DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 483
DF2398TE20
Manufacturer Part Number
DF2398TE20
Description
IC H8S MCU FLASH 256K 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2398TE20
HD64F2398TE20
HD64F2398TE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2398TE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 483 of 1049
- Download datasheet (5Mb)
13.1
The H8S/2357 Group 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 H8S/2357 Group.
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.
Notes: 1. The WDTOVF pin function is not available in the F-ZTAT versions, and the H8S/2398, H8S/2394, H8S/2392,
Switchable between watchdog timer mode and interval timer mode
WDTOVF output when in watchdog timer mode*
If the counter overflows, the WDT outputs WDTOVF. It is possible to select whether or not the entire H8S/2357
Group is reset at the same time. This internal reset can be a power-on reset or a manual reset.*
Interrupt generation when in interval timer mode
If the counter overflows, the WDT generates an interval timer interrupt.
Choice of eight counter clock sources.
2. Manual reset is only supported in the H8S/2357 ZTAT.
Overview
Features
and H8S/2390.
Section 13 Watchdog Timer
1
Rev.6.00 Oct.28.2004 page 453 of 1016
2
REJ09B0138-0600H
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