HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 158

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 5 Interrupt Controller
Figure 5.4 shows a block diagram of the priority decision circuit.
Interrupt Acceptance Control: In interrupt control mode 0, interrupt acceptance is controlled by
the I bit in CCR.
Table 5.6 shows the interrupts selected in each interrupt control mode.
Table 5.6
Interrupt Control Mode
0
2
Rev.6.00 Sep. 27, 2007 Page 128 of 1268
REJ09B0220-0600
Interrupt source
Interrupts Selected in Each Interrupt Control Mode (1)
Figure 5.4 Block Diagram of Interrupt Control Operation
Interrupt Mask Bits
I
0
1
*
Interrupt
control
mode 0
Interrupt control mode 2
IPR
mask control
acceptance
Interrupt
control
8-level
I2 to I0
I
Default priority
determination
Selected Interrupts
All interrupts
NMI interrupts
All interrupts
Vector number
*: Don't care