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PDF HD6417727 Data sheet ( Hoja de datos )
| Número de pieza | HD6417727 | |
| Descripción | MICROPROCESSOR | |
| Fabricantes | Hitachi | |
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omTo all our customers
U.cRegarding the change of names mentioned in the document, such as
t4Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
SheeThe semiconductor operations of Mitsubishi Electric and Hitachi were
tatransferred to Renesas Technology Corporation on April 1st 2003.
aThese operations include microcomputer, logic, analog and discrete devices,
.Dand memory chips other than DRAMs (flash memory, SRAMs etc.)
w Accordingly, although Hitachi, Hitachi, Ltd., Hitachi Semiconductors,
w and other Hitachi brand names are mentioned in the document, these names
w have in fact all been changed to Renesas Technology Corp.
Thank you for your understanding. Except for our corporate trademark,
logo and corporate statement, no changes whatsoever have been made to the
mcontents of the document, and these changes do not constitute any alteration
to the contents of the document itself.
.coRenesas Technology Home Page: www.renesas.com
et4URenesas Technology Corp.
Customer Support Dept.
www.DataSheApril 1, 2003
Renesas Technology Cwowrpw..DataSheet4U.com
1 page  
Rev. 4.0, 01/03, page iv of lxxxii
5 Page 
Item
Page
7.4.1 Interrupt Sequence 189
Figure 7.3 Interrupt
Operation Flowchart
Revisions (See Manual for Details)
Figure replaced
Program
execution state
No
ICR1.BLMSK = 1?
Yes
NMI?
No
Yes
Yes
= low
Set interrupt cause in
INTEVT, INTEVT2
Save SR to SSR;
save PC to SPC
Set BL/MD/RB
bits in SR to 1
Branch to exception
handler
No
NMI?
Yes
ICR1.MAI = 1?
No No
Interrupt
generated?
Yes
SR.BL= 0
or sleep mode?
Yes
Yes
NMI = low?
No
No
Level 15
interrupt?
Yes
I3 I0 level
14 or lower?
No
Yes
No
Level 14
interrupt?
Yes
I3 I0 level
13 or lower?
No
Yes
Yes
No
Level 1
interrupt?
Yes
I3 I0
level 0?
No
No
I3 I0: Interrupt mask bits in status register (SR)
Rev. 4.0, 01/03, page x of lxxxii
11 Page | ||
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