8-bit Cost-Effective with CAN D MCUs

S08D

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We have developed the industry's first 8-bit microcontroller family with embedded CAN, embedded EEPROM and on-chip emulation/debug for the automotive and industrial markets. The S08D family offers designers scalability and flexibility of migration with pin, peripheral and tool compatibility between S08D family devices.

This highly integrated next generation family of MCUs is packed with features designed to provide increased performance, as well as save power, development time, board space and cost.

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Block Diagram

Freescale S08D Microcontroller Block Diagram

Freescale S08D Microcontroller Block Diagram
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Features

S08 CPU

  • 40 MHz core speed, 20 MHz bus speed on S08 CPU
  • HC08 instruction set with added BGND instruction

On-Chip Memory

  • Up to 128 KB flash read/program/erase over full operating voltage and temperature
  • Up to 2 KB EEPROM in-circuit programmable memory; 8-byte single-page or 4-byte dualpage erase sector; program and erase while executing flash; erase abort
  • Up to 8 KB RAM (16:1 flash/RAM, ratio better than competition)

Power Saving Modes

  • Two very low-power stop modes
  • Very low-power, real-time interrupt for use in run, wait and stop modes

Clock Source Options

  • Oscillator (XOSC)—Loop-control Pierce oscillator; crystal or ceramic resonator range of 31.25 kHz–38.4 kHz or 1 MHz–16 MHz
  • Multi-purpose clock generator (MCG)–PLL and FLL modes; internal reference clock with trim adjustment; external reference with oscillator/resonator options

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; selectable trip points
  • Illegal opcode detection with reset
  • Illegal address detection with reset
  • Flash block protect
  • EEPROM block protect

Peripherals

  • ACMPx—Analog comparators with selectable interrupt on rising, falling or either edge of comparator output; compare option to fixed internal bandgap reference voltage
  • MSCAN—CAN protocol—Version 2.0 A, B; standard and extended data frames; support for remote frames; five receive buffers with FIFO storage scheme; flexible identifier acceptance filters programmable as: 2 x 32-bit, 4 x 16-bit, or 8 x 8-bit
  • SCIx—SCI(s) with LIN 2.0 Protocol and SAE J2602 compliance; leader extended break generation; follower extended break detection; LIN follower supplement on SCI1; automatic baud rate correction; message time-out detection
  • SPI—Full-duplex or single-wire bi-directional; double-buffered transmit and receive; leader or follower mode; MSB-first or LSB-first shifting
  • I2C—Up to 100 kbps with maximum bus loading; multi-controller operation; programmable target address; interrupt-driven, byte-by-byte data transfer; broadcast mode enabled
  • TPMx—One 6-channel (TMP1) and one 2-channel (TPM2); selectable input capture, output compare or buffered edge-aligned PWM on each channel
  • RTC (Real-time counter)—8-bit modulus counter with binary or decimal-based prescaler; external clock source for precise time base, time-of-day calendar or task scheduling functions; free running, on-chip, low-power oscilator (1 kHz) for cyclic wake-up without external components

Development Support

  • Single-wire background debug (BDM) interface
  • On-chip, in-circuit emulation (ICE) with real-time bus capture

Input/Output

  • 87 general-purpose I/O pins and one input-only pin
  • 32 interrupt pins with selectable polarity on each pin
  • Hysteresis and configurable pull-up device on all input pins
  • Configurable slew rate and device strength on all output pins

Package Options

  • 100 LQFP 14 x 14 mm
  • 64-pin low-profile quad flat pack (LQFP)—10 x 10 mm
  • 48-pin LQFP—7 x 7 mm
  • 32-pin LQFP—7 x 7 mm

Miscellaneous

  • EMC performance
  • Wide operating voltage range: 2.7V–5.5V

Background Debugging System

  • On-chip BDM

Package

  • Pin-compatible with SH, QG family

Product Longevity Program

Automotive and Industrial CAN Applications

Areas of CAN Possibilities

Specific Applications

Passenger vehicle

Body
Motor control, power door, power sunroof, power lift gate, door modules, HVAC, low-end body controller (lighting, network communication)

Safety
Passenger occupant detection, electronic parking brake

Powertrain
Vacuum leak detection, electronic throttle control, watchdog

Chassis
Watchdog, motor control

Factory automation 

Conveyors, production data recording, end-user configurable systems, off-the-shelf plug-and-play capability

Industrial machine control 

Textile machines, printing machines, injection molding machines, or packaging machines

Building automation 

Manage heating, cooling, lighting, air ventilation, doors, alarm system control, sprinkler systems, backstage control systems, studio equipment including audio and video control for railway stations, school building, deep-freezers and refrigerators in some super-markets

Non-industrial equipment 

Communicate data between microscopes and other laboratory equipment, use in boilers and solar power systems, measurement systems such as petrol pump stations

Medical equipment and devices 

Operating room management, X-ray machines, patient beds, hospital control systems with voltage control, indication and control units, multi cube power meters and digital I/O, and visualization software are networked via CAN

Non-industrial control 

Vending machines, automatic teller machines (ATM), gambling machines (e.g. Japanese Patchinko machines), bank terminals, copy machines, printers

Lifts and escalators

Panels, controller, doors, drives, light barriers, etc. are linked to each other and controlled via CAN

Trucks and busses 

Power-train applications, communication between truck and trailer

Off-highway and off-road vehicles 

Position sensing, add-on sub-systems such as harvester, cranes, etc

Passenger and cargo trains 

Linking the door units or brake controllers, passenger information system connecting inside and outside displays, ticket validation devices, acoustic output devices, passenger counting units and other peripheral sub-systems

Maritime electronics 

Boats, ships and vessels as embedded network 

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