Details, datasheet, quote on part number: 68HC05PL4B
Part68HC05PL4B
Category
DescriptionIndustry Standard 8-bit M68hc05 CPU core
CompanyMotorola Semiconductor Products
DatasheetDownload 68HC05PL4B datasheet
  

 

Features, Applications

April 30, 1998 Consumer Systems Group Semiconductor Products Sector

TABLE OF CONTENTS Section SECTION 1 GENERAL DESCRIPTION FEATURES...................................................................................................... 1-1 MCU BLOCK DIAGRAM.................................................................................. 1-2 PIN ASSIGNMENTS........................................................................................ 1-3 PIN DESCRIPTIONS....................................................................................... 1-4 VDD, VSS.................................................................................................... OSC2............................................................................................... 1-4 RESET......................................................................................................... 1-4 LED/IRQ...................................................................................................... PC0-PC7...................................................................................................... 1-6 SECTION 2 MEMORY MAP................................................................................................ 2-1 I/O REGISTERS.............................................................................................. 2-2 RAM................................................................................................................. 2-2 ROM................................................................................................................. 2-2 COP WATCHDOG REGISTER (COPR).......................................................... 2-2 SECTION 3 CENTRAL PROCESSING UNIT REGISTERS.................................................................................................... 3-1 ACCUMULATOR (A)....................................................................................... 3-2 INDEX REGISTER (X)..................................................................................... 3-2 STACK POINTER (SP).................................................................................... 3-2 PROGRAM COUNTER (PC)........................................................................... 3-2 CONDITION CODE REGISTER (CCR)........................................................... 3-3 Half Carry Bit (H-Bit).................................................................................... 3-3 Interrupt Mask (I-Bit).................................................................................... 3-3 Negative Bit (N-Bit)...................................................................................... 3-3 Zero Bit (Z-Bit)............................................................................................. 3-3 Carry/Borrow Bit (C-Bit)............................................................................... 3-4 SECTION 4 INTERRUPTS INTERRUPT VECTORS.................................................................................. 4-1 INTERRUPT PROCESSING........................................................................... 4-2 SOFTWARE INTERRUPT............................................................................... 4-4 EXTERNAL INTERRUPT................................................................................ 4-4 LED/IRQ Pin................................................................................................ 4-4


 

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