UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 237

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Symbol
INTM1
(4)
Cautions 1. Bits 2 to 5 must be fixed to 0.
External interrupt mode register 1 (INTM1)
INTM1 is used to specify a valid edge for INTP3 and INTCMP0.
INTM1 is set using an 8-bit memory manipulation instruction.
RESET input sets INTM1 to 00H.
ES61 ES60
ES61
ES31
7
0
0
1
1
0
0
1
1
2. Before setting INTM1, set the corresponding interrupt mask flag register to 1 to disable
interrupts. After that, clear (0) the corresponding interrupt request flag to enable interrupts,
then clear the corresponding interrupt mask flag register.
ES60
ES30
6
0
1
0
1
0
1
0
1
Falling edge
Rising edge
Setting prohibited
Both rising and falling edges
Falling edge
Rising edge
Setting prohibited
Both rising and falling edges
5
0
Figure 15-5. Format of External Interrupt Mode Register 1
4
0
3
0
CHAPTER 15 INTERRUPT FUNCTIONS
2
0
User’s Manual U13952EJ3V1UD
ES31 ES30
1
INTCMP0 valid edge selection
INTP3 valid edge selection
0
Address
FFEDH
After reset
00H
R/W
R/W
235