NEC PD78214 - Manual (Page 207)

178
µ
PD78214 Sub-Series
Fig. 7-82 Capture Operation
Remark D
n
: TM2 count value (n = 0, 1, 2, ...)
CLR21 = 0, CLR22 = 0
D0
D1
D2
D0 D1 D2 (undefined) (undefined)
Reads CR22 Reads CR22
FFH
TM2
count value
Capture
register
(CR22)
INTP1
interrupt request
INTP1
pin input
0H
Count starts
CE
←1
OVF2
CPU operation
Interrupt accepted Interrupt accepted