參數(shù)資料
型號: DS33ZH11
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: Ethernet Mapper
中文描述: DATACOM, NETWORK INTERFACE SUPPORT CIRCUIT, PBGA100
封裝: 10 X 10 MM, 1.41 MM HEIGHT, 0.80 MM PITCH, CSBGA-100
文件頁數(shù): 139/169頁
文件大?。?/td> 1049K
代理商: DS33ZH11
DS33Z11 Ethernet Mapper
139 of 169
10 FUNCTIONAL TIMING
10.1 Functional Serial I/O Timing
The Serial Interface provides flexible timing to interconnect with a wide variety of serial interfaces. TDEN is an
input signal that can be used to enable or block the TSER data. The “shaded bits” are not clocked by the
DS33Z11. The TDEN must occur one bit before the effected bit in the TSER stream. Note that polarity of the
TDEN is selectable through LI.TSLCR. In the figure below, TDEN is active low , allowing the bits to clock and
inactive high, causing the next data bit not be clocked. TCLK can be gapped as shown in the following figure.
Similarly, the receiver function is governed by RCLKI, RDEN and RSER. RSER data will not be provided to the
receiver for the bits blocked when RDEN is inactive. The RDEN polarity can be programmed by LI.RSLCR. The
RDEN signal must be coincident with the RSER bit that needs to be blocked.
Figure 10-1 TX Serial Interface Functional Timing
TCLK
gTSER
TSER
TCLKI
TDEN
TCLK Gapped
Figure 10-2 RX Serial Interface Functional Timing
TSER
RCLKI
RDEN
RSER
RCLK Gapped
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