參數(shù)資料
型號(hào)： L4969
廠商： 意法半導(dǎo)體
英文描述： SYSTEM VOLTAGE REGULATOR WITH FAULT TOLERANT LOW SPEED CAN-TRANSCEIVER
中文描述： 系統(tǒng)電壓調(diào)節(jié)器容錯(cuò)低速的CAN收發(fā)器
文件頁(yè)數(shù)： 25/35頁(yè)
文件大?。?/td> 337K
代理商： L4969
25/35
L4969
2.5.4 Wakeup Watchdog
Figure 20.
If the Timer is activated during Normal mode by setting WDEN in WDC, an “acknowledge-free” sequence is
started for a predefied programmable time. Window Watchdog activity is resumed after expiry of the timer.
To be able to detect the timeout, the corresponding interrupt enable must be set in GIEN.
This mode can also be used to allow a bootstrap loader mode with longer execution times than the maximum
specified window. Correct startup of this loader is safely detected upon missing response following the timeout.
The timer can always be restarted by rewriting WDEN twice in WDC with a new timing.
Window Wd
Window Wd
Timer (80ms .. 45min)
NINT
Ack Window &
Start Timer
Timeout and resume Window Wd
Interrupt active upon timeout (via GIEN)
restart timer
at any time
writing WDC twice
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4969013TR 功能描述:低壓差穩(wěn)壓器 - LDO Triple w/Lo-Spd Tran RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L4969D 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Triple w/Lo-Spd Tran RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
L4969D013TR 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Triple w/Lo-Spd Tran RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
L4969MD 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SYSTEM VOLTAGE REGULATOR WITH FAULT TOLERANT LOW SPEED CAN-TRANSCEIVER
L4969UR 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) BODY SMARTPOWER RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
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