Renesas H8/3067 Series User Manual page 824

Appendix B Internal I/O Registers
IPRA—Interrupt Priority Register A
Initial value
Read/Write
• Interrupt sources controlled by each bit
Bit
IPRA
Interrupt
source
IPRB—Interrupt Priority Register B
Bit
IPRB7
Initial value
Read/Write
• Interrupt sources controlled by each bit
Bit
IPRB 8-bit timer
Interrupt
channels
source
0 and 1
Rev. 4.00 Jan 26, 2006 page 800 of 938
REJ09B0276-0400
7 6
Bit
IPRA7 IPRA6 IPRA5
0 0
R/W R/W R/W
Bit 7 Bit 6 Bit 5
IPRA7 IPRA6 IPRA5
IRQ IRQ IRQ
0 1
IRQ
7 6 5
IPRB6 IPRB5
0 0 0
R/W R/W R/W
Priority level B7 to B5, B3 to B1
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
Bit 7 Bit 6 Bit 5
IPRB7 IPRB6 IPRB5
8-bit timer
DMAC
channels
2 and 3
H'EE018
5 4 3
IPRA4 IPRA3 IPRA2
0 0 0
R/W R/W R/W
Priority level A7 to A0
Priority level 0 (low priority)
0
1 Priority level 1 (high priority)
Bit 4 Bit 3 Bit 2
IPRA4 IPRA3 IPRA2
, IRQ , WDT, 16-bit
2 4
IRQ DRAM timer
3 5
interface, channel 0
A/D converter
H'EE019
4 3 2

IPRB3 IPRB2
0 0 0
R/W R/W R/W
Bit 4
Bit 3

IPRB3

SCI
channel 0
Interrupt Controller
2 1 0
IPRA1 IPRA0
0 0 0
R/W R/W
Bit 1 Bit 0
IPRA1 IPRA0
16-bit 16-bit
timer timer
channel 1 channel 2
Interrupt Controller
1 0

IPRB1
0 0
R/W R/W
Bit 0
Bit 2 Bit 1

IPRB2 IPRB1

SCI SCI
channel 1 channel 2