SH7785 Datasheet, PDF (312/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

10. Interrupt Controller (INTC)
(3) Interrupt Priority Register (INTPRI)
INTPRI is a 32-bit readable/writable register used to set the priorities of IRQ[7:0] (as levels from
15 to 0). These settings are only valid for IRQ/IRL7 to IRQ/IRL4 or IRQ/IRL3 to IRQ/IRL0 when
set up as individual IRQ interrupts (IRQ7 to IRQ0 interrupts) by setting the IRLM0 or IRLM1 bit
in ICR0 to 1.
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IP0
IP1
IP2
IP3
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
IP4
IP5
IP6
IP7
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial
Bit
Name Value R/W Description
31 to 28 IP0 H'0 R/W Set the priority of IRQ0 as an individual pin interrupt request.
27 to 24 IP1 H'0 R/W Set the priority of IRQ1 as an individual pin interrupt request.
23 to 20 IP2 H'0 R/W Set the priority of IRQ2 as an individual pin interrupt request.
19 to 16 IP3 H'0 R/W Set the priority of IRQ3 as an individual pin interrupt request.
15 to 12 IP4 H'0 R/W Set the priority of IRQ4 as an individual pin interrupt request.
11 to 8 IP5 H'0 R/W Set the priority of IRQ5 as an individual pin interrupt request.
7 to 4 IP6 H'0 R/W Set the priority of IRQ6 as an individual pin interrupt request.
3 to 0 IP7 H'0 R/W Set the priority of IRQ7 as an individual pin interrupt request.
Note: Interrupt priorities are established by setting values from H'F to H'1 in each of the 4-bit
fields. A larger value corresponds to a higher priority. When the value H'0 is set in a field,
the corresponding interrupt request is masked (initial value).
Rev.1.00 Jan. 10, 2008 Page 282 of 1658
REJ09B0261-0100