MC68HC705KJ1CDW

8Bit Microcontrollers - MCU 8Bit 4MHz

Features

Features on the MC68HC705KJ1 include:

• Robust noise immunity

• 4.0-MHz internal operating frequency at 5.0 V

• 1240 Bytes of EPROM/OTPROM electrically programmable read-only memory/one-time

   programmable read-only memory, including eight bytes for user vectors

• 64 bytes of user RAM

• Peripheral modules:

   – 15-stage multifunction timer

   – Computer operating properly COP watchdog

• 10 bidirectional input/output I/O lines, including:

   – 10-mA sink capability on all I/O pins

   – Software programmable pulldowns on all I/O pins

   – Keyboard scan with selectable interrupt on four I/O pins

   – 5.5-mA source capability on six I/O pins

• Selectable sensitivity on external interrupt edge- and level-sensitive or edge-sensitive only

• On-chip oscillator with connections for:

   – Crystal

   – Ceramic resonator

   – Resistor-capacitor RC oscillator MC68HRC705KJ1 with or without external resistor

   – External clock

   – Low-speed 32-kHz crystal MC68HLC705KJ1

• Memory-mapped I/O registers

• Fully static operation with no minimum clock speed

• Power-saving stop, halt, wait, and data-retention modes

• External interrupt mask bit and acknowledge bit

• Illegal address reset

• Internal steering diode and pullup resistor from RESET pin to VDD

• Selectable EPROM security1

• Selectable oscillator bias resistor