NEC PD17062 - Manual (Page 185)

185
µ
PD17062
Fig. 14-10 BTM0CY Flag State Transition
#
$
V
DD
= L
→
3.5 V
CE = L CE = H
( & ) *
+
,
- .
0 / 1 2
3
4
CE = H
→
L STOP 0 BTM0CY = 0
CE = L → H
CE = L
→
H
CE = H
→
L
CE = L → H
CE = L
→
H
STOP 0 BTM0CY = 1
CE = low CE = optional CE = high
V
DD
= low
Operation stopped
Clock oscillation start
Forced halt (approx. 50 ms)
Power-on reset
Normal
operation
CE reset
Rising edge of
timer carry FF
set pulse
Clock-stop
BTM0CY flag setting
disabled state
Normal
operation
Normal operation
CE reset wait
Clock oscillation start
Forced halt (50 ms)
SKT1 BTM0CY or
SKF1 BTM0CY
SKT1 BTM0CY or SKF1 BTM0CY
Normal
operation
CE reset
Rising edge of
timer carry FF
set pulse
Clock-stop
Normal
operation
Normal operation
CE reset wait
Clock oscillation start
Forced halt (50 ms)
BTM0CY
flag setting
enable state
%