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MC9S12DG256VFU

MC9S12DT256 Device User Guide V03.07

Freescale Semiconductor 

MC9S12DT256 Device User Guide — V03.07

– Compatible with I2C Bus standard

– Multi-master operation

– Software programmable for one of 256 different serial clock frequencies

• 112-Pin LQFP package

– I/O lines with 5V input and drive capability

– 5V A/D converter inputs

– Operation at 50MHz equivalent to 25MHz Bus Speed

– Development support

– Single-wire background debug™ mode (BDM)

– On-chip hardware breakpoints

1.3 Modes of Operation

User modes

• Normal and Emulation Operating 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 (Motorola use only)

– Special Peripheral Mode (Motorola use only)

Low power modes

• Stop Mode

• Pseudo Stop Mode

• Wait Mode

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