NEC UPD703116 User Manual page 760

[Other timing]
• If power is supplied to the V
operation is guaranteed (3.0 to 3.6 V), the status of the I/O pin is undefined
reaches 3.0 V.
• If the voltage on the V
voltage on the V and AV
DD5
Note This means that the input or output mode of an I/O pin, or the output level of an output pin is not
determined.
V
DD3
0 V
V , AV
DD5 DD
0 V
RESET (input)
0 V
I/O pin
0 V
Remark The broken line indicates a high-impedance state.
760
CHAPTER 17 TURNING ON/OFF POWER
and AV pins before the voltage on the V
DD5 DD
pin drops below the level at which the operation is guaranteed (3.0 to 3.6 V) before the
DD3
pins drops to 0 V, the status of the I/O pin is undefined
DD
Figure 17-2. Other Timing
3.0 V
4.5 V
Undefined
User's Manual U14492EJ5V0UD
pins rises to the level at which the
DD3
Note
until the voltage on the V
3.0 V
Depends on program setting
Undefined
pin
DD3
Note
.
4.5 V