tmp88f846ug TOSHIBA Semiconductor CORPORATION, tmp88f846ug Datasheet - Page 60

• Manufacturer Part Number: tmp88f846ug
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

6.1 Power-on reset circuit
6. Power-on reset circuit
Supply operating voltage
CPU/peripheral circuits
reset signal
Power-on reset signal
Note 1: The power-on reset circuit may not operate properly depending on transitions in supply voltage (V
Note 2: The input clock to the warm-up counter is derived from the oscillation circuit. Because the oscillation frequency is unstable
Note 3: The supply voltage must be raised to satisfy the condition t
Warm-up
counter clock
V
V
your application system, careful consideration must be given to ensure proper operation of the power-on reset circuit by
referring to the device's electrical characteristics.
until the oscillation circuit stabilizes, the warm-up time includes error.
PROFF
PRON
V
DD
Figure 6-2 Operation timing of the power-on reset circuit
t
VDD
Warm-up counter start
t
PWUP
Page 50
VDD
< t
t
PWUP
PRON
.
t
PRW
t
PROFF
DD
). When designing
TMP88F846UG