HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 527
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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The watchdog timer (WDT) is an 8-bit timer that can generate an internal reset signal for this LSI
if a system crash prevents the CPU from writing to the timer counter, thus allowing it to overflow.
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 13.1.
13.1
• Selectable from 8 counter input clocks for WDT_0
• Switchable between watchdog timer mode and interval timer mode
In watchdog timer mode
• Choosable between power-on reset or manual reset as internal reset
• If the counter in WDT_0 overflows, it is possible to select whether this LSI is internally reset
• If the counter in WDT_1 overflows, it is possible to select whether this LSI is internally reset
In interval timer mode
• If the counter overflows, the WDT generates an interval timer interrupt (WOVI)
• The selected clock can be output from the BUZZ output pin (WDT_1)
Selectable from 16 counter input clocks for WDT_1
or not
or the internal NMI interrupt is generated
Features
Section 13 Watchdog Timer (WDT)
Rev. 6.00 Mar. 18, 2010 Page 465 of 982
Section 13 Watchdog Timer (WDT)
REJ09B0054-0600
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