M32CSLASH8A datasheet(356/372 Pages) RENESAS

Part #	M32C/8A

Description	RENESAS MCU M16C FAMILY / M32C/80 Series

PDF	372 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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M32C/8A Group

24. Usage Notes

Rev.1.00

Jul 15, 2007

Page 339 of 352

REJ09B0385-0100

Figure 24.3

Switching Procedure for INTi (i = 0 to 5) Interrupt Source

Start

INTiIC register: POL bit

LVS bit = 0

IFSR register: IFSRi bit

INTiIC register: bits ILVL2 to ILVL0 = 000b

Interrupt disabled

Select polarity (Set to 0 when both edges are selected)

Select edge sensitive

Select either one edge or both edge

INTiIC register: IR bit = 0

Clear the interrupt request bit

End

< Procedure for Edge Sensitive >

< Procedure for Level Sensitive >

i = 0 to 5

Start

INTiIC register: POL bit

LVS bit = 1

IFSR register: IFSRi bit = 0

INTiIC register: bits ILVL2 to ILVL0 = 000b

Interrupt disabled

Select polarity

Select level sensitive

Select one edge

End

INTiIC register: bits ILVL2 to ILVL0

Interrupt enabled

INTiIC register: IR bit = 0

Clear the interrupt request bit

INTiIC register: bits ILVL2 to ILVL0

Interrupt enabled

M32C/8A Datasheet(PDF) 356 Page - Renesas Technology Corp