Overview
The MC9S12XHZ256VAG is a 16-bit microcontroller from Freescale Semiconductor, now part of NXP Semiconductors. This microcontroller is part of the MC9S12XHZ family, which is designed for automotive and industrial applications. It features the HCS12X core, which is upward compatible with the MC9S12 instruction set, ensuring ease of migration and development. The device is known for its robust performance, extensive peripheral set, and high reliability, making it suitable for a wide range of demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 16-bit HCS12X CPU |
| Flash Memory | 256 KB |
| EEPROM | 4 KB |
| SRAM | Up to 32 KB |
| Operating Frequency | Up to 80 MHz |
| Supply Voltage | 4.5 V to 5.5 V |
| Temperature Range | -40°C to +105°C |
| Package | 144-LQFP |
| Number of Pins | 144 |
| External Data Bus Width | 16-bit |
| RoHS Status | ROHS3 Compliant |
Key Features
- HCS12X Core: 16-bit CPU with enhanced indexed addressing and instruction set, upward compatible with MC9S12 instruction set.
- XGATE Co-processor: Programmable in C language, runs at twice the bus frequency of the S12, optimized for data movement, logic, and bit manipulation.
- Memory: 256 KB Flash, 4 KB EEPROM, and up to 32 KB SRAM.
- Peripheral Modules: Includes a 32x4 LCD controller/driver, motor pulse width modulator with up to 24 high current outputs, two MSCAN modules, and various other peripherals like EBI, MMC, INT, and DBG.
- Debugging: Background debug mode (BDM) and debug module to monitor HCS12X CPU and XGATE bus activity.
Applications
The MC9S12XHZ256VAG is targeted at automotive instrumentation and industrial control applications. It is particularly suited for systems requiring high performance, reliability, and a rich set of peripherals. Examples include automotive dashboards, industrial control systems, motor control systems, and other applications where robust and reliable microcontroller functionality is essential.
Q & A
- What is the core architecture of the MC9S12XHZ256VAG?
The MC9S12XHZ256VAG features a 16-bit HCS12X CPU core. - How much Flash memory does the MC9S12XHZ256VAG have?
The device has 256 KB of Flash memory. - What is the operating frequency of the MC9S12XHZ256VAG?
The operating frequency can go up to 80 MHz. - What is the temperature range for the MC9S12XHZ256VAG?
The device operates within a temperature range of -40°C to +105°C. - What package type is the MC9S12XHZ256VAG available in?
The device is available in a 144-LQFP package. - Is the MC9S12XHZ256VAG RoHS compliant?
Yes, the MC9S12XHZ256VAG is ROHS3 compliant. - What is the XGATE co-processor used for?
The XGATE co-processor is used for parallel processing, offloading the CPU by providing high-speed data processing and transfer. - Does the MC9S12XHZ256VAG support debugging?
Yes, it supports background debug mode (BDM) and has a debug module to monitor HCS12X CPU and XGATE bus activity. - What are some common applications for the MC9S12XHZ256VAG?
Common applications include automotive instrumentation, industrial control systems, and motor control systems. - How many pins does the MC9S12XHZ256VAG have?
The device has 144 pins.
