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RA4E2 Datasheet(PDF) 32 Page - Renesas Technology Corp

Part # RA4E2
Description  Renesas Microcontrollers
PDF  91 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

RA4E2 Datasheet(HTML) 32 Page - Renesas Technology Corp

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Note 1. When setting up the sub-clock oscillator, ask the oscillator manufacturer for an oscillation evaluation and use the results as the
recommended oscillation stabilization time.
After changing the setting in the SOSCCR.SOSTP bit to start sub-clock operation, only start using the sub-clock oscillator after the
sub-clock oscillation stabilization time elapses with an adequate margin. A value that is two times the value shown is recommended.
tXH
tXcyc
EXTAL external clock input
VCC × 0.5
tXL
tXr
tXf
Figure 2.7
EXTAL external clock input timing
Main clock oscillator output
MOSCCR.MOSTP
Main clock
tMAINOSCWT
Figure 2.8
Main clock oscillation start timing
LOCO clock
LOCOCR.LCSTP
tLOCOWT
On-chip oscillator output
Figure 2.9
LOCO clock oscillation start timing
RA4E2 Datasheet
2. Electrical Characteristics
R01DS0413EJ0150 Rev.1.50
May 29, 2026
Page 32 of 91



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