Description

The MC9S12A256CPVE is a 16-bit microcontroller unit (MCU) designed for various embedded systems applications. It is a member of the HCS12 Family, and it offers standard on-chip peripherals such as 256K bytes of Flash EEPROM, 12K bytes of RAM, 4K bytes of EEPROM, and various communication interfaces, timers, and analog-to-digital converters.

Specifications and features

• Core: HCS12 16-bit CPU, upward compatible with M68HC11 instruction set, instruction queue, indexed addressing
• Memory: 256K Flash EEPROM, 12K RAM, and 4K EEPROM
• Communication: Two asynchronous SCI interfaces, three synchronous SPI interfaces, and three CAN 2.0 A, B software compatible modules with flexible identifier filter
• Timers: An 8-channel IC/OC enhanced capture timer and an 8-channel PWM
• Analog-to-Digital Converters: Two 8-channel, 10-bit ADC with external conversion trigger capability
• BDLC: Digital Byte Data Link Controller for low-speed (<125 Kbps) serial data communications in automotive applications
• IIC: Inter-IC Bus compatible with I2C Bus standard, multi-master operation
• Package: 112-pin LQFP with 5V input and drive capability

Application Scenarios

The MC9S12A256CPVE can be applied to various embedded systems, such as automotive, industrial, and consumer electronics. It is suitable for applications that require high computational power and various communication interfaces.

Comparison

• Higher processing power compared to 8-bit microcontrollers, e.g., M68HC11
• Flexible identifier filter for CAN communication
• External conversion trigger capability for ADC

• Higher cost compared to 8-bit microcontrollers
• More complex programming and debugging