Overview
The S912XEG128J2MAA is a microcontroller from Freescale Semiconductor, now part of NXP Semiconductors. This device belongs to the MC9S12XE family, which is known for its enhanced features and performance. The S912XEG128J2MAA is designed to provide high system integrity and reliability, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Family | MC9S12XE |
| Package Type | 80-pin Quad Flat Pack (QFP), 14x14mm body, 0.65mm pitch |
| Flash Memory | 128K bytes |
| RAM | 12K bytes |
| Emulated EEPROM | 2K bytes |
| CPU Type | 16-bit CPU12X |
| Maximum CPU Bus Frequency | 50MHz |
| Maximum XGATE Bus Frequency | 100MHz |
| Supply Voltage Range | 3.3V-5%/+10% to 5.0V+10% |
| Ambient Temperature Range | -40°C to 125°C |
| ADC Channels | Faster analog-to-digital converter (ADC) |
| CAN Modules | Up to 5 CAN modules (CAN0, CAN1, CAN2, CAN3, CAN4) |
| SCI Modules | Up to 8 SCI modules (SCI0-SCI7) |
Key Features
- Enhanced XGATE and EEPROM functionality
- Frequency-modulated locked loop for improved clock stability
- Faster analog-to-digital converter (ADC)
- 16-bit CPU12X with enhanced system integrity features (MPU, ECC, Supervisor Mode)
- ECC on flash with single-bit fault correction and double-bit fault detection
- Separate supply for internal voltage regulator and I/O for optimized EMC filtering
- Configurable window COP for enhanced failure detection
- Clock monitor supervising the correct function of the oscillator
Applications
The S912XEG128J2MAA microcontroller is widely used in various industrial and automotive applications due to its robust features and reliability. These include:
- Automotive control systems
- Industrial automation and control
- Medical devices requiring high reliability
- Aerospace and defense systems
- Other high-performance embedded systems
Q & A
- What is the S912XEG128J2MAA microcontroller used for?
The S912XEG128J2MAA is used in industrial, automotive, and other high-reliability applications. - What is the package type of the S912XEG128J2MAA?
The package type is an 80-pin Quad Flat Pack (QFP), 14x14mm body, 0.65mm pitch. - How much flash memory does the S912XEG128J2MAA have?
The S912XEG128J2MAA has 128K bytes of flash memory. - What is the maximum CPU bus frequency of the S912XEG128J2MAA?
The maximum CPU bus frequency is 50MHz. - Does the S912XEG128J2MAA support CAN modules?
Yes, it supports up to 5 CAN modules. - What is the ambient temperature range of the S912XEG128J2MAA?
The ambient temperature range is -40°C to 125°C. - Does the S912XEG128J2MAA have ECC on flash?
Yes, it has ECC on flash with single-bit fault correction and double-bit fault detection. - What is the purpose of the separate supply for internal voltage regulator and I/O?
The separate supply allows for optimized EMC filtering. - Can the S912XEG128J2MAA be used in medical devices?
Yes, it can be used in medical devices due to its high reliability features. - What is the maximum XGATE bus frequency of the S912XEG128J2MAA?
The maximum XGATE bus frequency is 100MHz. - Does the S912XEG128J2MAA support SCI modules?
Yes, it supports up to 8 SCI modules.
