External Interrupt Mode Register 1 Format - NEC PD78076 User Manual

Pd78078 series; pd78078y series 8-bit single-chip microcontrollers
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(3) External interrupt mode register 1 (INTM1)
This register sets the valid edge for INTP3 to INTP6.
INTM1 is set with an 8-bit memory manipulation instruction.
RESET input sets INTM1 to 00H.
Figure 15-4. External Interrupt Mode Register 1 Format
7
6
5
Symbol
ES71
ES70
ES61 ES60
INTM1
CHAPTER 15 A/D CONVERTER
4
3
2
1
0
ES51
ES50 ES41 ES40
After
Address
R/W
Reset
FFEDH
00H
R/W
ES41
ES40
INTP3 Valid Edge Selection
0
0
Falling edge
0
1
Rising edge
1
0
Setting prohibited
1
1
Both falling and rising edges
ES51
ES50
INTP4 Valid Edge Selection
0
0
Falling edge
0
1
Rising edge
1
0
Setting prohibited
1
1
Both falling and rising edges
ES61
ES60
INTP5 Valid Edge Selection
0
0
Falling edge
0
1
Rising edge
1
0
Setting prohibited
1
1
Both falling and rising edges
ES71
ES70
INTP6 Valid Edge Selection
0
0
Falling edge
0
1
Rising edge
1
0
Setting prohibited
1
1
Both falling and rising edges
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