R5F21262SDFP#U0 Renesas Electronics America, R5F21262SDFP#U0 Datasheet - Page 57
![IC R8C/26 MCU FLASH 32LQFP](/photos/12/27/122743/r5f21262sdfp_u0_sml.jpg)
R5F21262SDFP#U0
Manufacturer Part Number
R5F21262SDFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21262SDFP#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
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 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:
R5F21262SDFP#U0R5F21262SDFP#W4
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 6.6
Internal
reference
voltage
Voltage detection 2 circuit
Watchdog timer block
VCC
VW2C0 to VW2C3, VW2F0, VW2F1, VW2C6, VW2C7: Bits in VW2C register
VCA13: Bit in VCA1 register
VCA27: Bit in VCA2 register
VCA27
+
-
(Filter width: 200 ns)
Sep 26, 2008
Noise filter
Block Diagram of Voltage Monitor 2 Interrupt/Reset Generation Circuit
Watchdog timer
underflow signal
Voltage detection 2 signal
is held “H” when VCA27 bit
is set to 0 (disabled)
Page 38 of 453
fOCO-S
Voltage
detection
2 signal
VCA13
Voltage monitor 2 interrupt/reset generation circuit
This bit is set to 0 (not detected) by writing 0
by a program.
VW2C3
1/2
1/2
VW2F1 to VW2F0
1/2
VW2C7
= 00b
= 01b
= 10b
= 11b
VW2C1
Digital
filter
VW2C2 bit is set to 0 (not detected) by
writing 0 by a program.
When VCA27 bit is set to 0 (voltage
detection 2 circuit disabled), VW2C2
bit is set to 0
VW2C1
VW2C0
VW2C6
VW2C2
6. Voltage Detection Circuit
Voltage monitor 2
interrupt signal
Oscillation stop
timer interrupt
interrupt signal
Watchdog
detection
signal
Voltage monitor 2
reset signal
Non-maskable
interrupt signal
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