HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 120
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HD6417606
Manufacturer Part Number
HD6417606
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417606.pdf
(532 pages)
- Current page: 120 of 532
- Download datasheet (4Mb)
Section 6 Interrupt Controller (INTC)
6.3.4
Interrupt priority registers are five 16-bit readable/writable registers that set priority levels from 0
to 15 for interrupts except NMI. For the correspondence between interrupt request sources and
IPR, refer to table 6.2. Each of the corresponding interrupt priority ranks are established by setting
a value from H'0 to H'F in each of the four-bit groups 15 to 12, 11 to 8, 7 to 4 and 3 to 0. Reserved
bits that are not assigned should be set H'0 (B'0000).
Rev. 4.00 Sep. 13, 2007 Page 94 of 502
REJ09B0239-0400
Bit
15
14
13
12
Interrupt Priority Registers A to E (IPRA to IPRE)
Bit Name
IPR15
IPR14
IPR13
IPR12
Initial
Value
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Set priority levels for the corresponding interrupt
source.
0000: Priority level 0 (lowest)
0001: Priority level 1
0010: Priority level 2
0011: Priority level 3
0100: Priority level 4
0101: Priority level 5
0110: Priority level 6
0111: Priority level 7
1000: Priority level 8
1001: Priority level 9
1010: Priority level 10
1011: Priority level 11
1100: Priority level 12
1101: Priority level 13
1110: Priority level 14
1111: Priority level 15 (highest)
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