upd78f0114m6gb-8es Renesas Electronics Corporation., upd78f0114m6gb-8es Datasheet - Page 365

• Manufacturer Part Number: upd78f0114m6gb-8es
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

20.2 Configuration of Power-on-Clear Circuit
20.3 Operation of Power-on-Clear Circuit
V
POC detection voltage
POC
Supply voltage (V
Internal reset signal
The block diagram of the power-on-clear circuit is shown in Figure 20-1.
In the power-on-clear circuit, the supply voltage (V
, an internal reset signal is generated.
Mask option
(V
Figure 20-2. Timing of Internal Reset Signal Generation in Power-on-Clear Circuit
POC
DD
)
)
V
DD
Figure 20-1. Block Diagram of Power-on-Clear Circuit
CHAPTER 20 POWER-ON-CLEAR CIRCUIT
voltage source
V
Detection
DD
(V
POC
User’s Manual U16227EJ3V0UD
)
DD
) and detection voltage (V
+
−
POC
) are compared, and when V
Internal reset signal
Time
DD
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