R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 889
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R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 889 of 1506
- Download datasheet (9Mb)
The watchdog timer (WDT) is an 8-bit timer that outputs an overflow signal (WDTOVF) if a
system crash prevents the CPU from writing to the timer counter, thus allowing it to overflow. At
the same time, the WDT can also generate an internal reset signal.
When this watchdog function is not needed, the WDT can be used as an interval timer. In interval
timer operation, an interval timer interrupt is generated each time the counter overflows.
Figure 18.1 shows a block diagram of the WDT.
18.1
• Selectable from eight counter input clocks
• Switchable between watchdog timer mode and interval timer mode
In watchdog timer mode
In interval timer mode
If the counter overflows, the WDT outputs WDTOVF. It is possible to select whether or
not the entire LSI is reset at the same time.
If the counter overflows, the WDT generates an interval timer interrupt (WOVI).
Features
Section 18 Watchdog Timer (WDT)
Rev. 2.00 Sep. 24, 2008 Page 855 of 1468
Section 18 Watchdog Timer (WDT)
REJ09B0412-0200
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