upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 359

• Manufacturer Part Number: upd78f0124m6gba1-8et
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(b) Release by RESET input
Internal oscillation clock
When the RESET signal is input, STOP mode is released and a reset operation is performed after the
oscillation stabilization time has elapsed.
Remarks 1. f
RESET signal
Status of CPU
X1 input clock
RESET signal
Status of CPU
×: don’t care
Maskable interrupt
request
RESET input
2. f
Table 18-5. Operation in Response to Interrupt Request in STOP Mode
Release Source
XP
R
: Internal oscillation clock frequency
: X1 input clock oscillation frequency
Operating mode
(X1 input clock)
(2) When internal oscillation clock is used as CPU clock
Operating mode
oscillation clock)
Oscillates
Figure 18-7. STOP Mode Release by RESET Input
(Internal
(1) When X1 input clock is used as CPU clock
instruction
STOP
instruction
CHAPTER 18 STANDBY FUNCTION
STOP
Oscillation stopped
MK××
User’s Manual U16315EJ3V1UD
Oscillates
STOP mode
0
0
0
0
0
1
−
STOP mode
PR××
0
0
1
1
1
×
−
Oscillation stabilization time (2
IE
0
1
0
×
1
×
×
Oscillation
stopped
period
Reset
Oscillation
stopped
period
Reset
ISP
×
×
1
0
1
×
×
Operation
stopped
(17/f
Operation
R
stopped
(17/f
Next address
instruction execution
Interrupt servicing
execution
Next address
instruction execution
Interrupt servicing
execution
STOP mode held
Reset processing
)
Oscillates
R
)
Oscillates
(Internal oscillation clock)
Operation
Operating mode
(Internal oscillation clock)
11
/f
Operating mode
XP
to 2
16
/f
XP
)
359