92
5.1.2
Block Diagram
A block diagram of the interrupt controller is shown in Figure 5-1.
SYSCR
NMI input
IRQ input
Internal interrupt
request
SWDTEND to
TEI4
INTM1, INTM0
NMIEG
NMI input unit
IRQ input unit
ISR
ISCR
IER
IPR
Interrupt controller
Priority
determination
Interrupt
request
Vector
number
I
I2 to I0
CCR
EXR
CPU
ISCR
IER
ISR
IPR
SYSCR
: IRQ sense control register
: IRQ enable register
: IRQ status register
: Interrupt priority register
: System control register
Legend
Figure 5-1 Block Diagram of Interrupt Controller
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...