Renesas rl78 User Manual
RL78/G1A
CHAPTER 20 POWER-ON-RESET CIRCUIT
20.2 Configuration of Power-on-reset Circuit
The block diagram of the power-on-reset circuit is shown in Figure 20-1.
Figure 20-1. Block Diagram of Power-on-reset Circuit
−
+
Reference
voltage
source
Internal reset signal
V
DD
V
DD
20.3 Operation of Power-on-reset Circuit
The timing of generation of the internal reset signal by the power-on-reset circuit and voltage detector is shown below.
R01UH0305EJ0200 Rev.2.00
750
Jul 04, 2013