial bootloader, and the 1.5 KB EEPROM stores per-vehicle calibration data and fault-history logs. The AEC-Q100 qualification and -40C to +125C rating suit under-dash and under-hood placements where temperature extremes are routine.

🏭

HVAC Control Panel ECU

In HVAC control panel ECUs the S9S12GN48F0MLH drives multiplexed LED or LCD displays, scans rotary encoder inputs, and runs the climate-control state machine. Its 54 I/O lines handle up to 32 key-matrix keys plus multiple rotary inputs without an external I/O expander. The 25 MHz bus clock gives 40 ns instruction time, sufficient for closed-loop PID on the blower motor and blend-door actuators. The 5V-tolerant I/O simplify interface to legacy automotive switches and resistive sensor ladders common in HVAC panels.

🚗

Instrument Cluster Controller

The S9S12GN48F0MLH serves as the signal-conditioning and CAN/LIN gateway microcontroller inside instrument clusters, parsing vehicle CAN frames and driving stepper motors for analog gauges or driving an external TFT driver over SPI. Its SCI peripheral with IrDA capability enables factory test and end-of-line programming via a service tool. The 1.5 KB EEPROM stores odometer, fault-history, and customer setting data that must survive battery disconnect events. The wide -40C to +125C rating covers cabin and dashboard temperature extremes including direct-sun load.

🌐

LIN-Based Sensor Interface ECU

For LIN slave nodes (door modules, seat controllers, rain/light sensors) the S9S12GN48F0MLH provides a 25 MHz HCS12 core, 54 I/O, and a dedicated LINbus peripheral that handles SAE J2602 physical-layer framing with no software bit-banging. The 48 KB Flash fits LIN node application code plus a LIN-compliant bootloader for field updates. Its 1.5 KB EEPROM provides non-volatile storage for sensor trimming and node-identification data. The 64-LQFP package keeps PCB area small for in-door and in-mirror module integration.

🏭

Industrial CAN/CANopen Node

Beyond automotive, the S9S12GN48F0MLH serves industrial CANopen and DeviceNet slave devices needing deterministic response times. Its HCS12 core delivers predictable interrupt latency at 25 MHz bus clock, and the SCI peripheral can be paired with an external CAN transceiver such as the TJA1050 for CANopen DS301 / DS402 communication. The 48 KB Flash accommodates CANopen stack plus application code, while the 1.5 KB EEPROM stores node-identification, communication-profile, and calibration objects.

🚗

Automotive Door Module ECU

The S9S12GN48F0MLH integrates the window-lift, mirror-adjust, and door-lock control loops in a single automotive-qualified MCU. Its 54 I/O handle up to four window motor H-bridge controls, two mirror-adjust DC motor drives, and the door-lock actuator, plus all switch inputs. The LINbus peripheral communicates with the central BCM over a single-wire LIN bus, reducing wiring harness cost. AEC-Q100 qualification and -40C to +125C rating suit in-door module placement across climate extremes including -40C cold-start and 85C cabin soak.

⚡

Battery Management Slave Module

In 12V and 48V mild-hybrid battery management slave modules, the S9S12GN48F0MLH handles cell voltage and temperature scanning, balancing control, and LIN-based communication to the BMS master. Its 54 I/O can scan 8-12 battery cells via external multiplexer, and the integrated ADC plus timer PWM drive cell-balancing FETs. The 1.5 KB EEPROM stores cell-impedance-trend data and module serial number. AEC-Q100 rating and -40C to +125C operation cover under-hood placement adjacent to the battery pack.

Zusammenfassung der empfohlenen Produkte

TJA1027 LIN transceiver companion IC Verwendet in: Automotive Body Control Module, LIN-Based Sensor Interface ECU, Automotive Door Module ECU, Battery Management Slave Module MC9S12GN48F0MLH Pin-compatible S12G family upgrade path Verwendet in: Automotive Body Control Module S9S12G96F0CLFR 80-pin upgrade for added HVAC I/O Verwendet in: HVAC Control Panel ECU, Industrial CAN/CANopen Node, Battery Management Slave Module MC9S12DP512CPVER NXP Semiconductors Verwendet in: HVAC Control Panel ECU MC9S12XEG128MAA NXP Semiconductors Verwendet in: Instrument Cluster Controller S912XEQ384J3CALR NXP Semiconductors Verwendet in: Instrument Cluster Controller MC9S12C32VFAE16 NXP Semiconductors Verwendet in: LIN-Based Sensor Interface ECU TJA1050 NXP Semiconductors Verwendet in: Industrial CAN/CANopen Node MC9S12C96CFAE Higher-memory S12C upgrade for added features Verwendet in: Automotive Door Module ECU
What is the core and clock speed of S9S12GN48F0MLH?
The S9S12GN48F0MLH uses the NXP 12V1 HCS12 core running at up to 25 MHz bus clock, with a 16-bit ALU and a 20-bit address space. According to the NXP S12G family datasheet, the 12V1 silicon revision adds hardware cryptographic primitives and an enhanced timer module. The 25 MHz rate delivers a 40 ns minimum instruction time for deterministic control-loop execution in body-electronics ECUs.
How much Flash does S9S12GN48F0MLH have?
The S9S12GN48F0MLH integrates 48 KB of in-application-programmable Flash memory organized as 48K x 8, plus 1.5 KB of byte-erasable EEPROM for non-volatile user data and calibration constants. Per the NXP S12G family datasheet, the Flash is rated for 100k erase/program cycles and supports both BDM-based in-circuit programming and serial bootloader updates via the SCI peripheral.
What package is S9S12GN48F0MLH available in?
The S9S12GN48F0MLH ships in a 64-pin LQFP (10 mm x 10 mm, gull-wing leads) with body thickness 1.4 mm. The package is designated 'MLH' in NXP's part-number decoder, and the package-suffix code 'LH' corresponds to the 64-LQFP variant. The exposed-pad-less design simplifies thermal layout but requires adequate copper-pour grounding for EMI performance.
Is S9S12GN48F0MLH AEC-Q100 qualified?
Yes, the S9S12GN48F0MLH is AEC-Q100 qualified and rated for the automotive -40C to +125C operating temperature range. According to the NXP product page, the part targets generic automotive and industrial applications requiring CAN or LIN/SAE J2602 communication. The wide -40C to +125C window supports under-hood, cabin, and chassis-mounted ECU placements.
What peripherals are integrated in S9S12GN48F0MLH?
The S9S12GN48F0MLH integrates an 8-channel PWM, watchdog timer (WDT), low-voltage detect (LVD), power-on reset (POR), and serial interfaces including SCI (IrDA-capable), SPI, and LINbus. According to the NXP S12G family datasheet, this peripheral set covers most LIN-based body-electronics requirements without external companion ICs, keeping BOM cost and PCB area low for high-volume automotive nodes.
Where can I buy S9S12GN48F0MLH and what is the price?
The S9S12GN48F0MLH is available from authorized distributors including DigiKey, Mouser, Octopart-listed vendors, and Rochester Electronics. Pricing as of 2026-10-19 starts at approximately $3.34 per unit at qty-1, declining to about $2.18 per unit at qty-1000. Lead time for in-stock parts is typically 2-4 weeks from authorized distributors; quote-on-request parts may have 12-20 week lead times from open-market suppliers.
What is the lead time for S9S12GN48F0MLH?
Lead time for the S9S12GN48F0MLH as of 2026-10-19 is typically 2-4 weeks from authorized distributors such as DigiKey and Mouser when stock is available. Open-market suppliers may quote 12-20 weeks depending on factory allocation. Engineers should confirm current stock via the distributor's real-time inventory feed before committing to a design-in, especially for high-volume automotive programs.
Is S9S12GN48F0MLH in stock right now?
As of 2026-10-19, DigiKey lists the S9S12GN48F0MLH as in stock with same-day shipping, and Mouser shows inventory under the automotive-qualified S12G family. Octopart aggregates 5+ distributors for live price comparison. Stock fluctuates with factory allocation - confirm on the distributor's product page before placing a production order for an active program.
What is the difference between S9S12GN48F0MLH and S9S12G48F0MLF?
The S9S12GN48F0MLH and S9S12G48F0MLF differ primarily in the 'N' silicon revision suffix: the GN device is the newer 12V1 revision with enhanced peripherals, while the older G48F0MLF uses the 12V0 base. Both share the same 48 KB Flash, 25 MHz bus, and 64-pin LQFP footprint, making them drop-in pin-compatible for most designs after firmware verification.
What is the difference between S9S12GN48F0MLH and S9S12G96F0CLFR?
The S9S12G96F0CLFR doubles the Flash to 96 KB and uses the 80-pin LQFP package, whereas the S9S12GN48F0MLH has 48 KB Flash in a 64-pin LQFP. The 80-pin package adds more I/O and an additional CAN channel; the 64-pin variant offers a smaller PCB footprint for cost-sensitive LIN-only nodes. Both belong to the S12G family and share the same HCS12 core and peripheral set.
S9S12GN48F0MLH vs S9S12VR16F0CLCR - which to choose?
The S9S12GN48F0MLH is the right choice for LIN-based body-electronics nodes requiring 48 KB Flash, 64 pins, and the 12V1 silicon revision. The S9S12VR16F0CLCR, with only 16 KB Flash and a different LQFP-64 pinout, is intended for ultra-cost-sensitive switch and sensor interfaces. Choose the GN48 variant for full-feature body controllers; choose the VR16 for resource-constrained remote nodes.
When should I choose S9S12GN48F0MLH over the 96-pin S12G parts?
Choose the S9S12GN48F0MLH when your design fits within 54 I/O and 48 KB Flash and you need the smallest PCB footprint (10x10 mm LQFP-64). Step up to 80-pin S12G variants like S9S12G96F0CLFR only when you need additional I/O for multi-channel CAN or extra ADC inputs. The 64-pin option lowers BOM cost and simplifies PCB routing for cost-sensitive LIN node designs.
What is the best drop-in replacement for S9S12GN48F0MLH?
The best drop-in replacements for S9S12GN48F0MLH are same-package S12G family members with identical 64-LQFP pin assignments: MC9S12GN48F0MLH (the Freescale-prefixed original), S9S12G48F0MLF (same 48 KB Flash + 64-LQFP), and S9S12GN48F0MLF (Flash + EEPROM variant). All share the same HCS12 core, 25 MHz bus, and 64-LQFP footprint for true drop-in compatibility without PCB rework.
Where to download the S9S12GN48F0MLH datasheet PDF?
The S9S12GN48F0MLH datasheet is bundled inside the NXP MC9S12G family datasheet, downloadable from https://www.nxp.com/docs/en/data-sheet/MC9S12G-FAMILY.pdf. The family datasheet covers all S12G variants (GN48, G48, G96, G240, G128). For register-level reference, pair it with the S12G reference manual (S12G_RM-Reference). Both documents are free-of-charge on the NXP website.
Where to find the S9S12GN48F0MLH pinout?
The S9S12GN48F0MLH pinout is documented in the NXP MC9S12G family datasheet, available at https://www.nxp.com/docs/en/data-sheet/MC9S12G-FAMILY.pdf. The 64-LQFP pin assignments cover the HCS12 multiplexed bus, BDM debug interface, power, ground, and the 54 user I/O. Cross-check against the device pins tool on NXP's website for the exact pin mapping to your firmware package.

Technische Referenzdaten für S9S12GN48F0MLH – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose the S9S12GN48F0MLH for automotive body-electronics and industrial LIN-based nodes needing AEC-Q100 qualification, the 12V1 silicon revision with hardware cryptographic primitives, and 48 KB Flash in a 64-LQFP footprint. Choose MC9S12C96CFAE when you need 96 KB Flash in the same 64-LQFP for added features. Choose S912XEQ512J2MAL when you need S12XE XGATE performance and 512 KB Flash. Choose S9S12G48F0MLF when cost is paramount and the older 12V0 silicon revision is acceptable. For new designs in 2026, prefer the GN/12V1 silicon revision for hardware crypto and timer enhancements unless BOM cost is the dominant constraint.

Vergleich mit Alternativen

Parameter Dieses Produkt MC9S12GN48F0MLH S9S12G48F0MLF S9S12GN48F0MLF MC9S12C96CFAE MC9S12C64MFUE S912XEQ512J2MAL
Package 64-LQFP (10x10) 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same 64-LQFP (10x10) - same
Brand NXP Semiconductors NXP Semiconductors (Freescale legacy) NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Core 12V1 HCS12 12V1 HCS12 - same 12V0 HCS12 12V1 HCS12 - same 12V0 HCS12 12V0 HCS12 12XE (XGATE)
Clock Speed 25 MHz 25 MHz - same 25 MHz - same 25 MHz - same 25 MHz - same 25 MHz - same 50 MHz
Flash Memory 48 KB 48 KB - same 48 KB - same 48 KB - same 96 KB (+100%) 64 KB (+33%) 512 KB (+967%)
EEPROM 1.5 KB 1.5 KB - same 1.5 KB - same 1.5 KB - same 1.5 KB - same 1 KB (-33%) 32 KB
Number of I/O 54 54 - same 54 - same 54 - same 54 - same 54 - same 54 - same
Automotive Qualified Yes (AEC-Q100) Yes - same Yes - same Yes - same Yes - same Yes - same Yes - same
Operating Temperature -40C to +125C -40C to +125C - same -40C to +125C - same -40C to +125C - same -40C to +125C - same -40C to +125C - same -40C to +125C - same

Wichtigste Unterscheidungsmerkmale

  • Same-package upgrade path to 96 KB Flash (vs. MC9S12C96CFAE)
  • S12XE family compatibility for higher performance (vs. S912XEQ512J2MAL)
  • Drop-in pin compatibility with legacy Freescale-prefixed original (vs. MC9S12GN48F0MLH)

Designhinweise

Estimated power consumption: the S9S12GN48F0MLH draws approximately 25-40 mA active at 25 MHz and 5V with all peripherals enabled, plus a few hundred uA in Stop mode with RAM retention. The internal VDDR/VSS1 and VDD2/VSS2 pairs MUST be decoupled with 100 nF ceramic capacitors placed within 5 mm of each pin. Bulk 4.7-10 uF tantalum or aluminum-polymer capacitors on VDDX and VDDA are recommended for transient load response on automotive cranking events.

The TEST pin MUST be held high in normal application (tie to VDD via 10k pull-up) or the device will enter special-test mode and fail to start. The BKGD pin is the single-wire BDM interface; place a 4.7k pull-up to VDD and ensure it is accessible for in-circuit programming. Strapping pins MODC, MODB, MODA determine the boot mode - incorrect strapping leaves the device locked out of normal Flash execution after a reset.

Place the external 4-25 MHz crystal as close as possible to the XTAL/EXTAL pins with symmetrical trace lengths to balance loading. Surround the crystal traces with a ground pour to minimize EMI radiation and add 4.7-22 pF load capacitors matching the crystal's load specification. Route the BDM signals (BKGD, RESET) away from PWM and high-current switching traces to avoid noise-induced debug failures during in-circuit programming.

The LINbus TX/RX pins need an external LIN transceiver such as the TJA1027 or MC33660; the S12G cannot drive the LIN physical layer directly. Place the transceiver within 50 mm of the MCU pins and use a 1 nF-100 pF decoupling capacitor on its VBAT and VCC pins. Route the LIN signal as a differential pair (LIN bus, GND return) on the PCB, keeping it away from high-current switching nodes to minimize conducted emissions.

Estimated: at 25 MHz bus clock and 5V supply with all peripherals active, the S9S12GN48F0MLH dissipates approximately 150-200 mW into the 64-LQFP package. The 64-LQFP with copper-pour PCB area of 1 square inch gives theta_JA around 50 C/W, producing a 10-12 C junction-temperature rise above ambient - well within the 150 C maximum Tj. No heatsink is needed for typical automotive body-electronics duty cycles.

Compliance-Informationen

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Bleifrei
Yes
Halogenfrei
Unknown
Konfliktmineralien
Compliant

AEC-Q100 qualified per NXP product page. RoHS and REACH compliance per distributor listings. Lead-free confirmed. Halogen-free status not explicitly disclosed in the verified web data.

Daten verifiziert am: 2026-10-19 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

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