Product Overview
The NXP S9S12G128F0CLLR is a 16-bit automotive-qualified microcontroller from the S12G family, featuring the S12 CPU core running at 25 MHz with 128 KB Flash, 8 KB RAM, and 4 KB EEPROM. It includes CAN, SPI, and SCI interfaces in a 100-pin LQFP package with AEC-Q100 qualification.
Key Specifications
| Core | S12 16-bit |
| Max CPU Frequency | 25 MHz |
| Flash | 128 KB |
| RAM | 8 KB |
| EEPROM | 4 KB |
| CAN | 1 (MSCAN) |
| SPI | 3 |
| ADC | 12-channel, 10-bit |
| GPIO | 86 |
| Supply Voltage | 3.13 V to 5.5 V |
| Package | 100-pin LQFP |
Features
- S12 16-bit CPU core with efficient instruction set
- 128 KB Flash with ECC, 8 KB RAM, 4 KB EEPROM
- MSCAN module supporting CAN 2.0A/B
- Up to 3 SPI and 3 SCI modules
- 10-bit ADC with up to 12 channels
8-channel PWM module - Automotive qualified (AEC-Q100), -40°C to +125°C
Applications
- Automotive body controllers and gateway modules
- Industrial CAN bus nodes
- Motor control and power management
- Sensor interface and data acquisition
The NXP S9S12G128F0CLLR is a member of the MC9S12G family of 16-bit microcontrollers designed for automotive and industrial applications. Based on the well-established S12 CPU core, it operates at bus frequencies up to 25 MHz, delivering reliable real-time performance for control-oriented tasks. The device integrates 128 KB of on-chip Flash memory with ECC for code storage, 8 KB of SRAM for data processing, and 4 KB of EEPROM with ECC for parameter storage. A comprehensive peripheral set includes an MSCAN controller for CAN 2.0A/B networking, three SPI modules for high-speed serial communication, three SCI modules supporting LIN protocols, a 10-bit ADC with up to 12 channels for analog signal acquisition, and an 8-channel PWM module for motor control. AEC-Q100 qualification ensures operation from -40°C to +125°C in automotive environments.
The S9S12G128F0CLLR operates around the S12 CPU core, a 16-bit processor with a full 16-bit data path supporting efficient arithmetic operations and single-byte instruction encoding for optimal code density. The on-chip voltage regulator (VREG) accepts 3.13-5.5 V input and generates all internal supply voltages. An internal phase-locked loop (IPLL) multiplies the external 4-16 MHz crystal or internal 1 MHz RC oscillator up to the target bus frequency of 25 MHz. Flash memory uses a page-based architecture with ECC for single-bit error correction. The MSCAN module implements the CAN 2.0A/B protocol with hardware message filtering, five receive buffers in FIFO configuration, and three transmit buffers with internal prioritization. The timer module (TIM) provides 8 channels of input capture, output compare, and pulse accumulator functions for real-time event measurement and generation.
Pin Name Type Function 1 VDD1 Power Core logic supply 2 VSS1 Ground Core logic ground 3-10 PT0-PT7 I/O Port T (Timer I/O) 11-18 PP0-PP7 I/O Port P (PWM I/O) 19 VDDX Power I/O supply 20 VSSX Ground I/O ground 21-36 PA0-PA15 I/O Port A/B (GPIO/Addr) 37 EXTAL Input External oscillator input 38 XTAL Output External oscillator output 39 /RESET I/O System reset - Automotive body control module (BCM) with CAN networking
- Industrial motor control with PWM and ADC feedback
- Sensor gateway with CAN/SPI/SCI interfaces
- Power management controllers in automotive systems
Manufacturer Part Number Package Notes NXP S9S12G128F0MLLR LQFP-100 Extended temp range NXP S9S12G96F0CLLR LQFP-100 96KB Flash variant NXP S9S12GA128F0CLHR LQFP-100 GA variant with enhanced ADC Renesas RL78/F15 LQFP-100 Alternative 16-bit MCU Recommend Parts
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