Datasheet

Chapter 1 MC9S12E128 Device Overview (MC9S12E128DGV1)

MC9S12E128 Data Sheet, Rev. 1.07

Freescale Semiconductor 23

• Operating frequency

— 50MHz equivalent to 25MHz Bus Speed

• Internal 2.5V Regulator

— Input voltage range from 3.135V to 5.5V

— Low power mode capability

— Includes low voltage reset (LVR) circuitry

— Includes low voltage interrupt (LVI) circuitry

• 112-Pin LQFP or 80-Pin QFP or 64-Pin QFN package

— Up to 90 I/O lines with 5V input and drive capability (112 pin package)

— Up to two dedicated 5V input only lines (IRQ and XIRQ)

— Sixteen 3.3V/5V A/D converter inputs

• Development Support.

— Single-wire background debug

mode

— On-chip hardware breakpoints

— Enhanced debug features

1.1.2 Modes of Operation

User modes (Expanded modes are only available in the 112-pin package version)

• Normal modes

— Normal Single-Chip Mode

— Normal Expanded Wide Mode

— Normal Expanded Narrow Mode

— Emulation Expanded Wide Mode

— Emulation Expanded Narrow Mode

• Special Operating Modes

— Special Single-Chip Mode with active Background Debug Mode

— Special Test Mode (Freescale use only)

— Special Peripheral Mode (Freescale use only)

• Low power modes

— Stop Mode

— Pseudo Stop Mode

— Wait Mode