Features

Features of the MC68HC705E5 include:

• Low Cost

• HC05 Core

• 28-Pin Package

• On-Chip Oscillator (Crystal or Ceramic Resonator)

• Phase-Locked Loop (PLL) Synthesizer with Programmable Speed

• Synchronous Serial Interface (SSI) with Interrupts and Most

Significant Bit (MSB) or Least Significant Bit (LSB) First

• M-Bus (I2C) Communication Port

• 5120 Bytes of User EPROM (Including 16 Bytes of EPROM User

Vectors)

• 384 Bytes of On-Chip RAM

• 15-Stage Multifunctional Timer with Programmable Input

• Real-Time Interrupt Circuit

• Computer Operating Properly (COP) Watchdog Timer Mask

Option

• Custom Periodic Interrupt Circuit

• 20 Bidirectional I/O Lines

• Single-Chip Mode

• Bootloader Mode

• Power-Saving Stop and Wait Modes

• Edge-Only Sensitive or Edge- and Level-Sensitive Interrupt

Trigger Mask Option

• STOP Instruction Disable Mask Option

• System Control and Status Register

• Illegal Address Reset