tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 94

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

6.2 Function
6. Power-on Reset Circuit
RA000
CPU/peripheral circuits
reset signal
Supply voltage (VDD)
Operating voltage
Note 1: The power-on reset circuit may operate improperly, depending on fluctuations in the supply voltage (VDD). Refer to the
Note 2: For the AC timing, refer to the electrical characteristics.
Warm-up
counter clock
Power-on
reset signal
VPROFF
VPRON
electrical characteristics and take them into consideration when designing equipment.
Figure 6-2 Operation Timing of Power-on Reset
Warm-up counter start
VDD
PWUP
Page 80
PRON
PPW
PROFF
TMP89FM42