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MC9S12Q128_10 Datasheet, PDF (19/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers | |||
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Chapter 1 MC9S12Q Device Overview (MC9S12Q128-Family)
â 16MHz equivalent to 8MHz Bus Speed for single chip
â 16MHz equivalent to 8MHz Bus Speed in expanded bus modes
â Option of 32 MHz equivalent to 16MHz Bus Speed
⢠Internal 2.5V regulator:
â Supports an input voltage range from 2.97V to 5.5V
â Low power mode capability
â Includes low voltage reset (LVR) circuitry
â Includes low voltage interrupt (LVI) circuitry
⢠48-pin LQFP, 52-pin LQFP, or 80-pin QFP package:
â Up to 58 I/O lines with 5V input and drive capability (80-pin package)
â Up to 2 dedicated 5V input only lines (IRQ, XIRQ)
â 5V 8 A/D converter inputs and 5V I/O
⢠Development support:
â Single-wire background debug⢠mode (BDM)
â On-chip hardware breakpoints
â Enhanced DBG12 debug features
1.1.2 Modes of Operation
User modes (expanded modes are only available in the 80-pin package version).
⢠Normal and emulation operating modes:
â Normal single-chip mode
â Normal expanded wide mode
â Normal expanded narrow mode
â Emulation expanded wide mode
â Emulation expanded narrow mode
⢠Special operating modes:
â Special single-chip mode with active background debug mode
â Special test mode (Freescale use only)
â Special peripheral mode (Freescale use only)
⢠Low power modes:
â Stop mode
â Pseudo stop mode
â Wait mode
Freescale Semiconductor
MC9S12Q128
19
Rev 1.10
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