HD6413008VF25 Datasheet, PDF (129/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

5. Interrupt Controller
Interrupt Priority Register B (IPRB): IPRB is an 8-bit readable/writable register in which
interrupt priority levels can be set.
Bit
Initial value
Read/Write
7
6
5
IPRB7 IPRB6 ⎯
0
0
0
R/W
R/W R/W
4
3
2
1
⎯
IPRB3 IPRB2
⎯
0
0
0
0
R/W
R/W
R/W
R/W
0
⎯
0
R/W
Reserved bit
Priority level B2
Selects the priority level of
SCI channel 1 interrupt requests
Reserved bits
Priority level B3
Selects the priority level of SCI
channel 0 interrupt requests
Priority level B6
Selects the priority level of 8-bit timer channel 2, 3 interrupt requests
Priority level B7
Selects the priority level of 8-bit timer channel 0, 1 interrupt requests
IPRB is initialized to H'00 by a reset and in hardware standby mode.
Bit 7—Priority Level B7 (IPRB7): Selects the priority level of 8-bit timer channel 0, 1 interrupt
requests.
Bit 7
IPRB7
0
1
Description
8-bit timer channel 0 and 1 interrupt requests have priority level 0 (low priority)
(Initial value)
8-bit timer channel 0 and 1 interrupt requests have priority level 1 (high priority)
Rev.4.00 Aug. 20, 2007 Page 83 of 638
REJ09B0395-0400