R5F21265SNFP#U0 Renesas Electronics America, R5F21265SNFP#U0 Datasheet - Page 243
![IC R8C/26 MCU FLASH 32LQFP](/photos/12/36/123685/r5f21265snfp_u0_sml.jpg)
R5F21265SNFP#U0
Manufacturer Part Number
R5F21265SNFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21265SNFP#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
-20°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:
R5F21265SNFP#U0R5F21265SNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (5Mb)
R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 14.61
14.4.1
H12_H24, PM, INT: Bits in TRECR1 register
BSY: Bit in registers TRESEC, TREMIN, TREHR, and TREWK
fC4
BSY
In real-time clock mode, a 1-second signal is generated from fC4 using a divide-by-2 frequency divider, 4-bit
counter, and 8-bit counter and used to count seconds, minutes, hours, and days of the week. Figure 14.61 shows
a Block Diagram of Real-Time Clock Mode and Table 14.25 lists the Specifications of Real-Time Clock Mode.
Figures 14.62 to 14.66 and 14.68 and 14.69 show the registers associated with real-time clock mode. Table
14.26 lists the Interrupt Sources, Figure 14.67 shows the Definition of Time Representation, and Figure 14.70
shows the Operating Example in Real-Time Clock Mode.
bit
TRESEC
register
Sep 26, 2008
Real-Time Clock Mode (For N, D Version Only)
MNIE
SEIE
Overflow
Block Diagram of Real-Time Clock Mode
1/2
TREMIN
register
Page 224 of 453
HRIE
4-bit counter
Overflow
(1/16)
H12_H24
bit
Data bus
TREHR
register
PM
DYIE
bit
Overflow
8-bit counter
WKIE
(1/256)
TREWK
register
000
(1s)
Overflow
Timing
control
INT
bit
Timer RE interrupt
14. Timers
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