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參數(shù)資料
| 型號(hào)： | X4165V8I-2.7A |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | IGBT Module; Continuous Collector Current, Ic:75A; Collector Emitter Saturation Voltage, Vce(sat):3V; Collector Emitter Voltage, Vceo:1200V; Leaded Process Compatible:Yes; Package/Case:D61; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | PLASTIC, MO-153AC, TSSOP-8 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大小： | 118K |
| 代理商： | X4165V8I-2.7A |
X46402
Characteristics subject to change without notice.
11 of 23
ACK Polling
Once a stop condition is issued to indicate the end of
the host’s write sequence, the X46402 initiates the
internal nonvolatile write cycle. In order to take advan-
tage of the typical 5ms write cycle, ACK polling can
begin immediately. This involves issuing the start condi-
tion followed by the new command code of 8 bits (1st
byte of the protocol.) If the X46402 is still busy with the
nonvolatile write operation, it will issue a “no-ACK” in
response. If the nonvolatile write operation has com-
pleted, an “ACK” will be returned and the host can then
proceed with the rest of the protocol. See Figure 12.
After the password sequence, there is always a nonvol-
atile write cycle. This is done to discourage random
guesses of the password if the device is being tam-
pered with. In order to continue the transaction, the
X46402 requires the master to perform an ACK polling
with the specific code of F0h. As with regular Acknowl-
edge polling the user can either time out for 10ms, and
then issue the ACK polling once, or continuously loop
as described in the flow.
If the password that was inserted was correct, then an
“ACK” will be returned once the nonvolatile cycle is
over, in response to the ACK polling cycle immediately
following it.
If the password that was inserted was incorrect, then a
“no ACK” will be returned even if the nonvolatile cycle is
over. Therefore, the user cannot be certain that the
password is incorrect until the 10ms write cycle time
has elapsed.
Data ACK Polling Sequence
ACK
Returned
Issue New
Command Code
Write Sequence
Completed
Enter ACK Polling
Issue START
NO
YES
PROCEED
Password ACK Polling Sequence
ACK
Returned
Issue Password
ACK Command
Password Load
Completed
Enter ACK Polling
Issue START
NO
YES
PROCEED
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X4165V8I-4.5A | 功能描述:IC SUPERVISOR CPU 16K EE 8-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:- 復(fù)位:低有效 復(fù)位超時(shí):最小為 100 ms 電壓 - 閥值:4.38V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| X41D255 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| X41K1 | 制造商:ABB Low Voltage Products and Systems 功能描述:CCT,1KVA,460V,SINGLE |
| X41K403 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| X41K417 | 制造商:Harris Corporation 功能描述: |
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