NEC PD78214 - Manual (Page 324)

295
Chapter 11 Edge Detection Function
11
Fig. 11-2 Format of External Interrupt Mode Register 1 (INTM1)
0
7
0
6
ES51
5
ES50
4
ES41
3
ES40
2
ES31
1
ES30
0
INTM1
ES31
Falling edge
Specifies edge to be detected on P24
(INTP3, CR02 capture trigger)
0
ES30
0
Rising edge 0 1
Inhibited 1 0
Both falling and rising edges 1 1
ES41
Falling edge
Specifies edge to be detected on P25 (INTP4)
0
ES40
0
Rising edge 0 1
Selects INTC30 1 0
Both falling and rising edges 1 1
ES51
Falling edge
Specifies edge to be detected on P26
(INTP5, A/D conversion start signal)
0
ES50
0
Rising edge 0 1
Inhibited 1 0
Both falling and rising edges 1 1
Caution If an edge is input while a valid edge is changing, it is not known whether the new edge is judged as being a valid edge.