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NXP Semiconductors S9S12P32J0MLHR
- Part No.:
- S9S12P32J0MLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12P32J0MLHR.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,108
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Product details
Overview
S9S12P32J0MLHR from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 32 KB on-chip Flash memory with ECC, 2 KB SRAM, and integrated CAN 2.0A/B controller. It operates at up to 25 MHz core frequency, supports 5V operation, and includes 8-channel 10-bit ADC, 8-channel PWM, and 16-bit timer module. It is used in automotive body control modules for window lift, seat position, and lighting control.
For engineers reviewing the S9S12P32J0MLHR datasheet, S9S12P32J0MLHR pinout, S9S12P32J0MLHR application, or S9S12P32J0MLHR equivalent, key selection criteria include CAN interface compliance, 5V tolerant I/O, Flash ECC support, BDM debug capability, and qualification for automotive temperature range (−40°C to +125°C).
Technical Context
The S9S12P32J0MLHR implements the CPU12 core with 16-bit data path and 24-bit address bus, executing instructions in single-cycle or multi-cycle modes depending on addressing mode. Its memory subsystem includes banked Flash with programmable wait states and configurable protection blocks.
System-level timing relies on dual clock sources: an external crystal oscillator (up to 32 MHz) and an internal RC oscillator (1 MHz), with PLL-based frequency multiplication enabling stable 25 MHz core operation. Reset and interrupt handling follow S12-family vectorized architecture with priority-encoded interrupt vectors and COP watchdog supervision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit addressing, supporting 1–7 cycle instruction execution |
| Flash Memory | 32 KB on-chip Flash with ECC, 2K erase block size, 100K write/erase cycles, and secure flash protection |
| SRAM | 2 KB on-chip SRAM with byte-wide access and no wait states at full speed |
| Max Core Frequency | 25 MHz - enables deterministic real-time response for automotive control loops with ≤40 ns instruction cycle |
| CAN Interface | One MSCAN module compliant with ISO 11898-1:2003, supporting CAN 2.0A/B frames and 1 Mbit/s data rate |
| ADC | 8-channel 10-bit successive approximation ADC with 8 µs conversion time and external trigger support |
| PWM | 8-channel 8-bit PWM module with center-aligned and edge-aligned modes, dead-time insertion, and fault input |
| Operating Voltage | 4.5 V to 5.5 V - ensures compatibility with legacy 5V automotive power domains and noise margin |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate digital, analog, and PLL power domains enable noise isolation for ADC and clock stability |
| VSS, VSSA | Ground returns | Dedicated analog ground plane minimizes coupling into sensitive ADC reference paths |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode crystals from 1–8 MHz; internal load caps eliminate external components |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external reset supervisors and manual reset buttons |
| PORTA[7:0] | General-purpose I/O port | 8-bit bidirectional port with configurable pull-ups, reduced drive strength, and IRQ-capable pins |
| PORTB[7:0] | General-purpose I/O port | 8-bit port supporting CAN TX/RX alternate functions on PB0/PB1 per MSCAN specification |
| PORTJ[7:0] | General-purpose I/O port | 8-bit port with dedicated PWM output mapping (PJ0–PJ7) and ADC channel routing capability |
| PORTT[7:0] | Timer I/O port | 8-bit port providing TIM channels (T0–T7), input capture, output compare, and pulse accumulator functions |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Prevents silent data corruption in safety-critical automotive applications; enables ASIL-B compliance via error detection |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed halt/resume, register inspection, and Flash programming without target reset |
| MSCAN Controller | Hardware message buffering (3 transmit, 2 receive buffers), automatic retransmission, and bus-off recovery without CPU intervention |
| 5V Tolerant I/O | All GPIO pins withstand 5.5 V regardless of VDD state - simplifies interface with legacy sensors and actuators |
| Low-Power Stop Mode | Current draw <10 µA with RTC running and wake-up on CAN message or external interrupt - extends battery life in always-on modules |
| Integrated Voltage Regulator | On-die 2.5 V regulator powers internal PLL and analog circuits - eliminates need for external LDO in cost-sensitive designs |
Applications
| Body Control Module (BCM) | Door Module |
|---|---|
Use Scenario: Centralized control of power windows, door locks, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing LIN/CAN gateway logic, sensor polling, and actuator PWM drive. Use Value: Integrated MSCAN and 8-channel PWM reduce external component count; Flash ECC ensures firmware integrity over 15-year vehicle lifetime. | Use Scenario: Distributed control unit mounted inside vehicle door for window lift, lock actuation, and anti-pinch sensing. IC Role / Device Role / Timing Role: Real-time motor control processor with ADC sampling for current monitoring and PWM generation for bidirectional DC motor drive. Use Value: 10-bit ADC with external trigger synchronizes sampling to PWM zero-crossing, improving current measurement accuracy by >12 LSB. |
| Seat Position Control | Roof Module |
Use Scenario: Motorized adjustment of driver/passenger seat position using potentiometer feedback and limit switches. IC Role / Device Role / Timing Role: Closed-loop position controller using timer input capture for encoder quadrature decoding and PWM output for H-bridge drive. Use Value: Dedicated TIM module with 16-bit counters and quadrature decode logic eliminates software overhead, enabling sub-10 ms position update latency. | Use Scenario: Sunroof and panoramic roof control with obstacle detection, rain sensing, and CAN status reporting. IC Role / Device Role / Timing Role: System manager interfacing with Hall-effect sensors, rain sensor ADC, and CAN bus for vehicle network integration. Use Value: Dual ADC modules allow simultaneous sampling of rain sensor voltage and motor current, enabling coordinated stop-on-obstacle behavior within 50 ms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12P64J0MLHR | 64 KB Flash, 4 KB SRAM, identical peripheral set and pinout | Higher code storage for complex diagnostics or bootloader + application partitioning | Select when future firmware expansion or dual-bank OTA updates are required |
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB Flash, 64 KB RAM, CAN FD support | Next-generation platform requiring higher compute throughput and CAN FD bandwidth | Select for new designs targeting ASIL-B functional safety certification and CAN FD migration path |
Compared with MC9S12P64J0MLHR, S9S12P32J0MLHR offers lower Flash density but identical peripheral functionality and footprint - ideal for cost-optimized production. Against SPC560B50L5, it provides proven 16-bit deterministic timing and simpler toolchain migration, though lacks CAN FD and advanced safety features.
Availability
S9S12P32J0MLHR is available at Aetrix Electronics and suitable for automotive body electronics, door control units, and seat position systems requiring stable component supply across extended product lifecycles.
Supply support for S9S12P32J0MLHR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The S12P family, including S9S12P32J0MLHR, was designed for cost-sensitive, high-reliability automotive body electronics where deterministic real-time performance, CAN integration, and long-term supply stability are critical.
FAQ
What is the maximum operating temperature range for the S9S12P32J0MLHR?
The S9S12P32J0MLHR is qualified for operation from −40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 requirements for automotive under-hood and cabin applications. This rating applies to the full electrical specification, including Flash endurance, ADC linearity, and CAN timing margins, as verified in the official Freescale/NXP qualification report.
Does the S9S12P32J0MLHR support in-circuit debugging via BDM?
Yes, the S9S12P32J0MLHR includes a fully compliant Background Debug Module (BDM) supporting single-wire serial communication at up to 1 Mbps. It enables non-intrusive program download, breakpoint setting, register read/write, and Flash erase/write operations without requiring additional debug hardware beyond a standard BDM pod.
What is the Flash memory endurance specification for the S9S12P32J0MLHR?
The S9S12P32J0MLHR Flash memory is rated for a minimum of 100,000 write/erase cycles per block, with data retention exceeding 20 years at +85°C. Each 2 KB sector can be erased independently, and ECC circuitry detects and reports single-bit errors during read operations to prevent corrupted firmware execution.
Can the S9S12P32J0MLHR operate from a 3.3 V supply?
No, the S9S12P32J0MLHR requires a nominal 5 V supply (4.5 V to 5.5 V) and is not 3.3 V compatible. Its I/O structure, internal regulators, and Flash programming voltage are designed exclusively for 5 V operation. Interfacing with 3.3 V peripherals requires level-shifting circuitry or open-drain buffer configurations.
Is the S9S12P32J0MLHR pin-compatible with other S12P family members?
Yes, the S9S12P32J0MLHR shares identical 64-pin LQFP package and pinout with MC9S12P64J0MLHR and MC9S12P96J0MLHR, enabling direct PCB reuse across variants. Signal mapping, power pin locations, and peripheral alternate functions (e.g., CAN on PB0/PB1, PWM on PJ0–PJ7) are fully consistent across these devices.
S9S12P32J0MLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12P32J0MLHR FAQ
1.How can I place an order for S9S12P32J0MLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12P32J0MLHR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S9S12P32J0MLHR reliable?
The price and inventory of S9S12P32J0MLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12P32J0MLHR is usually 5 days.
3.What payment methods are accepted for S9S12P32J0MLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12P32J0MLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12P32J0MLHR?
S9S12P32J0MLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12P32J0MLHR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S9S12P32J0MLHR?
For technical support, including S9S12P32J0MLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12P32J0MLHR requirements.
6.How does Aetrix verify that S9S12P32J0MLHR is sourced from the original manufacturer or authorized distributors?
All S9S12P32J0MLHR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S9S12P32J0MLHR meets industry standards.
7.What is the process for return or replacement of S9S12P32J0MLHR?
All S9S12P32J0MLHR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12P32J0MLHR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S9S12P32J0MLHR part is unused and in its original packaging.
Return procedure for S9S12P32J0MLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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