MC68HC705J1ACPE Datasheet, PDF (24/162 Pages) Freescale Semiconductor, Inc – Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.
General Description
1.3 Features
Features of the MC68HC705J1A include:
• Peripheral modules:
– 15-stage multifunction timer
– Computer operating properly (COP) watchdog
• 14 bidirectional input/output (I/O) lines, including:
– 10-mA sink capability on four I/O pins
– Mask option register (MOR) and software programmable
pulldowns on all I/O pins
– MOR selectable interrupt on four I/O pins, a keyboard scan
feature
• MOR 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
– External clock
• 1240 bytes of EPROM/OTPROM, including eight bytes for user
vectors
• 64 bytes of user random-access memory (RAM)
• 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 V_DD
Technical Data
MC68HC705J1A — Rev. 4.0
General Description
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