R5F21262SNFP#U0 Renesas Electronics America, R5F21262SNFP#U0 Datasheet - Page 67
![IC R8C/26 MCU FLASH 32LQFP](/photos/12/27/122729/r5f21262snfp_u0_sml.jpg)
R5F21262SNFP#U0
Manufacturer Part Number
R5F21262SNFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21262SNFP#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
-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
-
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 6.14
When the VW1C1 bit is set
to 0 (digital filter enabled)
When the VW1C1 bit is
set to 1 (digital filter
disabled) and the
VW1C7 bit is set to 0
(Vdet1 or above)
When the VW1C1 bit is
set to 1 (digital filter
disabled) and the
VW1C7 bit is set to 1
(Vdet1 or below)
VW1C1, VW1C2, VW1C3, VW1C6, VW1C7: Bit in VW1C Register
Sep 26, 2008
Example of Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset Operation (N, D
Version)
VW1C3 bit
VW1C2 bit
Voltage monitor 1
interrupt request
(VW1C6 = 0)
Internal reset signal
(VW1C6 = 1)
VW1C2 bit
Voltage monitor 1
interrupt request
(VW1C6 = 0)
VW1C2 bit
Voltage monitor 1
interrupt request
(VW1C6 = 0)
Internal reset signal
(VW1C6 = 1)
The above applies under the following conditions.
NOTE:
• VCA26 bit in VCA2 register = 1 (voltage detection 1 circuit enabled)
• VW1C0 bit in VW1C register = 1 (voltage monitor 1 interrupt and voltage monitor 1 reset enabled)
1. If voltage monitor 0 reset is not used, set the power supply to VCC ≥ 2.2.
Page 48 of 453
2.2 V
Vdet1
(1)
VCC
1
0
1
0
1
0
1
0
4 cycles of sampling clock of digital filter
Set to 0 by interrupt
request acknowledgement
Set to 0 by a program
Set to 0 by interrupt request
acknowledgement
Set to 0 by a program
4 cycles of sampling clock of digital filter
6. Voltage Detection Circuit
Set to 0 by a program
Set to 0 by interrupt
request
acknowledgement
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