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 fCLK
STP flip-flop 1
Q
Q
S
R
STP flip-flop 2
Q
Q
S
R
HLT flip-flop
Q
Q
S
R
D
CK Q
PR
××ISM
Macro service request
Resets
flip-flop
Sets
STOP bit
Sets HLT 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