8-bit USB Cost-Effective JM MCUs

Block Diagram

Freescale S08JM Microcontroller Block Diagram

Freescale S08JM Microcontroller Block Diagram

Features

8-bit HCS08 Central Processing Unit (CPU)

  • Up to 24 MHz internal bus (48 MHz HCS08 core) frequency offering 2.7 to 5.5V across temperature range of -40°C to +85°C
  • Support for up to 32 peripheral interrupt/reset sources

On-Chip Memory

  • Up to 60K flash read/program/erase over full operating voltage and temperature
  • Up to 4K RAM
  • 256 Byte USB RAM

Power-Saving Modes

  • Wait plus two stop modes
  • Multi-purpose clock generator (MCG)

Peripherals

  • USB Device Module
  • Analog comparators (ACMP)—Analog comparator with option to compare to internal reference
  • Analog to digital converter (ADC)—12-channel, 12-bit resolution
  • Two serial communications interface (SCI) modules offering asynchronous communications
  • I²C with up to 100 kbps maximum bus loading
    • multi-controller operation
    • programmable target address
    • interrupt driven byte-by-byte data transfer
    • supports broadcast mode and 10-bit addressing
  • SPI—Two serial peripheral interfaces with full-duplex or single-wire bidirectional
    • double-buffered transmit and receive
    • leader or follower mode;
    • MSB-first or LSB-first shifting
  • Timer pulse width modulation (TPM)—Up to eight channels

Input/Output

  • Up to eight keyboard interrupt (KBI) pins with selectable polarity
  • 51 general-purpose input/outputs (GPIO) and one input-only and one output-only pin

System Protection

  • Watchdog computer operating properly (COP) reset
    • option to run from dedicated 1 kHz internal clock source or bus clock
  • Low-voltage detection with reset or interrupt
    • selectable trip points
  • Illegal op code detection with reset
  • Flash block protection

Hardware Development Support

  • Single-wire background debug interface
  • Breakpoint capability
  • On-chip in-circuit emulator (ICE) debug module

Buy/Parametrics










































































































Documentation

Quick reference to our documentation types.

1-10 of 49 documents

Compact List

Application Note (19)
Application Note Software (5)
Brochure (2)
Data Sheet (2)
Errata (2)
Fact Sheet (2)
Product Brief (1)
Product Change Notice (2)
Quick Reference Guide (1)
Reference Manual (6)
Reliability and Quality Information (3)
Supporting Information (1)
User Guide (3)

Design Files

Hardware

Quick reference to our board types.

1-5 of 11 hardware offerings

Show All

Software

Quick reference to our software types.

1-5 of 13 software files

Show All

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

2 engineering services

To find additional partner offerings that support this product, visit our Partner Marketplace.

Support