U18680EJ1V0PM00_15 Datasheet, PDF (22/30 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F9221CS, 78F9222CS
POC Circuit Characteristics (TA = −40 to +85°C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Detection voltage
Power supply boot time
Response delay time 1^{Note 1}
Response delay time 2^{Note 2}
VPOC
2.0
2.1
2.2
V
tPTH
VDD: 0 V → 2.1 V
1.5
µs
tPTHD
When power supply rises, after reaching
detection voltage (MAX.)
3.0
ms
tPD
When power supply falls
1.0
ms
Minimum pulse width
tPW
0.2
ms
Notes 1. Time required from voltage detection to internal reset release.
2. Time required from voltage detection to internal reset signal generation.
POC Circuit Timing
Supply voltage
(VDD)
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
tPTH
tPTHD
tPW
tPD
Time
20
Preliminary Product Information U18680EJ1V0PM00