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UPD17133GT-XXX Datasheet(PDF) 10 Page - NEC

Part # UPD17133GT-XXX
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
Download  289 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17133GT-XXX Datasheet(HTML) 10 Page - NEC

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CHAPTER 14 INTERRUPT FUNCTIONS ........................................................................................
145
14.1 INTERRUPT SOURCES AND VECTOR ADDRESS.........................................................
146
14.2 HARDWARE COMPONENTS OF THE INTERRUPT CONTROL CIRCUIT ....................
147
14.2.1
Interrupt Request Flag (IRQ
×××) and the Interrupt Enable Flag (IP×××)...........................
147
14.2.2
EI/DI Instruction ...................................................................................................................
147
14.3 INTERRUPT SEQUENCE ..................................................................................................
152
14.3.1
Acceptance of Interrupts ....................................................................................................
152
14.3.2
Return from the Interrupt Routine .....................................................................................
154
14.3.3
Interrupt Acceptance Timing ...............................................................................................
155
14.4 PROGRAM EXAMPLE OF INTERRUPT ...........................................................................
158
CHAPTER 15 STANDBY FUNCTIONS ...........................................................................................
161
15.1 OUTLINE OF STANDBY FUNCTION ...............................................................................
161
15.2 HALT MODE ......................................................................................................................
163
15.2.1
HALT Mode Setting .............................................................................................................
163
15.2.2
Start Address after HALT Mode is Canceled .....................................................................
163
15.2.3
HALT Setting Condition .......................................................................................................
165
15.3 STOP MODE ......................................................................................................................
167
15.3.1
STOP Mode Setting ............................................................................................................
167
15.3.2
Start Address after STOP Mode Cancellation ....................................................................
167
15.3.3
STOP Setting Condition ......................................................................................................
169
CHAPTER 16 RESET ........................................................................................................................
171
16.1 RESET FUNCTIONS ..........................................................................................................
171
16.2 RESETTING ........................................................................................................................
172
16.3 POWER-ON/POWER-DOWN RESET FUNCTION ..........................................................
173
16.3.1
Conditions Required to Enable the Power-On Reset Function .........................................
173
16.3.2
Description and Operation of the Power-On Reset Function ...........................................
174
16.3.3
Condition Required for Use of the Power-Down Reset Function ....................................
176
16.3.4
Description and Operation of the Power-Down Reset Function ......................................
176
CHAPTER 17 ONE-TIME PROM WRITING/VERIFYING ...............................................................
179
17.1 DIFFERENCES BETWEEN MASK ROM VERSION AND
ONE-TIME PROM VERSION ............................................................................................
179
17.2 OPERATING MODE IN PROGRAM MEMORY WRITING/VERIFYING.........................
180
17.3 WRITING PROCEDURE OF PROGRAM MEMORY ........................................................
181
17.4 READING PROCEDURE OF PROGRAM MEMORY ........................................................
182
CHAPTER 18 INSTRUCTION SET ..................................................................................................
185
18.1 OVERVIEW OF THE INSTRUCTION SET .......................................................................
185
18.2 LEGEND .............................................................................................................................
186
18.3 LIST OF THE INSTRUCTION SET ...................................................................................
187
18.4 ASSEMBLER (AS17K) MACRO INSTRUCTIONS ..........................................................
188


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