MC68HC705J1A Features - Motorola

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MC68HC705J1A

Manufacturer Part Number
MC68HC705J1A
Description
Manufacturer
Motorola
Datasheet

Specifications of MC68HC705J1A

Case
DIP-20L
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General Description
1.3 Features
Technical Data
24
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
– MOR selectable interrupt on four I/O pins, a keyboard scan
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
pulldowns on all I/O pins
feature
General Description
MC68HC705J1A — Rev. 4.0
MOTOROLA
DD

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