mc68hc05p4a Freescale Semiconductor, Inc, mc68hc05p4a Datasheet - Page 12

• Manufacturer Part Number: mc68hc05p4a
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

General Description
1.3 Mask Options
The MC68HC05P4A has 13 mask options:
All mask options and the user ROM are programmed on the 01 layer in fabrication.
1.4 MCU Structure
Figure 1-1
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CLOCK, RC or crystal
IRQ, edge-sensitive only or edge- and level-sensitive
SIOP, most significant bit (MSB) or least significant bit (LSB) first
COP watchdog timer, enable/disable
Keyscan pullups and interrupts on port A, enable/disable by pin
STOP instruction
shows the structure of the MC68HC05P4A.
Negative true signals like RESET and IRQ will be denoted with an overline.
MC68HC05P4A Data Sheet, Rev. 7.1
NOTE
Freescale Semiconductor