DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 427
DF2134AFA20V
Manufacturer Part Number
DF2134AFA20V
Description
IC H8S/2100 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2134AFA20V.pdf
(1063 pages)
Specifications of DF2134AFA20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
For Use With
3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2134AFA20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 427 of 1063
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14.1
The H8S/2138 Group and H8S/2134 Group have an on-chip watchdog timer with two channels
(WDT0, WDT1) for monitoring system operation. The WDT outputs an overflow signal 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 or internal NMI interrupt signal.
When this watchdog function is not needed, the WDT can be used as an interval timer. In interval
timer mode, an interval timer interrupt is generated each time the counter overflows.
14.1.1
WDT features are listed below.
Switchable between watchdog timer mode and interval timer mode
Internal reset or internal interrupt generated when the timer counter overflows
Choice of 8 (WDT0) or 16 (WDT1) counter input clocks
WOVI interrupt generation in interval timer mode
Choice of internal reset or NMI interrupt generation in watchdog timer mode
Maximum WDT interval: system clock period
Subclock can be selected for the WDT1 input counter
Maximum interval when the subclock is selected: subclock period 256
Overview
Features
Section 14 Watchdog Timer (WDT)
131072
Rev. 4.00 Jun 06, 2006 page 371 of 1004
Section 14 Watchdog Timer (WDT)
256
REJ09B0301-0400
256
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