UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 241
UPD78F9418AGK-9EU
Manufacturer Part Number
UPD78F9418AGK-9EU
Description
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F9418AGK-9EU.pdf
(322 pages)
Specifications of UPD78F9418AGK-9EU
Lead Free Status / Rohs Status
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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9418AGK-9EU
Manufacturer:
NEC
Quantity:
20 000
Company:
Part Number:
UPD78F9418AGK-9EU-A
Manufacturer:
Renesas Electronics America
Quantity:
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CPU processing
TMIF4
NMI request
(first)
Figure 15-9. Flowchart of Non-Maskable Interrupt Request Acknowledgment
Figure 15-10. Timing of Non-Maskable Interrupt Request Acknowledgment
Main routine
Instruction
Figure 15-11. Non-Maskable Interrupt Request Acknowledgment
WDTM: Watchdog timer mode register
WDT:
Interrupt request is generated
Interrupt servicing is started
(non-maskable interrupt
(watchdog timer mode
Watchdog timer
CHAPTER 15 INTERRUPT FUNCTIONS
NMI request
(second)
WDTM4 = 1
is selected)
is selected)
WDTM3 = 0
overflows
WDT
Start
User’s Manual U13952EJ3V1UD
Yes
Yes
Yes
Instruction
First interrupt servicing
No
No
No
Reset processing
Interval timer
Saving PSW and PC, and
jump to interrupt servicing
Second interrupt servicing
Interrupt servicing program
239
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