R5F21265SDFP#U0 Renesas Electronics America, R5F21265SDFP#U0 Datasheet - Page 117
R5F21265SDFP#U0
Manufacturer Part Number
R5F21265SDFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21265SDFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21265SDFP#U0R5F21265SDFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 10.13
(flash memory operates)
(flash memory stops)
Figure 10.13 shows the Time from Wait Mode to Interrupt Routine Execution.
When using a peripheral function interrupt to exit wait mode, set up the following before executing the WAIT
instruction.
When exiting by a peripheral function interrupt, the time (number of cycles) between interrupt request
generation and interrupt routine execution is determined by the settings of the FMSTP bit in the FMR0 register,
as described in Figure 10.13.
The CPU clock, when exiting wait mode by a peripheral function interrupt, is the same clock as the CPU clock
when the WAIT instruction is executed.
Wait mode
FMR0 Register
(1) Set the interrupt priority level in bits ILVL2 to ILVL0 in the interrupt control registers of the peripheral
(2) Set the I flag to 1.
(3) Operate the peripheral function to be used for exiting wait mode.
Sep 26, 2008
FMSTP Bit
function interrupts to be used for exiting wait mode. Set bits ILVL2 to ILVL0 of the peripheral function
interrupts that are not to be used for exiting wait mode to 000b (interrupt disabled).
0
1
Time from Wait Mode to Interrupt Routine Execution
Interrupt request generated
activation sequence
Page 98 of 453
× 12 cycles + 30 µs (max.)
Time until Flash Memory
Flash memory
Period of system clock
Period of system clock
is Activated (T1)
T1
× 12 cycles
CPU clock restart sequence
Time until CPU Clock
Period of CPU clock
is Supplied (T2)
Same as above
× 6 cycles
T2
Period of CPU clock
Time for Interrupt
Same as above
Sequence (T3)
× 20 cycles
10. Clock Generation Circuit
Interrupt sequence
Following total
time is the time
from wait mode
until an interrupt
routine is
executed.
T3
Remarks
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