參數(shù)資料
型號: DS3253N
英文描述: Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
中文描述: 單/雙/三/四DS3/E3/STS-1柳斯
文件頁數(shù): 38/71頁
文件大?。?/td> 925K
代理商: DS3253N
DS3251/DS3252/DS3253/DS3254
38 of 71
Early Termination of Bus Transactions.
The bus master can terminate SPI bus transactions at any time by
pulling
CS
high. In response to early terminations, the DS325x resets its SPI interface logic and waits for the start
of the next transaction. If a write transaction is terminated prior to the SCLK edge that latches the LSB of a data
byte, the current data byte is not written.
Design Option: Wiring SDI and SDO Together.
Because communication between the bus master and the
DS325x is half-duplex, the SDI and SDO pins can be wired together externally to reduce wire count. To support
this option, the bus master must not drive the SDI/SDO line when the DS325x is transmitting.
AC Timing.
See
Table 17-I
and
Figure 17-5
for AC timing specifications for the SPI interface.
Figure 15-1. SPI Clock Polarity and Phase Options
MSB
LSB
6
5
4
3
2
1
CS
SCK
SCK
SCK
SCK
SDI/SDO
CLOCK EDGE USED FOR DATA CAPTURE (ALL MODES)
CPOL = 0, CPHA = 0
CPOL = 0, CPHA = 1
CPOL = 1, CPHA = 0
CPOL = 1, CPHA = 1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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DS3253NA3 制造商:Maxim Integrated Products 功能描述:DS3253 REV A3 - Rail/Tube
DS3254 功能描述:網(wǎng)絡控制器與處理器 IC Quad DS3/E3/STS-1 Line Interface Unit RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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