HD6432646 Hitachi, HD6432646 Datasheet - Page 447
![no-image](/images/manufacturer_photos/0/3/301/hitachi_sml.jpg)
HD6432646
Manufacturer Part Number
HD6432646
Description
(HD64F264x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432646.pdf
(1155 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD6432646A52FCJ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD6432646B37FCJ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD6432646B67FCJ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
HD6432646B99FCJ
Manufacturer:
MOT
Quantity:
44
Part Number:
HD6432646B99FCJ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
HD6432646C41FCJ
Manufacturer:
RENESAS
Quantity:
1 954
Part Number:
HD6432646C41FCJ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
HD6432646C64FCJ
Manufacturer:
RENESAS
Quantity:
1 500
Company:
Part Number:
HD6432646C90FCJV
Manufacturer:
RENESAS
Quantity:
3 967
Company:
Part Number:
HD6432646D08FCJV
Manufacturer:
RENESAS
Quantity:
1 700
- Current page: 447 of 1155
- Download datasheet (5Mb)
12.1
The H8S/2646 Series has an on-chip watchdog timer with two channels (WDT0, WDT1). The
WDT can also generate an internal reset signal for the H8S/2646 Series if a system crash prevents
the CPU from writing to the timer counter, 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.
12.1.1
WDT features are listed below.
Switchable between watchdog timer mode and interval timer mode
An internal reset can be issued if the timer counter overflows.
In the watchdog timer mode, the WDT can generate an internal reset.
Interrupt generation when in interval timer mode
If the counter overflows, the WDT generates an interval timer interrupt.
WDT0 and WDT1 respectively allow eight and sixteen types of counter input clock to be
selected
The maximum interval of the WDT is given as a system clock cycle
A subclock may be selected for the input counter of WDT1.
Where a subclock is selected, the maximum interval is given as a subclock cycle
Overview
Features
Section 12 Watchdog Timer
131072 256.
256 256.
413
Related parts for HD6432646
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PM45502C](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
Silicon N-Channel Power MOS FET Module
Manufacturer:
HITACHI
Datasheet:
![PM50502C](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
High Speed Power Switching
Manufacturer:
HITACHI
Datasheet:
![MBN1200D33A](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
Silicon N-Channel IGBT
Manufacturer:
HITACHI
Datasheet:
![MBM200A6](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
![MBM100A6](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
![MBN300F12](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
![HD63484P8](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
8MHz V(cc): -0.3 to +7.0V V(in): -0.3 to +0.3V advanced CRT controller (ACRTC)
Manufacturer:
HITACHI
Datasheet:
![HM53461P-10](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
65,536-WORD x 4-BIT MULTIPORT CMOS VIDEO RAM
Manufacturer:
HITACHI
Datasheet:
![HM53461P-12](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
65,536-WORD x 4-BIT MULTIPORT CMOS VIDEO RAM
Manufacturer:
HITACHI
Datasheet:
![HM6208HLP-25](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
65,536-word ? 4-bit High Speed CMOS Static RAM
Manufacturer:
HITACHI
Datasheet:
![HD44233P](/images/manufacturer_photos/0/3/301/hitachi_tmb.jpg)
Part Number:
Description:
SINGLE CHIP CODEC WITH FILTERS(COMBO)
Manufacturer:
HITACHI
Datasheet: