Renesas RL78/G15 User Manual

RL78/G15 CHAPTER 5 CLOCK GENERATOR
R01UH0959EJ0110 Rev.1.10 Page 154 of 765
Mar 7, 2023
5.6.3 CPU clock status transition diagram
Figure 5-14 shows the CPU clock status transition diagram of this product.
Figure 5-14. CPU Clock Status Transition Diagram
Power ON
High-speed on-chip oscillator: Woken up
X1 oscillation/EXCLK input: Stops (input port mode)
Note 1
High-speed on-chip oscillator: Operating
X1 oscillation/EXCLK input: Selectable
by CPU
Note 1
High-speed on-chip oscillator: Stops
X1 oscillation/EXCLK input: Stops
Note 1
High-speed on-chip oscillator: Operating
X1 oscillation
/EXCLK input: Oscillatable
High
-speed on-chip oscillator: Selectable by CPU
X1 oscillation/EXCLK input: Operating
High-speed on-chip oscillator:
Stops
X
1 oscillation/EXCLK input: Stops
High-
speed on-
chip oscillator: Oscillatable
X1 oscillation/EXCLK input: Operating
CPU: Operating high-speed
on-chip oscillator
CPU: Operating
with X1 oscillation or
EXCLK input
CPU: High-speed on-chip
oscillator
→ HALT
CPU: X1 oscillation/
EXCLK input
→ HALT
CPU: X1 oscillation/
EXCLK input
→ STOP
CPU: High-speed on-chip
oscillator
→ STOP
(
A)
(E)
(C)
(B)
Note 1
(F)
Note 1
(D)
Note 1
V
DD
being greater than the detection voltage for the SPOR circuit and release
from the reset state due to any reset source.
Note 1. 16-pin and 20-pin products only.

Renesas RL78/G15 Specifications

General

Brand	Renesas
Model	RL78/G15
Category	Microcontrollers
Language	English