Overview
The S912XEQ512J3MAA is a 16-bit microcontroller from NXP (formerly Freescale Semiconductor) that belongs to the HCS12X family. This microcontroller is designed to enhance system integrity and functionality, making it suitable for various applications, particularly in the automotive and industrial sectors. It features a 16-bit CPU12X core, operating at a bus speed of 50 MHz, and includes advanced features such as a memory protection unit (MPU), error correction code (ECC), and enhanced EEPROM functionality. The S912XEQ512J3MAA is part of the S12XE family, which extends the capabilities of the S12XD family with increased flash memory and I/O capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | S912XEQ512J3MAA |
| Manufacturer | NXP / Freescale |
| Product Category | IC chips |
| Description | IC MCU 16BIT 512KB FLASH 80QFP |
| Package | 80-QFP (14x14) |
| Core Processor | HCS12X |
| Core Size | 16-Bit |
| CPU Family | CPU12 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 32K x 8 (32,768 bytes) |
| ADC Channels | 8 |
| ADC Resolution (bit) | 12 |
| Frequency | 50 MHz |
| Interface | I2C, SPI, CAN, IrDA, SCI, EBI/EMI |
| Peripherals | POR, PWM, WDT, LVD, I2C |
| Voltage - Supply (Vcc/Vdd) | 1.72V ~ 5.5V |
| Temperature Grade | AUTOMOTIVE (-40°C to 125°C) |
Key Features
- XGATE Co-processor: Assists in building virtual peripherals and boosting overall performance.
- Memory Protection Unit (MPU): Enhances system integrity with supervisor/user modes.
- Error Correction Code (ECC): Provides 1-bit fault correction and 2-bit fault detection on flash memory.
- Enhanced EEPROM Functionality: Flexible, programmable, hardware-emulated EEPROM.
- High-Speed ADC: 12-bit resolution with a 3μs conversion time.
- Multiple Interfaces: Supports CANbus, I²C, SPI, IrDA, SCI, and EBI/EMI.
- Background Debug Module (BDM): Non-intrusive memory access commands and in-circuit programming of on-chip non-volatile memory.
- Watchdog Timer: Ensures system reliability with a watchdog timer.
Applications
The S912XEQ512J3MAA microcontroller is optimized for various applications, including:
- Automotive Multiplexing: Suitable for automotive body and chassis control systems.
- Industrial Control Systems: Used in industrial automation, control, and monitoring systems.
- Embedded Systems: Ideal for embedded systems requiring high performance and reliability.
Q & A
- What is the core processor of the S912XEQ512J3MAA microcontroller?
The core processor is the HCS12X.
- What is the program memory size and type of the S912XEQ512J3MAA?
The program memory size is 512KB, and the type is FLASH.
- What are the key interfaces supported by the S912XEQ512J3MAA?
The microcontroller supports CANbus, I²C, SPI, IrDA, SCI, and EBI/EMI.
- What is the operating voltage range of the S912XEQ512J3MAA?
The operating voltage range is 1.72V to 5.5V.
- What is the temperature range for the S912XEQ512J3MAA?
The temperature range is -40°C to 125°C.
- Does the S912XEQ512J3MAA have a watchdog timer?
Yes, it includes a watchdog timer.
- What is the purpose of the XGATE co-processor in the S912XEQ512J3MAA?
The XGATE co-processor assists in building virtual peripherals and boosting overall performance.
- What type of memory protection does the S912XEQ512J3MAA offer?
The microcontroller features a memory protection unit (MPU) with supervisor/user modes.
- What is the resolution and conversion time of the ADC in the S912XEQ512J3MAA?
The ADC has a 12-bit resolution with a 3μs conversion time.
- Is the S912XEQ512J3MAA RoHS compliant?
Yes, it is RoHS compliant.
