r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 168
r5f21346mnfp
Manufacturer Part Number
r5f21346mnfp
Description
Single-chip Mcus Incorporates The R8c Cpu Core
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346MNFP.pdf
(776 pages)
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R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 9.8
State Transitions in Power Control Mode
Note:
CM03, CM04, CM05, CM07: Bits in CM0 register
CM13, CM14: Bits in CM1 register
OCD2: Bit in OCD register
FRA00, FRA01: Bits in FRA0 register
Figure 9.8 shows the State Transitions in Power Control Mode.
1. When the high-speed on-chip oscillator mode is selected as the system clock, do not enter stop mode
Interrupt
while bits CM37 and CM36 in the CM3 register is 00b (MCU exits with the CPU clock used immediately
before entering wait or stop mode).
Standard operating mode
High-speed clock mode
CPU operation stops
Wait mode
OCD2 = 0
CM05 = 0
CM07 = 0
CM13 = 1
State Transitions in Power Control Mode
FRA01 = 0
OCD2 = 0
CM05 = 0
CM13 = 1
CM14 = 0
OCD2 = 1
WAIT instruction
FRA00 = 1
FRA01 = 1
OCD2 = 1
OCD2 = 0
CM05 = 0
CM13 = 1
CM03 = 0
CM04 = 1
CM07 = 1
High-speed on-chip oscillator mode
Low-speed on-chip oscillator mode
Interrupt
FRA01 = 0
CM14 = 0
(except fOCO-WDT)
All oscillators stop
Stop mode
FRA01 = 0
FRA00 = 1
FRA01 = 1
CM07 = 0
CM14 = 0
OCD2 = 1
CM07 = 0
OCD2 = 1
Reset
FRA00 = 1
FRA01 = 1
CM10 = 1
(1)
CM05 = 0
CM07 = 0
CM13 = 1
OCD2 = 0
CM03 = 0
CM04 = 1
CM07 = 1
FRA01 = 0
OCD2 = 1
CM07 = 0
CM14 = 0
CM03 = 0
CM04 = 1
CM07 = 1
FRA00 = 1
FRA01 = 1
CM07 = 0
OCD2 = 1
9. Clock Generation Circuit
Low-speed clock mode
CM04 = 1
CM07 = 1
CM03 = 0
Page 136 of 740
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