參數(shù)資料
型號(hào)： RTL8308B
廠商： Electronic Theatre Controls, Inc.
英文描述： REALTEK SINGLE CHIP 8-PORT 10/100 ETHERNET SWITCH CONTROLLER WITH EMBEDDED MEMORY
中文描述： 瑞昱單片8端口10/100以太網(wǎng)交換機(jī)控制器，嵌入式存儲(chǔ)器
文件頁(yè)數(shù)： 19/28頁(yè)
文件大小： 397K
代理商： RTL8308B
RTL8308B
2002/01/23
Rev. 2.0
19
6.22 24LC02 Device Operation
Clock and Data transitions: The SDA pin is normally pulled high by an external resister. Data on the SDA pin may
change only during SCL low time periods. Data changes during SCL high periods will indicate a start or stop
condition as defined below.
Start condition
:
A high-to-low transition of SDA with SCL high is a start condition which must
precede any other command.
Stop condition:
A low-to-high transition of SDA with SCL high is a stop condition.
Acknowledge:
All addresses and data are transmitted serially to and from the EEPROM in 8-bit
words. The 24LC02 sends a zero to acknowledge that it has received each word. This
happens during the ninth clock cycle.
Random Read
:
A random read requires a "dummy" byte write sequence to load in the data word address.
Sequential Read
: For the RTL8308, the sequential reads are initiated by a random address read. After
the 24LC02 receives a data word, it responds with an acknowledgement. As long as
the 24LC02 receives an acknowledgement, it will continue to increment the data word
address and serially clock out sequential data words.
*
Start and Stop
Definition
SDA
SCL
START STOP
*
Output Acknowledge
SCL 1 8 9
DATA IN
DATA OUT
START ACKNOWLEDGE
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RTL8316 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Specifications
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