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| 型號(hào)： | X4003M8Z-4.5A |
| 廠商： | INTERSIL CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | RTC Module With CPU Supervisor |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | 3 MM, ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8 |
| 文件頁(yè)數(shù)： | 10/18頁(yè) |
| 文件大?。?/td> | 279K |
| 代理商： | X4003M8Z-4.5A |
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10
FN8113.1
May 11, 2006
Figure 7. Acknowledge Response From Receiver
SERIAL WRITE OPERATIONS
Slave Address Byte
Following a start condition, the master must output a
slave address byte. This byte consists of several parts:
– a device type identifier that is always ‘1011’.
– two bits of ‘0’.
– one bit of the slave command byte is a R/W bit. The
R/W bit of the slave address byte defines the opera-
tion to be performed. When the R/W bit is a one,
then a read operation is selected. A zero selects a
write operation. Refer to Figure 8.
– After loading the entire slave address byte from the
SDA bus, the device compares the input slave byte
data to the proper slave byte. Upon a correct com-
pare, the device outputs an acknowledge on the
SDA line.
Write Control Register
To write to the control register, the device requires the
slave address byte and a byte address. This gives the
master access to register. After receipt of the address
byte, the device responds with an acknowledge, and
awaits the data. After receiving the 8 bits of the data byte,
the device again responds with an acknowledge. The
master then terminates the transfer by generating a stop
condition, at which time the device begins the internal
write cycle to the nonvolatile memory. During this internal
write cycle, the device inputs are disabled, so the device
will not respond to any requests from the master. If WP is
HIGH, the control register cannot be changed. A write to
the control register will suppress the acknowledge bit and
no data in the control register will change. With WP low,
a second byte written to the control register terminates
the operation and no write occurs.
Stops and Write Modes
Stop conditions that terminate write operations must
be sent by the master after sending 1 full data byte
plus the subsequent ACK signal. If a stop is issued in
the middle of a data byte, or before 1 full data byte
plus its associated ACK is sent, then the device will
reset itself without performing the write.
Figure 8. Write Control Register Sequence
Data Output
from
Data Output
from Receiver
8
1
9
Start
Acknowledge
SCL from
Master
0
Slave
Address
Byte
Address
Data
A
C
K
A
C
K
A
C
K
SDA Bus
Signals from
the Slave
Signals from
the Master
S
S
1
0
0
1
1
0
1
1
1
1
1
1
1
1
1
X4003, X4005
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| X4003S8 | 功能描述:IC SUPERVISOR CPU I2C 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類(lèi)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(lèi)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 |
| X4003S8-1.8 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:CPU Supervisor |
| X4003S8-2.7 | 功能描述:IC SUPERVISOR CPU I2C 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類(lèi)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(lèi)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 |
| X4003S8-2.7A | 功能描述:IC SUPERVISOR CPU I2C 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 類(lèi)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(lèi)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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