DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 423
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 423 of 794
- Download datasheet (5Mb)
This LSI includes the watchdog timer (WDT).
This LSI can be reset by the overflow of the counter when the value of the counter has not been
updated because of a system runaway.
The watchdog timer (WDT) is a single-channel timer that uses a peripheral clock as an input and
counts the clock settling time when clearing software standby mode. It can also be used as an
interval timer.
11.1
• Can be used to ensure the clock settling time: Use the WDT to revoke software standby mode.
• Can switch between watchdog timer mode and interval timer mode.
• Generates internal resets in watchdog timer mode: Internal resets occur after counter overflow.
• An interrupt is generated in interval timer mode
• Choice of eight counter input clocks
• Choice of two resets
WDTS300B_000020030200
An interval timer interrupt is generated when the counter overflows.
Eight clocks (×1 to ×1/4096) that are obtained by dividing the peripheral clock can be chosen.
Power-on reset and manual reset are available.
Features
Section 11 Watchdog Timer (WDT)
Rev. 5.00 Mar. 06, 2009 Page 403 of 770
REJ09B0243-0500
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