MC9S08QA4

Freescale Semiconductor Data Sheet: Technical Data Document Number: MC9S08QA4 www.DataSheet4U.com Rev. 2, 2/2008 MC9S08QA4 8-Pin DFN Case 1452-02 8-Pin NB-SOIC Case 751-07 MC9S08QA4 Series Covers: MC9S08QA4 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 – Flash read/program/erase over full operating voltage and temperature – Random-access memory (RAM) – Security circuitry to prevent unauthorized access to RAM and flash contents Power-Saving Modes – Two very low power stop modes – Peripheral clock enable register can disable clocks to unused modules, thereby reducing currents – Very low power real time counter for use in run, wait, and stop modes with internal clock sources Clock Source Options – Internal Clock Source (ICS) — Internal clock source module containing a frequency-locked-loop (FLL) controlled by internal reference; precision trimming of internal reference allows 0.2% resolution and 2% deviation over temperature and voltage; supports bus frequencies from 1 MHz to 10 MHz System Protection – Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source or bus clock – Low-voltage detection with reset or interrupt – Selectable trip points – Illegal opcode detection with reset – Illegal address detection with reset –...