8-bit General Purpose AW60/48/32/16 MCUs




S08AW Microcontroller Block Diagram

S08AW Microcontroller Block Diagram


8-bit HCS08 CPU Core

  • 8-bit HCS08 CPU Core
    • 50 ns minimum instruction cycle time down to 2.7V @ 20 MHz bus
  • C-optimized architecture with multiply and divide instructions
  • Optional power modes
    • Support for up to 32 interrupt/reset sources allows for greater software flexibility and optimization
    • Optional auto wake-up from Stop 2 or Stop 3 modes with internal timer typically requires only 300 nA additional current

On-Chip Debug Interface

  • Single-wire background debug mode
  • On-chip trace buffer with nine flexible trigger modes and multiple hardware breakpoints
  • Nonintrusive emulation

Integrated Third-Generation Flash Memory

  • In-application reprogrammable
  • Self-timed, fast programming
    • Can program 8 bits in 20 µs
    • Fast Flash page erase
      • 20 ms (512 bytes)
  • 10K write/erase cycles minimum, 100K typical
  • 15-year minimum data retention, 100 years typical
  • Internal program/erase voltage generation
  • Fine Flash granularity—512B Flash erase/1B Flash program
  • Flexible block protection and enhanced security
  • Single power supply program/erase
  • Read/program/erase over full operation voltage and temperature

Internal Clock Generator

  • Programmable frequency-locked loop (FLL) generates 8 MHz to 40 MHz (for bus rates up to 20 MHz)
  • Post-FLL divider gives one of eight bus rate dividers
  • Trimmable with temperature and voltage compensation
  • Provides multiple options for clock sources and in-application clock switching
    • 32 KHz to 16 MHz reference external crystal/resonator
    • Internal clock generator
    • External clock

10-bit Analog-to-Digital Converter (ADC)

  • 16-channel ADC
  • 2.5 µs, 10-bit single conversion time

Timer with Eight Programmable Channels

  • 2-channel and 6-channel, 16-bit timer systems
  • Each channel programmable for
    • Input capture, output compare or buffered pulse-width modulator (PWM)
    • PWM can be edge- or center-aligned
  • 16-bit free-running or up/down (CPWM) count operation

Extensive Serial Communications

  • Dual asynchronous SCIs
    • Flexible 13-bit module-based baud rate generators
    • Double-buffered receive and transmit
    • LIN compatible
  • Synchronous SPI
    • Up to 5 Mbps
  • Inter-IC (I2C) bus
    • Multicontroller operation
    • 256 clock options

System Protection

  • Selectable low-voltage detect/reset
  • Enhanced low-voltage warning
  • COP watchdog timer

Up to 56 Input/Output (I/O) Lines

  • Programmable pull-ups
  • High-current drivers
  • Eight keyboard interrupts
  • Controlled rise/fall times minimize noise

Product Longevity Program


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    S08 Battery Calculator


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