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CHAPTER 14 INTERRUPT FUNCTIONS ........................................................................................
145
14.1 INTERRUPT SOURCES AND VECTOR ADDRESS.........................................................
14.2 HARDWARE COMPONENTS OF THE INTERRUPT CONTROL CIRCUIT ....................
14.2.1
Interrupt Request Flag (IRQ
×××
) and the Interrupt Enable Flag (IP
×××
)...........................
14.2.2
EI/DI Instruction...................................................................................................................
14.3 INTERRUPT SEQUENCE ..................................................................................................
14.3.1
Acceptance of Interrupts ....................................................................................................
14.3.2
Return from the Interrupt Routine .....................................................................................
14.3.3
Interrupt Acceptance Timing...............................................................................................
14.4 PROGRAM EXAMPLE OF INTERRUPT...........................................................................
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CHAPTER 15 STANDBY FUNCTIONS ...........................................................................................
161
15.1 OUTLINE OF STANDBY FUNCTION...............................................................................
15.2 HALT MODE ......................................................................................................................
15.2.1
HALT Mode Setting.............................................................................................................
15.2.2
Start Address after HALT Mode is Canceled.....................................................................
15.2.3
HALT Setting Condition.......................................................................................................
15.3 STOP MODE ......................................................................................................................
15.3.1
STOP Mode Setting ............................................................................................................
15.3.2
Start Address after STOP Mode Cancellation....................................................................
15.3.3
STOP Setting Condition ......................................................................................................
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CHAPTER 16 RESET ........................................................................................................................
171
16.1 RESET FUNCTIONS..........................................................................................................
16.2 RESETTING........................................................................................................................
16.3 POWER-ON/POWER-DOWN RESET FUNCTION ..........................................................
16.3.1
Conditions Required to Enable the Power-On Reset Function.........................................
16.3.2
Description and Operation of the Power-On Reset Function ...........................................
16.3.3
Condition Required for Use of the Power-Down Reset Function ....................................
16.3.4
Description and Operation of the Power-Down Reset Function ......................................
171
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CHAPTER 17 ONE-TIME PROM WRITING/VERIFYING...............................................................
179
17.1 DIFFERENCES BETWEEN MASK ROM VERSION AND
ONE-TIME PROM VERSION ............................................................................................
17.2 OPERATING MODE IN PROGRAM MEMORY WRITING/VERIFYING.........................
17.3 WRITING PROCEDURE OF PROGRAM MEMORY ........................................................
17.4 READING PROCEDURE OF PROGRAM MEMORY........................................................
179
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182
CHAPTER 18 INSTRUCTION SET ..................................................................................................
185
18.1 OVERVIEW OF THE INSTRUCTION SET .......................................................................
18.2 LEGEND .............................................................................................................................
18.3 LIST OF THE INSTRUCTION SET ...................................................................................
18.4 ASSEMBLER (AS17K) MACRO INSTRUCTIONS ..........................................................
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