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參數(shù)資料
| 型號： | HA16129FPJ |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Single Watchdog Timer |
| 中文描述： | 單看門狗定時器 |
| 文件頁數(shù)： | 10/24頁 |
| 文件大小： | 135K |
| 代理商： | HA16129FPJ |
HA16129FPJ
10
Calculation Formulas
(cont)
Item
Formula
Notes
WDT.
f
Line1
=
f
Line2
= 24% (fixed)
0.024
Cf · Rf
f
Line3
=
f
Line4
= 99%
The relationship between
f
Line1
and f
Line3
f
Line1
= f
Line3
×
12.9 (Du – 24)
Du: The P-RUN signal duty cycle
0.31
×
(Du – 24)
Cf · Rf
The WDT function judges whether the P-RUN pulse
signal is normal or not. If the WDT function judges the
P-RUN pulse signal to be abnormal, it outputs a reset
signal. The normal range is the area enclosed by f
Line1
to
f
Line4
in the figure.
t
L
t
H
Du =
×
100
t
H
t
H
+ t
L
f
Line1
Duty
F
Normal
operation
area
f
Line2
f
Line3
f
Line4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA16129 | 1500000 SYSTEM GATE 1.5 VOLT FPGA |
| HA16129AFPJ | Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. |
| HA16138 | AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
| HA16138PS | AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
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相關(guān)代理商/技術(shù)參數(shù) |
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| HA16138 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
| HA16138PS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
| HA16141FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
| HA16141P | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:PFC and PWM Controller |
| HA16141P_05 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PFC and PWM Controller |
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