upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 369
upd78f0124hgba1-8et-a
Manufacturer Part Number
upd78f0124hgba1-8et-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0124HGBA1-8ET-A.pdf
(502 pages)
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21.2 Configuration of Power-on-Clear Circuit
21.3 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 21-1.
In the power-on-clear circuit, the supply voltage (V
, an internal reset signal is generated.
(V
Figure 21-2. Timing of Internal Reset Signal Generation in Power-on-Clear Circuit
POC
DD
)
)
V
DD
Figure 21-1. Block Diagram of Power-on-Clear Circuit
Reference
voltage
source
CHAPTER 21 POWER-ON-CLEAR CIRCUIT
User’s Manual U16962EJ3V0UD
+
−
V
DD
DD
) and detection voltage (V
Internal reset signal
POC
) are compared, and when V
Time
DD
369
<
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