NXP Semiconductors S9S12DG12F1CPVER
- Part No.:
- S9S12DG12F1CPVER
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S9S12DG12F1CPVER.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S9S12DG12F1CPVER from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 128 KB Flash, 8 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz bus frequency, supports 5V I/O tolerance, and includes dual 10-bit ATD converters with 16 channels. It targets automotive body control modules requiring robust real-time control and CAN network interfacing.
For engineers reviewing the S9S12DG12F1CPVER datasheet, S9S12DG12F1CPVER pinout, S9S12DG12F1CPVER application, or S9S12DG12F1CPVER equivalent, key selection criteria include its 112-pin LQFP package, on-chip voltage regulator (VREG), background debug interface (BDM), MSCAN module timing compliance, and flash endurance of 10k write/erase cycles - all critical for production-grade automotive firmware development and ECU hardware validation.
Technical Context
The S9S12DG12F1CPVER implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its CRG block integrates PLL with programmable multiplication factor (K = 1–32) and selectable oscillator source (crystal, ceramic resonator, or external clock).
It features two independent ATD modules (ATD0 and ATD1), each with 8 input channels, configurable sample-and-hold time, and conversion times as low as 7 µs per 10-bit result. The MSCAN module supports full CAN 2.0B protocol with three transmit and two receive buffers, plus message object filtering and low-power wake-up capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and 100+ instructions |
| Flash Memory | 128 KB on-chip Flash with 10,000 write/erase cycles and 10-year data retention |
| RAM | 8 KB on-chip SRAM, battery-backed option via VDDA/VSSA supply domain |
| Bus Frequency | Up to 25 MHz - determines maximum instruction throughput and peripheral timing margins |
| I/O Voltage Tolerance | 5V-tolerant digital I/O pins - enables direct interface with legacy automotive sensors and actuators |
| CAN Interface | One MSCAN module compliant with ISO 11898-1:2003, supporting 1 Mbit/s operation and message objects with ID masking |
| ADC Resolution | Dual 10-bit ATD converters (ATD0/ATD1), each with 8-channel multiplexer and configurable conversion sequence |
Pinout & Package
Package: 112-pin LQFP (16 × 16 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes I/O ports to default states |
| BKGD / TAGHI / MODC | Background debug and mode control | Single-wire BDM interface for in-circuit debugging; MODC selects boot mode (internal flash vs. external memory) |
| EXTAL / XTAL | Oscillator input/output | Supports crystal (1–8 MHz) or ceramic resonator; PE7 configures Colpitts (PE7=1) or Pierce (PE7=0) topology |
| VREGEN | Voltage regulator enable | High-active signal enabling internal 5V-to-2.5V regulator for core logic; must be tied high for normal operation |
| PJ6 / PJ7 | CAN0 RX/TX | Dedicated differential CAN transceiver interface pins - require external CAN PHY for physical layer compliance |
| PM4 / PM5 / PM2 / PM3 | SPI0 MOSI/MISO/SCK/SS | Full-duplex synchronous serial interface supporting master/slave modes up to 12.5 MHz bus clock |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates stable 2.5 V core supply from 5 V VDDX, eliminating need for external LDO in most automotive applications |
| MSCAN module with wake-up | Enables low-power sleep mode with selective CAN message wake-up (RX pin edge or ID match), reducing system standby current |
| Background Debug Mode (BDM) | Single-pin debug interface supporting full read/write memory access, register inspection, and breakpoint setting without halting real-time operation |
| Dual ATD converters with trigger synchronization | Allows simultaneous sampling of analog signals across two domains (e.g., motor current + temperature), synchronized via ECT or software trigger |
| EEPROM emulation in Flash | 1 KB dedicated EEPROM-like storage implemented in Flash using wear-leveling firmware, supporting byte-write semantics and 100k endurance |
Applications
| Automotive Body Control Unit (BCU) | Industrial Motor Drive Controller |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing real-time PWM for motor drivers, reading LIN/CAN sensor data, and managing non-volatile configuration storage. Use Value: Integrated MSCAN and 5V-tolerant I/O reduce external component count; 128 KB Flash accommodates A/B firmware partitioning for OTA updates. |
Use Scenario: Closed-loop speed/torque control of 3-phase BLDC motors in HVAC blowers and pump systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms via ECT timers and dual ATD sampling; CAN feedback for system-level coordination. Use Value: 25 MHz bus clock ensures sub-10 µs interrupt latency; dual ATD modules enable simultaneous current and voltage sensing for accurate torque calculation. |
| Commercial Vehicle Telematics Gateway | Off-Highway Equipment Monitor |
|
Use Scenario: Aggregation and translation of J1939 messages from engine, transmission, and ABS ECUs to cellular modem or cloud interface. IC Role / Device Role / Timing Role: Protocol gateway MCU handling CAN message filtering, prioritization, and buffered forwarding with timestamping. Use Value: MSCAN's three TX buffers and ID masking allow concurrent transmission of priority diagnostics, GPS metadata, and fault logs without CPU intervention. |
Use Scenario: Monitoring hydraulic pressure, coolant temperature, and implement position in construction equipment (e.g., excavators, loaders). IC Role / Device Role / Timing Role: Sensor fusion hub collecting analog, digital, and CAN inputs; performing health checks and triggering audible/visual alarms. Use Value: VREG and extended temperature range (–40°C to +125°C) ensure reliable operation in unheated cab environments; BDM support simplifies field firmware recovery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12DJ64CPVE | 64 KB Flash, identical pinout and peripheral set; lacks second ATD module and reduces RAM to 4 KB | Suitable for cost-sensitive BCU nodes with fewer analog sensors and no dual-sampling requirement | Select when firmware size < 64 KB and dual ATD not required - reduces BOM cost without layout change |
| S912XDP512J1MALR | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM; 144-pin LQFP package (not pin-compatible) | Required for complex real-time tasks like adaptive cruise control preprocessing or multi-CAN domain routing | Choose for next-generation platforms needing >100 KB code space and deterministic offload processing - requires PCB redesign |
Compared with MC9S12DJ64CPVE, the S9S12DG12F1CPVER delivers 2× Flash and dual ATD for sensor-rich ECUs; versus S912XDP512J1MALR, it offers proven qualification and lower power consumption but lacks XGATE acceleration and requires less board area.
Availability
S9S12DG12F1CPVER is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial vehicle telematics requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualified silicon.
Supply support for S9S12DG12F1CPVER 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in automotive microcontrollers dating to Motorola's 68HC11 era.
The S9S12DG12F1CPVER belongs to the HCS12 family, designed specifically for cost-effective, ASIL-B-capable automotive electronic control units where functional safety, CAN integration, and field-proven reliability are mandatory.
FAQ
What is the maximum operating temperature range for the S9S12DG12F1CPVER?
The S9S12DG12F1CPVER is rated for operation from –40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 requirements for automotive under-hood applications. This rating applies when VDDX is maintained between 4.5 V and 5.5 V and thermal dissipation is managed per the 112-pin LQFP junction-to-board thermal resistance (θJB = 26°C/W) specified in the device user guide.
Does the S9S12DG12F1CPVER support in-system programming (ISP) via CAN?
No, the S9S12DG12F1CPVER does not support native CAN-based ISP. Firmware updates require either the single-wire Background Debug Mode (BDM) interface or bootloading via SCI or SPI using application-layer protocols. The device includes a ROM-resident bootloader (S12 LRAE) accessible after reset, but it does not expose CAN as a supported communication channel for flash reprogramming.
How many CAN message objects does the MSCAN module in the S9S12DG12F1CPVER support?
The MSCAN module in the S9S12DG12F1CPVER supports five message objects: three transmit buffers and two receive buffers. Each buffer includes full 29-bit extended ID support, acceptance filtering, and automatic retransmission on arbitration loss - sufficient for typical body control and gateway node implementations without external CAN controller expansion.
Is the S9S12DG12F1CPVER pin-compatible with the MC9S12DJ64CPVE?
Yes, the S9S12DG12F1CPVER is pin-compatible with the MC9S12DJ64CPVE in the 112-pin LQFP package. Both share identical pin assignments, power domains, and peripheral mappings. However, the S9S12DG12F1CPVER enables additional features (e.g., second ATD module, larger Flash/RAM) only when configured via software - hardware compatibility allows drop-in replacement in existing DJ64-based designs.
What oscillator configurations are supported by the S9S12DG12F1CPVER?
The S9S12DG12F1CPVER supports three oscillator configurations: (1) Pierce crystal/resonator (PE7 = 0), (2) Colpitts crystal/resonator (PE7 = 1), and (3) external CMOS clock input (PE7 = 0, EXTAL driven directly). Valid frequency ranges are 1–8 MHz for crystals and 1–4 MHz for external clocks, with startup time dependent on crystal load capacitance and loop filter component values per Figure 2-3 in the device user guide.
S9S12DG12F1CPVER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.25V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12DG12F1CPVER FAQ
1.How can I place an order for S9S12DG12F1CPVER through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12DG12F1CPVER 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 S9S12DG12F1CPVER reliable?
The price and inventory of S9S12DG12F1CPVER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12DG12F1CPVER is usually 5 days.
3.What payment methods are accepted for S9S12DG12F1CPVER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12DG12F1CPVER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12DG12F1CPVER?
S9S12DG12F1CPVER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12DG12F1CPVER 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 S9S12DG12F1CPVER?
For technical support, including S9S12DG12F1CPVER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12DG12F1CPVER requirements.
6.How does Aetrix verify that S9S12DG12F1CPVER is sourced from the original manufacturer or authorized distributors?
All S9S12DG12F1CPVER 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 S9S12DG12F1CPVER meets industry standards.
7.What is the process for return or replacement of S9S12DG12F1CPVER?
All S9S12DG12F1CPVER units undergo pre-shipment inspection (PSI). If there is an issue with S9S12DG12F1CPVER, 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 S9S12DG12F1CPVER part is unused and in its original packaging.
Return procedure for S9S12DG12F1CPVER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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