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Freescale's RS08KB 8-bit microcontroller (MCU) family features an integrated peripheral set that includes a highly efficient RS08 core to support interrupt capability, helping to improve system performance and save additional components costs. The RS08KB family eases migration by offering multiple package and flash size options, along with pin compatibility with other 5-volt families and the CodeWarrior development tool to support other all 8-bit families.
Features
8-bit RS08 Central Processor Unit (CPU)
- Up to 10 MHz internal bus (20 MHz RS08 core) frequency with 1.8V to 5.5V operation across a temperature range of -40°C to +85°C
On-Chip Memory
- Up to 12 KB flash read/program/erase over entire operating voltage and temperature ranges
- Up to 254 bytes of RAM
- Security circuitry
Power-Saving Modes
- Low-power stop modes, reduced-power wait mode, wakeup from power-saving modes
Clock Source Options
- Oscillator (XOSC) clock source options include oscillator, crystal or ceramic resonator
- Up to 20 MHz internal clock source (ICS) module
Peripherals
- Single global interrupt vector
- Analog-to-digital converter (ADC): 12-channel, 10-bit resolution, 2.5 us conversion time, 1.7 mV/°C temperature sensor
- Analog comparator (ACMP) with option to compare to internal reference
- Timer/pulse-width modulator module (TPM): 1 x 2-channel
- MTIM 8: Two 8-bit modulo timers with optional clock sources
- Real Time Interrupt (RTI) with optional clock sources
- SCI module with optional 13-bit break, LIN extensions
- I2C module capable of up to 100 kbps operation with maximum bus loading
- Up to eight ports keyboard interrupt (KBI) ports
Input/Output
- Up to 18 general purpose input/output (GPIO) pins, including one input-only pin and one output-only pin
System Protection
- Watchdog computer operating properly (COP) module can be 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
- Flash block protection
Development Support
- Single-wire background debug interface
- Breakpoint setting capability
- On-chip in-circuit emulator (ICE) debug module
Featured Documentation
- MC9RS08KBFS: MC9RS08KBFS, MC9RS08KB12/8/4/2 - Fact sheet
- MC9RS08KB12RM: MC9RS08KB12 Reference Manual
- AN4032: Enabling a Single Global Interrupt Vector on the RS08 Platform
- MC9RS08KB12: MC9RS08KB12 Data Sheet: Technical Data
Featured Software and Tools
- CWX-MCU-LLPLT-EX: Evaluation: CodeWarrior for Microcontrollers 10.2 (Eclipse, Linux-hosted)
- CWX-MCU-SELH: Special Edition: CodeWarrior for Microcontrollers 10.2 (Eclipse, Linux hosted)
- CWX-MCU-PROED-EX: Evaluation: CodeWarrior for Microcontrollers 10.2 (Eclipse, Windows-hosted)
- CWX-MCU-SE: Special Edition: CodeWarrior for Microcontrollers 10.2 (Eclipse, Windows hosted)
- DEMO9RS08KB12: RS08KB Demonstration Board
- UMultilink: Universal Multilink Development Interface
Target Applications
- Consumer
- Small Appliances
- Toys
- Handheld Instruments
- Industrial
- Lighting Control
- Battery Chargers and Management
- Simple Logic Replacements
- Low-End Thermal Controlled BLDC Fans
Product Specifications
| Internal Flash (kByte) | 2, 4, 8, 12 |
| Internal RAM (kByte) | 254, 126 |
| I/O Pins | 18, 14, 6 |
| Serial Interface - Type | I2C, SCI |
| Additional Features | Low Voltage Detect, Analog Comparator |
Featured Training & Events
- On-Demand Training
