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BU9883FV-W

更新时间： 2024-02-21 13:59:43
品牌 Logo 应用领域
罗姆 - ROHM 存储内存集成电路光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
页数 文件大小 规格书
19页 484K
描述
I2C BUS3Ports for HDMI Port Serial EEPROM

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中文翻译

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BU9883FV-W 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：5 X 6.40 MM, 1.35 MM HEIGHT, ROHS COMPLIANT, SSOP-16针数：16
Reach Compliance Code：compliant风险等级：5.62
最大时钟频率 (fCLK)：0.4 MHzJESD-30 代码：R-PDSO-G16
JESD-609代码：e2长度：5 mm
内存密度：16384 bit内存集成电路类型：EEPROM
内存宽度：8功能数量：1
端子数量：16字数：2048 words
字数代码：2000工作模式：SYNCHRONOUS
最高工作温度：85 °C最低工作温度：-40 °C
组织：2KX8封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH并行/串行：SERIAL
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.35 mm串行总线类型：I2C
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Copper (Sn/Cu)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mm最长写入周期时间 (tWC)：5 ms
Base Number Matches：1

BU9883FV-W 数据手册

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Technical Note  
BU9883FV-W  
○DEVICE ADDRESSING  
・Following a START condition, the master output the device address of the slave to be accessed.  
The most significant four bits of the slave address are the “device type indentifier,” for this device, this is fixed as “1010.”  
The next three bit specify a particular device. For PORT0 access, that are set “0”, “P1”, “P0”, for PORT 1～3 access, that  
must be set “000”.  
The last bit of the stream determines the operation to be performed.  
When set to “1” a read operation is selected ; when set to “0,” a write operation is selected.  
R/W set to “0” ･ ･ ･ ･ ･ ･ ･ ･ WRITE  
R/W set to “1” ･ ･ ･ ･ ･ ･ ･ ･ READ  
○ACKNOWLEDGE  
・Acknowledge is a software convention used to indicate successful data transfers.The master or the slave will release the  
bus after transmitting eight bits.During the ninth clock cycle, the receiver will pull the SDA line LOW to Acknowledgethat  
the eight bits of data has been received.  
・This device will respond with an Acknowledge after recognition of a START condition and its slave address.If both the  
device and a write operation have been selected, this device will respond with an Acknowledge, after the receipt of each  
subsequent 8-bit word.  
・In the READ mode, this device will transmit eight bit of data, release the SDA line, and monitor the line for an  
Acknowledge.  
・If an Acknowledge is detected, and no STOP condition is generated by the master, this device will continue to transmit  
the data.  
・If an Acknowledge is not detected, this device will terminate further data transmissions and await a STOP condition  
before returning to the standby mode.  
・This device dosen't return Acknouwedge in internal write cycle.  
START CONDITION  
(START BIT)  
SCL  
（Fromμ-COM）  
1
8
9
SDA  
（μ-COM  
OUTPUT DATA)  
SDA  
（IC OUTPUT DATA）  
Acknowledge Signal  
(ACK Signal)  
Fig.41 ACKNOWLEDGE RESPONSE FROM RECEIVER  
●PORT0 access commands  
○For PORT0 access, WPB terminal must be set to “HIGH”.  
S
T
A
R
T
W
R
I
T
E
S
T
O
P
SLAVE  
ADDRESS  
1st WORD  
ADDRESS(n)  
DATA(n)  
SDA  
LINE  
WA7  
P1 P0  
WA0  
D7  
1
0
1
0
0
D0  
R
/
W
A
C
K
A
C
K
WPB  
Fig.42 BYTE WRITE CYCLE TIMING (PORT0)  
○This write commands operate EEPROM write sequence at address which is appointed by P1, P0. When the master  
generates a STOP condition, this device begins the internal write cycle to the nonvolatile array.  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.B  
9/18  
1...6789101112...19

中文翻译

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