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D17133CS Datasheet(PDF) 171 Page - NEC

Part # D17133CS
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  289 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

D17133CS Datasheet(HTML) 171 Page - NEC

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CHAPTER 14
INTERRUPT FUNCTIONS
156
Figure 14-4. Interrupt Acceptance Timing Chart (when INTE=1, IP
×××=1) (2/3)
<4> When an interrupt has occurred before M2 of a MOVT instruction
Machine cycle
Instruction
IRQ
×××
M0
MOVT instruction
INT cycle
M1
M2
M3
M0
M1
M2
M3
M0
M1
M2
M3
M0
M1
Vector address
instruction
Interrupt occurrence recognized
<5> When an interrupt has occurred before M2' of a MOVT instruction
Machine cycle
Instruction
IRQ
×××
M0
MOVT instruction
INT cycle
M1
M2
M3
M0
M1
M2
M3
M0
M1
M2
M3
M0
M1
Vector address
instruction
Interrupt occurrence recognized
<6> When an interrupt has occurred before M2 of an EI instruction
Machine cycle
Instruction
IRQ
×××
M0
EI instruction
INT cycle
M1
M2
M3
M0
M1
M2
M3
M0
M1
M2
M3
M0
M1
Vector address
instruction
Interrupt occurrence recognized
An instruction other than MOVT or EI
<7> When an interrupt has occurred after M2 of an EI instruction
Machine cycle
Instruction
IRQ
×××
M0
EI instruction
INT cycle
M1
M2
M3
M0
M1
M2
M3
M0
M1
M2
M3
M0
M1
Vector address
instruction
Interrupt occurrence recognized
An instruction other than MOVT or EI



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