Hitachi H8/3008 Hardware Manual page 547

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
Initial value
Read/Write
• Interrupt sources controlled by each bit
Bit
IPRB
Interrupt
source
7 6
Bit
IPRA7 IPRA6
0 0
R/W R/W
Bit 7 Bit 6
IPRA7 IPRA6
IRQ IRQ
0 1
7 6 5
IPRB7 IPRB6
0 0 0
R/W R/W R/W
Priority level B7, B6, B3, and B2
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
Bit 7 Bit 6
IPRB7 IPRB6
8-bit timer 8-bit timer
channels channels
0 and 1 2 and 3
H'EE018
5 4 3
IPRA5 IPRA4 IPRA3
0 0 0
R/W R/W R/W
Priority level A7 to A0
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
Bit 5 Bit 4 Bit 3
IPRA5 IPRA4 IPRA3
IRQ , IRQ , WDT,
2 4
IRQ IRQ A/D con-
3 5
verter
H'EE019
4 3
IPRB3
0 0
R/W R/W
Bit 4 Bit 3
Bit 5
IPRB3
SCI
channel 0
Interrupt Controller
2 1 0
IPRA2 IPRA1 IPRA0
0 0 0
R/W R/W R/W
Bit 2 Bit 1 Bit 0
IPRA2 IPRA1 IPRA0
16-bit 16-bit 16-bit
timer timer timer
channel 0 channel 1 channel 2
Interrupt Controller
2 1 0
IPRB2
0 0 0
R/W R/W R/W
Bit 2 Bit 1
IPRB2
SCI
channel 1
Bit 0
531