CHAPTER 14 RESET FUNCTION
User’s Manual U16898EJ3V0UD
241
Figure 14-4. Reset Timing by RESET Input in STOP Mode
<1> With high-speed internal oscillation clock or external clock input
Hi-Z
RESET
Port pin
(except P130)
Port pin
(P130)
Note 2
Delay
Normal
operation
in progress
CPU clock
Reset period
(oscillation stops)
Normal operation (reset processing, CPU clock)
Internal reset signal
High-speed internal oscillation clock or
external clock input
Delay
Operation stops because option
byte is referenced
Note 1
.
Stop status
(oscillation stops)
STOP instruction is executed.
100 ns (TYP.)
100 ns (TYP.)
Notes 1.
The operation stop time is 277
µ
s (MIN.), 544
µ
s (TYP.), and 1.075 ms (MAX.).
2.
Set high level output using software.
Remark
When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
<2> With crystal/ceramic oscillation clock
Hi-Z
RESET
Port pin
(except P130)
Port pin
(P130)
Note 2
Delay
Normal
operation
in progress
CPU clock
Normal operation
(reset processing, CPU clock)
Internal reset signal
High-speed internal oscillation clock or
external clock input
Delay
Operation stops because option
byte is referenced
Note 1
.
Reset period
(oscillation stops)
Stop status
(oscillation stops)
STOP instruction is executed.
Oscillation stabilization
time (2
10
/f
X
to 2
17
/f
X
)
100 ns (TYP.)
100 ns (TYP.)
Notes 1.
The operation stop time is 276
µ
s (MIN.), 544
µ
s (TYP.), and 1.074 ms (MAX.).
2.
Set high level output using software.