DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 463
![MCU 5V 128K,PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3048X16V
Manufacturer Part Number
DF3048X16V
Description
MCU 5V 128K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048X16V
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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:
DF3048X16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 463 of 907
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12.1
The H8/3048 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 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.
12.1.1
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 chip internally, and can also be output externally.
The reset signal generated by timer counter overflow during watchdog timer operation resets
the entire chip internally. An external reset signal can be output from the RESO pin to reset
other system devices simultaneously.
/2, /32, /64, /128, /256, /512, /2048, or /4096
Overview
Features
Section 12 Watchdog Timer
Rev. 7.00 Sep 21, 2005 page 437 of 878
Section 12 Watchdog Timer
REJ09B0259-0700
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