NEC PD78214 User Manual
Page 407
378
µ
PD78214 Sub-Series
Fig. 14-2 Standby Function Block
System
clock
oscillator
Frequency
divider
Oscillation settling time
counter (16 bits)
fxx or
fx
f
CLK
STP flip-flop 1
Q
Q
S
R
STP flip-flop 2
Q
Q
S
R
HL
T flip-flop
Q
Q
S
R
D
CK
Q
PR
××
ISM
Macro service request
Resets
flip-flop
Sets
STOP bit
Sets HL
T bit
CPU CLK
Peripheral CLK
RAM protect
Interrupt
control
Interrupt
request
Macro service request
××
ISM
EI
Overflow
Reset
NMI
RESET
1
2
Oscillation stops
CLK