D13008VXI25V Renesas Electronics America, D13008VXI25V Datasheet - Page 355
D13008VXI25V
Manufacturer Part Number
D13008VXI25V
Description
MCU 3V 0K I-TEMP PB-FREE 100-TQF
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of D13008VXI25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K 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
-
Program Memory Size
-
- Current page: 355 of 688
- Download datasheet (4Mb)
11.1
The H8/3008 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 H8/3008 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.
• Watchdog timer reset signal resets the entire H8/3008 internally, and can also be output
φ/2, φ /32, φ /64, φ /128, φ /256, φ /512, φ /2048, or φ /4096
The reset signal is generated in watchdog timer operation. An interval timer interrupt is
generated in interval timer operation.
externally.
The reset signal generated by timer counter overflow during watchdog timer operation resets
the entire H8/3008 internally. An external reset signal can be output from the RESO pin to
reset other system devices simultaneously.
Overview
Features
Section 11 Watchdog Timer
Rev.4.00 Aug. 20, 2007 Page 309 of 638
11. Watchdog Timer
REJ09B0395-0400
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