MC9S12H256VFVE datasheet by Freescale Semiconductor

MC9S12H256VFVE Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the MC9S12H256VFVE?
  The maximum operating frequency of the MC9S12H256VFVE is 50 MHz, but it can be overclocked to 60 MHz with some limitations.
• How do I configure the clock settings for the MC9S12H256VFVE?
  The clock settings for the MC9S12H256VFVE can be configured using the Clock Generation Module (CGM) registers. The CGM provides a flexible clock system that allows the user to select from various clock sources, including the internal oscillator, external oscillator, and PLL.
• What is the maximum amount of RAM and flash memory available on the MC9S12H256VFVE?
  The MC9S12H256VFVE has 256 KB of flash memory and 12 KB of RAM.
• How do I implement a watchdog timer on the MC9S12H256VFVE?
  The MC9S12H256VFVE has a built-in Computer Operating Properly (COP) watchdog timer that can be enabled and configured using the COP control register. The COP timer can be used to reset the microcontroller if it fails to respond within a specified time period.
• What are the different low-power modes available on the MC9S12H256VFVE?
  The MC9S12H256VFVE has several low-power modes, including Stop, Wait, and Doze modes. These modes can be used to reduce power consumption when the microcontroller is not actively executing code.