HD64F2338VFC25 Renesas Electronics America, HD64F2338VFC25 Datasheet - Page 611
![MCU 3V 256K 144-QFP](/photos/12/30/123043/df2633f25v_sml.jpg)
HD64F2338VFC25
Manufacturer Part Number
HD64F2338VFC25
Description
MCU 3V 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of HD64F2338VFC25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2338VFC25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 611 of 1246
- Download datasheet (7Mb)
13.1
The chip has a single-channel on-chip watchdog timer (WDT) for monitoring system operation.
The WDT outputs an overflow signal (WDTOVF) if a system crash prevents the CPU from
writing to the timer counter, allowing it to overflow. At the same time, the WDT can also generate
an internal reset signal for the chip.
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.
13.1.1
WDT features are listed below.
• Switchable between watchdog timer mode and interval timer mode
• WDTOVF output when in watchdog timer mode
• Interrupt generation when in interval timer mode
• Choice of eight counter clock sources
If the counter overflows, the WDT outputs WDTOVF. It is possible to select whether or not
the entire chip is reset at the same time
If the counter overflows, the WDT generates an interval timer interrupt
Overview
Features
Section 13 Watchdog Timer
Rev.4.00 Sep. 07, 2007 Page 579 of 1210
REJ09B0245-0400
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