M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 89

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Fig. 4.10.5 Switching flow of occurrence factor of INT
INT
INT
4.10.2 Switch of occurrence factor of INT
To switch the occurrence factor of INT
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___
i
i
interrupt control register in the sequence shown in Figure 4.10.5 (1). To change the polarity, set the
interrupt control register in the sequence shown in Figure 4.10.5 (2).
(1) Switching from level sense to edge sense
Notes 1: Use the SEB or CLB instruction when setting the INT
Clear level sense/edge sense select bit to “0”
(Enable acceptance of
Set the interrupt priority level to level 1–7
Set the interrupt priority level to level 0
Clear interrupt request bit to “0”
2: Perform the above setting separately. Do not perform 2 or more setting at the
( Disable
same time, with 1 instruction.
register (i = 0 to 2).
( Select edge sense )
INT
i
INT
interrupt )
i
interrupt request)
___
i
7702/7703 Group User’s Manual
interrupt request from the level sense to the edge sense, set the
___
i
interrupt request
___
4.10 External interrupts (INT
i
(2) Changing polarity
interrupt request
(Enable acceptance of
Set the interrupt priority level to level 1–7
Set the interrupt priority level to level 0
Clear interrupt request bit to “0”
( Disable
Set polarity select bit
i
interrupt control
INT
INT
INTERRUPTS
i
interrupt )
i
interrupt request)
___
i
interrupt)
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