8-bit with LCD Driver LA MCUs

RS08LA

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Our RS08 microcontrollers (MCUs) with LCD drivers are highly integrated but extremely cost-effective. The MC9RS08LA8 and MC9RS08LE4 MCUs are intended for small appliances, medical equipment and other industrial and multi-market applications.

The LA and LE families provide design flexibility with a large segment-based (8x mode) driver and an integrated charge pump to provide true system-on-chip (SoC) functionality.

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Features

8-bit RS08 Central Processor Unit (CPU)

  • Up to 10 MHz (bus frequency) RS08 CPU at 2.7V for 100 ns minimum instruction time
  • Subset of HCS08 instruction set with added BGND instruction

LCD Driver and Internal Charge Pump

  • Integrated LCD driver supports both standard 3V and 5V LCD glass
  • Configurable display for 8 x 21 or 4 x 25 segment display
  • Capable of running in STOP mode
  • Internal charge pump for LCD
  • Front plane (FP) and black plane (BP) re-assignments
  • LCD driver pins are muxed with GPIO and other functions

On-Chip Memory

  • Up to 8 KB flash over full operating voltage and temperature
  • 2.7V to 5.5V RAM

Peripherals

  • Analog-to-digital converter (ADC)
    • 2.5 µs conversion time
    • Automatic compare function
    • Internal temperature sensor
    • Internal bandgap reference channel
    • Operation in STOP mode
  • 6-channel,10-bit resolution
  • One 2-channel timer
  • Serial communications interface (SCI)—module offering asynchronous communications,13-bit break option, flexible baud rate generator, double buffered transmit and receive and optional H/W parity checking and generation
  • Analog comparator with selectable interrupt on rising, falling or either edge of comparator output; compare option to fixed internal bandgap reference voltage; outputs can be optionally routed to TPM module (LA8 only)
  • Serial peripheral interface (SPI)—one module with full-duplex or single-wire bidirectional; double-buffered transmit and receive; leader or follower mode; MSB-first or LSB-first shifting (LA8 only)

Input/Output

  • 33 general purpose input/output (GPIO), one output-only pin and one input-only pin
  • Eight keyboard interrupt (KBI) pins with selectable polarity

System Protection

  • Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source
  • Low-voltage detection with reset or interrupt
  • Illegal op code and illegal address detection with reset
  • Flash protection

Development Support

  • Single-wire background debug interface
  • Breakpoint capability

Real-Time Interrupt

  • Real-time interrupt trigger with 3-bit prescaler
  • Built-in low-power 1 kHz clock source

Up to 18 GPIOs

  • Software selectable pull-ups on ports when used as input (internal pull-up on RESET)
  • Software selectable slew rate control on ports when used on output
  • 8-pin keyboard interrupt module with software selectable polarity on edge or edge/level modes

System Protection

  • Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source or bus clock
  • Low voltage detection with reset or interrupt
  • Illegal opcode and illegal address detection with reset
  • Security feature for flash

Background Debugging System

  • On-chip BDM

Package

  • Pin-compatible with SH, QG family

  • Consumer
    • Room Air Conditioning System
    • Mobile Phones
    • Small Appliances
    • Toys
    • Power Tools
  • Industrial
    • Gas and Water Meter
    • Low-End Meters
    • Human Machine Interface (HMI)
    • HVAC Building and Control Systems
    • Timers
    • LCD Control Panel
    • Signage
    • Industrial AC Drive
  • Medical/Healthcare
    • Fetal Heart Rate Monitors

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