MC9S08QB4 - Freescale Semiconductor

MC9S08QB4 Microcontrollers

of Changes Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. © Freescale Semiconductor, Inc., 2008. All rights reserved. MC9S08QB8 MCU Series Reference Manual, Rev. 1 6 Freescale Semiconductor List of Chapters Chapter Number Title Page Chapter 1 Device Overview . . . .

Features

8-Bit HCS08 Central Processor Unit (CPU)
• Up to 20 MHz CPU at 3.6 V to 1.8 V across temperature range of
  –40 °C to 85 °C
• HC08 instruction set with added BGND instruction
• Support for up to 32 interrupt/reset sources On-Chip Memory
• Up to 8 KB flash memory read/program/erase over full operating voltage and temperature
• Up to 512 bytes random-access memory (RAM)
• Security circuitry to prevent unauthorized access to RAM and flash contents Power-Saving Modes
• Two very low power stop modes
• Low power run and low power wait modes
• Peripheral clock enable register can disable clocks to unu.