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參數(shù)資料
| 型號： | X40014V8-B |
| 英文描述： | VIDEO GRAPHICS INFO DISPLAY PLUS |
| 中文描述： | 雙電壓監(jiān)視器集成CPU監(jiān)控 |
| 文件頁數(shù)： | 5/25頁 |
| 文件大?。?/td> | 124K |
| 代理商： | X40014V8-B |
X40010/X40011/X40014/X40015 – Preliminary
Characteristics subject to change without notice.
5 of 25
REV 1.3.4 7/12/02
www.xicor.com
Setting a Lower V
TRIPx
Voltage (x=1, 2)
In order to set V
TRIPx
to a lower voltage than the
present value, then V
TRIPx
must first be “reset” accord-
ing to the procedure described below. Once V
TRIPx
has been “reset”, then V
TRIPx
can be set to the desired
voltage using the procedure described in “Setting a
Higher V
TRIPx
Voltage”.
Resetting the V
TRIPx
Voltage
To reset a V
TRIPx
voltage, apply the programming volt-
age (Vp) to the WDO pin before a START condition is
set up on SDA. Next, issue on the SDA pin the Slave
Address A0h followed by the Byte Address 03h for
V
TRIP1
and 0Bh for V
TRIP2
, followed by 00h for the
Data Byte in order to reset V
TRIPx
. The STOP bit fol-
lowing a valid write operation initiates the programming
sequence. Pin WDO must then be brought LOW to
complete the operation.
After being reset, the value of V
TRIPx
becomes a nomi-
nal value of 1.7V or lesser.
Note:
This operation does not corrupt the memory
array.
CONTROL REGISTER
The Control Register provides the user a mechanism
for changing the Block Lock and Watchdog Timer set-
tings. The Block Lock and Watchdog Timer bits are
nonvolatile and do not change when power is removed.
The Control Register is accessed with a special pre-
amble in the slave byte (1011) and is located at
address 1FFh. It can only be modified by performing a
byte write operation directly to the address of the regis-
ter and only one data byte is allowed for each register
write operation. Prior to writing to the Control Register,
the WEL and RWEL bits must be set using a two step
process, with the whole sequence requiring 3 steps.
See "Writing to the Control Registers" on page 7.
The user must issue a stop, after sending this byte to
the register, to initiate the nonvolatile cycle that stores
WD1, WD0, PUP1, PUP0, BP1, and BP0. The X40010/
11/14/15 will not acknowledge any data bytes written
after the first byte is entered.
The state of the Control Register can be read at any
time by performing a random read at address 01Fh,
using the special preamble. Only one byte is read by
each register read operation. The master should sup-
ply a stop condition to be consistent with the bus proto-
col, but a stop is not required to end this operation.
RWEL: Register Write Enable Latch (Volatile)
The RWEL bit must be set to “1” prior to a write to the
Control Register.
7
6
5
4
3
0
2
1
0
PUP1 WD1
WD0
BP
RWEL WEL PUP0
Figure 4. Sample V
TRIP
Reset Circuit
1
3
2
4
8
7
6
5
SOIC
X4001x
V
TRIP1
Adj.
V
P
RESET
4.7K
SDA
SCL
μC
Adjust
Run
V2FAIL
V
TRIP2
Adj.
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| X40010S8I-A | Dual Voltage Monitor with Integrated CPU Supervisor |
| X40010S8I-B | Dual Voltage Monitor with Integrated CPU Supervisor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X40014V8-BT1 | 功能描述:IC VOLTAGE MONITOR DUAL 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: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 |
| X40014V8-C | 功能描述:IC VOLTAGE MONITOR DUAL 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: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 |
| X40014V8-CT1 | 功能描述:IC VOLTAGE MONITOR DUAL 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: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 |
| X40014V8I-A | 功能描述:IC VOLTAGE MONITOR DUAL 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: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 |
| X40014V8I-AT1 | 功能描述:IC VOLTAGE MONITOR DUAL 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: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 |
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