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MC9S12B128 Datasheet, PDF (21/128 Pages) Motorola, Inc – microcontroller unit (MCU) | |||
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Device User Guide â9S12B128DGV1/D V01.11
⢠Serial interfaces
â Two asynchronous Serial Communications Interfaces (SCI)
â Synchronous Serial Peripheral Interface (SPI)
⢠Inter-IC Bus (IIC)
â Compatible with I2C Bus standard
â Multi-master operation
â Software programmable for one of 256 different serial clock frequencies
⢠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
⢠112-Pin LQFP or 80 QFP package
â I/O lines with 5V input and drive capability
â 5V A/D converter inputs
â Operation at 32 MHz equivalent to 16 MHz Bus Speed; Option 50MHz equivalent to 25MHz
Bus Speed
â Development support
â Single-wire background debug⢠mode (BDM)
â On-chip hardware breakpoints
1.3 Modes of Operation
User modes
⢠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 (Motorola use only)
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