HD64F38602R Datasheet, PDF (401/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 19 Power-On Reset Circuit
Section 19 Power-On Reset Circuit
This LSI has an on-chip power-on reset circuit. A block diagram of the power-on reset circuit is
shown in figure 19.1.
19.1 Feature
• Power-on reset circuit
An internal reset signal is generated at turning the power on by externally connecting a
capacitor.
Vcc
RES
C_RES
Vcc
φ
CK _3-bit COUT
R ^counter
Rp
Voltage
detector
R
Q
S
Internal
reset signal
Figure 19.1 Power-On Reset Circuit
Rev. 3.00 May 15, 2007 Page 369 of 516
REJ09B0152-0300