R5F21266SDFP#U0 Renesas Electronics America, R5F21266SDFP#U0 Datasheet - Page 126
R5F21266SDFP#U0
Manufacturer Part Number
R5F21266SDFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21266SDFP#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
32KB (32K 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:
R5F21266SDFP#U0R5F21266SDFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 10.20
Set OCD1 bit to 0 (oscillation stop
Interrupt sources judgement
To oscillation stop detection
detection interrupt disabled).
Sep 26, 2008
NOTE:
(XIN clock stopped)
OCD1 to OCD3: Bits in OCD register
VW2C3: Bit in VW2C register
interrupt routine
1. This disables multiple oscillation stop detection interrupts.
OCD3 = 1 ?
Timer, Voltage Monitor 1, or Voltage Monitor 2 Interrupt (J, K Version)
Example of Determining Interrupt Source for Oscillation Stop Detection, Watchdog
YES
(1)
Page 107 of 453
NO
interrupt enabled) and OCD2 = 1
(on-chip oscillator clock selected
(oscillation stop detection
as system clock) ?
OCD1 = 1
YES
NO
To watchdog timer
(Watchdog timer
interrupt routine
VW2C3 = 1 ?
underflow)
YES
NO
10. Clock Generation Circuit
To voltage monitor 2
interrupt routine
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