HD64F7047FW40V Renesas Electronics America, HD64F7047FW40V Datasheet - Page 359

MCU 5V 256K I-TEMP,PB-FREE 100-Q

HD64F7047FW40V

Manufacturer Part Number
HD64F7047FW40V
Description
MCU 5V 256K I-TEMP,PB-FREE 100-Q
Manufacturer
Renesas Electronics America
Series
SuperH® SH7047r
Datasheet

Specifications of HD64F7047FW40V

Core Processor
SH-2
Core Size
32-Bit
Speed
40MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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The watchdog timer (WDT) is an 8-bit timer that can reset this LSI internally if the counter
overflows without rewriting the counter value due to a system crash or the like.
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.
The block diagram of the WDT is shown in figure 11.1.
11.1
• Switchable between watchdog timer mode and interval timer mode
In watchdog timer mode
• Output WDTOVF signal
In interval timer mode
• If the counter overflows, the WDT generates an interval timer interrupt (ITI).
• Clears software standby mode
• Selectable from eight counter input clocks.
If the counter overflows, it is possible to select whether this LSI is internally reset or not. A
power-on reset or manual reset can be selected as an in internal reset.
Features
Section 11 Watchdog Timer
Rev. 2.00, 09/04, page 317 of 720

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