DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 377
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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11.1
The H8/3024 Group has an on-chip watchdog timer (WDT). The WDT has two selectable
functions: it can operate as a watchdog timer to supervise system operation, or it can operate as an
interval timer. As a watchdog timer, it generates a reset signal for the H8/3024 chip if a system
crash allows the timer counter (TCNT) to overflow before being rewritten. In interval timer
operation, an interval timer interrupt is requested at each TCNT overflow.
11.1.1
WDT features are listed below.
Selection of eight counter clock sources
Interval timer option
Timer counter overflow generates a reset signal or interrupt.
The reset signal is generated in watchdog timer operation. An interval timer interrupt is
generated in interval timer operation.
Watchdog timer reset signal resets the entire H8/3024 internally, and can also be output
externally.
The reset signal generated by timer counter overflow during watchdog timer operation resets
the entire H8/3024 internally. An external reset signal can be output from the
reset other system devices simultaneously. In the versions with on-chip flash memory, the
R E S O
signal externally.
/2, /32, /64, /128, /256, /512, /2048, or /4096
Overview
Features
pin functions as the FWE pin, and therefore there is no function for outputting a reset
Section 11 Watchdog Timer
Rev. 2.00 Sep 20, 2005 page 337 of 800
Section 11 Watchdog Timer
REJ09B0260-0200
R E S O
pin to
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