D12363VTE33 Renesas Electronics America, D12363VTE33 Datasheet - Page 594
D12363VTE33
Manufacturer Part Number
D12363VTE33
Description
MCU 3V 0K 120-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2368VTE34V.pdf
(1044 pages)
Specifications of D12363VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
84
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, 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
-
Program Memory Size
-
Other names
HD6412363VTE33
HD6412363VTE33
HD6412363VTE33
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12363VTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 594 of 1044
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Section 13 Watchdog Timer
13.4
13.4.1
To use the WDT as a watchdog timer mode, set the WT/IT and TME bits in TCSR to 1.
If TCNT overflows without being rewritten because of a system crash or other error, the
WDTOVF signal is output.
This ensures that TCNT does not overflow while the system is operating normally. Software must
prevent TCNT overflows by rewriting the TCNT value (normally be writing H'00) before
overflow occurs. This WDTOVF signal can be used to reset the chip internally in watchdog timer
mode.
If TCNT overflows when 1 is set in the RSTE bit in RSTCSR, a signal that resets this LSI
internally is generated at the same time as the WDTOVF signal. If a reset caused by a signal input
to the RES pin occurs at the same time as a reset caused by a WDT overflow, the RES pin reset
has priority and the WOVF bit in RSTCSR is cleared to 0.
The WDTOVF signal is output for 132 states when RSTE = 1, and for 130 states when RSTE = 0.
The internal reset signal is output for 518 states.
When TCNT overflows in watchdog timer mode, the WOVF bit in RSTCSR is set to 1. If TCNT
overflows when 1 is set in the RSTE bit in RSTCSR, an internal reset signal is generated to the
entire chip.
Rev.6.00 Mar. 18, 2009 Page 534 of 980
REJ09B0050-0600
Operation
Watchdog Timer Mode
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