R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 99

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 10.12
State Transition in Power Control Mode
CM05
CM13, CM14
OCD2
FRA00, FRA01 : FRA0 register
Figure 10.12 shows the State Transitions in Power Control Mode.
State Transitions in Power Control Mode
Interrupt
: CM0 register
: CM1 register
: OCD register
Standard operating mode
High-speed clock mode
CPU operation stops
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Wait mode
OCD2 = 0
CM05 = 0
CM13 = 1
FRA01 = 0
OCD2 = 1
CM14 = 0
OCD2 = 0
CM05 = 0
CM13 = 1
WAIT instruction
CM05 = 0
CM13 = 1
OCD2 = 0
FRA00 = 1
FRA01 = 1
OCD2 = 1
High-speed on-chip oscillator mode
Low-speed on-chip oscillator mode
FRA01 = 0
CM14 = 0
Interrupt
All oscillators stop
FRA01 = 0
FRA00 = 1
FRA01 = 1
Stop mode
OCD2 = 1
OCD2 = 1
CM14 = 0
Reset
FRA00 = 1
FRA01 = 1
10. Clock Generation Circuit
CM10 = 1