HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 433
HD6433045
Manufacturer Part Number
HD6433045
Description
Hitachi Single-Chip Microcomputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6433045.pdf
(867 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6433045A58F
Manufacturer:
PWRT
Quantity:
4 172
Part Number:
HD6433045SA28FV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 433 of 867
- Download datasheet (3Mb)
12.1 Overview
The H8/3048 Series has an on-chip watchdog timer (WDT). The WDT has two selectable
functions: it can operate as a watchdog timer to supervise system operation, or it can operate as an
interval timer. As a watchdog timer, it generates a reset signal for the chip if a system crash allows
the timer counter (TCNT) to overflow before being rewritten. In interval timer operation, an
interval timer interrupt is requested at each TCNT overflow.
12.1.1 Features
WDT features are listed below.
•
•
•
•
Selection of eight counter clock sources
ø/2, ø/32, ø/64, ø/128, ø/256, ø/512, ø/2048, or ø/4096
Interval timer option
Timer counter overflow generates a reset signal or interrupt.
The reset signal is generated in watchdog timer operation. An interval timer interrupt is
generated in interval timer operation.
Watchdog timer reset signal resets the entire chip internally, and can also be output externally.
The reset signal generated by timer counter overflow during watchdog timer operation resets
the entire chip internally. An external reset signal can be output from the RESO pin to reset
other system devices simultaneously.
Section 12 Watchdog Timer
421
Related parts for HD6433045
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
LOW FREQUENCY POWER AMPLIFIER
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON N-CHANNEL JUNCTION FET LOW FREQUECY LOW NOISE AMPLIFIER
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON SPEED POWER SWITCHING
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET HIGH SPEED POWER SWITCHING
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet: