M32C8A Datasheet, PDF (129/372 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 Series

M32C/8A Group
11. Interrupts
< Procedure for Edge Sensitive >
Start
INTiIC register: bits ILVL2 to ILVL0 = 000b
IFSR register: IFSRi bit
INTiIC register: POL bit
LVS bit = 0
INTiIC register: IR bit = 0
INTiIC register: bits ILVL2 to ILVL0
End
< Procedure for Level Sensitive >
Start
INTiIC register: bits ILVL2 to ILVL0 = 000b
IFSR register: IFSRi bit = 0
INTiIC register: POL bit
LVS bit = 1
INTiIC register: IR bit = 0
INTiIC register: bits ILVL2 to ILVL0
End
Interrupt disabled
Select either one edge or both edge
Select polarity (Set to 0 when both edges are selected)
Select edge sensitive
Clear the interrupt request bit
Interrupt enabled
Interrupt disabled
Select one edge
Select polarity
Select level sensitive
Clear the interrupt request bit
Interrupt enabled
i = 0 to 5
Figure 11.11 INTi Interrupt Setting Procedures (i = 0 to 5)
Rev.1.00 Jul 15, 2007 Page 112 of 352
REJ09B0385-0100