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參數(shù)資料
| 型號： | X9523B20I-A |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | RECTIFIER FAST-RECOVERY SINGLE 3A 50V 125A-ifsm 0.95V-vf 35ns 5uA-ir DO-201AD 1.2K/REEL-13 |
| 中文描述： | DIGITAL POTENTIOMETER, BGA20 |
| 封裝： | BGA-20 |
| 文件頁數(shù)： | 5/30頁 |
| 文件大小： | 509K |
| 代理商： | X9523B20I-A |
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5
FN8209.0
March 10, 2005
minate further data transmissions if an ACKNOWLEDGE
is not detected. The master must then issue a STOP
condition to place the device into a known state.
DEVICE INTERNAL ADDRESSING
Addressing Protocol Overview
The user addressable internal components of the X9523
can be split up into two main parts:
—Two Digitally Controlled Potentiometers (DCPs)
—Control and Status (CONSTAT) Register
Depending upon the operation to be performed on
each of these individual parts, a 1, 2 or 3 Byte proto-
col is used. All operations however must begin with
the Slave Address Byte being issued on the SDA pin.
The Slave address selects the part of the X9523 to
be addressed, and specifies if a Read or Write opera-
tion is to be performed.
It should be noted that in order to perform a write opera-
tion to a DCP, the Write Enable Latch (WEL) bit must first
be set (See “WEL: Write Enable Latch (Volatile)” on
page 10.).
Slave Address Byte
Following a START condition, the master must output a
Slave Address Byte (Refer to Figure 4.). This byte con-
sists of three parts:
—The Device Type Identifier which consists of the most
significant four bits of the Slave Address (SA7 - SA4).
The Device Type Identifier must always be set to 1010
in order to select the X9523.
—The next three bits (SA3 - SA1) are the Internal Device
Address bits. Setting these bits to 111 internally
selects the DCP structures in the X9523. The CON-
STAT Register may be selected using the Internal
Device Address 010.
—The Least Significant Bit of the Slave Address (SA0)
Byte is the R/W bit. This bit defines the operation to be
performed on the device being addressed (as defined
in the bits SA3 - SA1). When the R/W bit is “1”, then a
READ operation is selected. A “0” selects a WRITE
operation (Refer to Figure 4.)
Nonvolatile Write Acknowledge Polling
After a nonvolatile write command sequence (for either
the Non Volatile Memory of a DCP (NVM), or the CON-
STAT Register) has been correctly issued (including the
Data Output
from
Transmitter
Data Output
from
Receiver
8
1
9
Start
Acknowledge
Figure 3.
Acknowledge Response From Receiver
SCL
from
Master
SA6
SA7
SA5
SA3
SA2
SA1
SA0
DEVICE TYPE
IDENTIFIER
READ /
WRITE
SA4
Internal Address
(SA3 - SA1)
010
111
All Others
Internally Addressed
Device
CONSTAT Register
DCP
RESERVED
Bit SA0
0
1
Operation
WRITE
READ
R/W
Figure 4.
Slave Address Format
1
0
1
0
ADDRESS
INTERNAL
DEVICE
X9523
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相關代理商/技術參數(shù) |
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| X9523B20I-B | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Laser Diode Control for Fiber Optic Modules |
| X9523V20I-A | 功能描述:IC DUAL DCP LASER CNTRL 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅動器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:激光二極管驅動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應商設備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-AT1 | 功能描述:IC DCP DUAL EEPROM MEM 20-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅動器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:激光二極管驅動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應商設備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-B | 功能描述:IC DUAL DCP LASER CNTRL 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅動器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:激光二極管驅動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應商設備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9523V20I-BT1 | 功能描述:IC DCP DUAL EEPROM MEM 20-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 激光驅動器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:激光二極管驅動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應商設備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
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