R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 95

• 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 10.9
FMR0 Register
(flash memory
(flash memory
FMSTP Bit
operates)
Wait mode
stops)
0
1
Time from Wait Mode to Interrupt Routine Execution
Time until Flash Memory is
× 12 cycles + 30 µ s (max.)
Flash memory activation
Period of system clock
Period of system clock
Interrupt request generated
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Activated (T1)
× 12 cycles
sequence
T1
Time until CPU Clock is
CPU clock restart
Period of CPU clock
Same as above
Supplied (T2)
sequence
× 6 cycles
T2
Period of CPU clock
Interrupt sequence
Time for Interrupt
Same as above
Sequence (T3)
× 20 cycles
T3
10. Clock Generation Circuit
Following total
time is the time
from wait mode
until an interrupt
routine is
executed.
Remarks