MT7620 View Datasheet(PDF) - MediaTek Inc
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MT7620 Datasheet PDF : 54 Pages
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MT7620 DATASHEET
Integrated 802.11n MAC/BBP and 2.4 GHz RF/FEM Router-on-a-Chip
Table of Figures
FIGURE 2-1 DR-QFN PIN DIAGRAM (LEFT VIEW) .............................................................................................................. 9
FIGURE 2-2 DR-QFN PIN DIAGRAM (RIGHT SIDE VIEW) ................................................................................................... 10
FIGURE 2-3 MII MII PHY ..................................................................................................................................... 29
FIGURE 2-4 RVMII MII MAC ................................................................................................................................ 29
FIGURE 2-5 RGMII RGMII PHY............................................................................................................................. 29
FIGURE 2-6 RGMII RGMII MAC ........................................................................................................................... 29
FIGURE 3-1 SDRAM INTERFACE .................................................................................................................................. 33
FIGURE 3-2 DDR2 SDRAM COMMAND ....................................................................................................................... 34
FIGURE 3-3 DDR2 SDRAM WRITE DATA...................................................................................................................... 34
FIGURE 3-4 DDR2 SDRAM READ DATA ....................................................................................................................... 34
FIGURE 3-5 RGMII INTERFACE .................................................................................................................................... 36
FIGURE 3-6 MII INTERFACE......................................................................................................................................... 37
FIGURE 3-7 RVMII INTERFACE ..................................................................................................................................... 38
FIGURE 3-8 SPI INTERFACE ......................................................................................................................................... 39
FIGURE 3-9 I2S INTERFACE ......................................................................................................................................... 40
FIGURE 3-10 PCM INTERFACE..................................................................................................................................... 41
FIGURE 3-11 POWER ON SEQUENCE ............................................................................................................................ 42
FIGURE 3-12 TFBGA TOP VIEW .................................................................................................................................. 43
FIGURE 3-13 TFBGA SIDE VIEW.................................................................................................................................. 43
FIGURE 3-14 TFBGA “A” EXPANDED ........................................................................................................................... 43
FIGURE 3-15 TFBGA BOTTOM VIEW............................................................................................................................ 44
FIGURE 3-16 TFBGA “B” EXPANDED ........................................................................................................................... 44
FIGURE 3-17 DR-QFN TOP VIEW ................................................................................................................................ 45
FIGURE 3-18 DR-QFN SIDE VIEW ............................................................................................................................... 45
FIGURE 3-19 DR-QFN “B” EXPANDED ......................................................................................................................... 45
FIGURE 3-20 DR-QFN BOTTOM VIEW ......................................................................................................................... 46
FIGURE 3-21 DR-QFN “A” EXPANDED......................................................................................................................... 46
FIGURE 3-22 MT7620N TOP MARKING ........................................................................................................................ 48
FIGURE 3-23 MT7620A TOP MARKING ........................................................................................................................ 48
FIGURE 3-24 REFLOW PROFILE FOR MT7620 ................................................................................................................ 49
List of Tables
TABLE 1-1 MAIN FEATURES........................................................................................................................................... 6
TABLE 2-1 DDR2 BALL MAP ......................................................................................................................................... 8
TABLE 3-1 ABSOLUTE MAXIMUM RATINGS .................................................................................................................... 31
TABLE 3-2 MAXIMUM TEMPERATURES.......................................................................................................................... 31
TABLE 3-3 OPERATING CONDITIONS ............................................................................................................................. 31
TABLE 3-4 THERMAL CHARACTERISTICS ......................................................................................................................... 31
TABLE 3-5 EXTERNAL XTAL SPECIFICATIONS.................................................................................................................... 32
TABLE 3-6 DC ELECTRICAL CHARACTERISTICS.................................................................................................................. 32
TABLE 3-7 VDD 2.5V ELECTRICAL CHARACTERISTICS ........................................................................................................ 32
TABLE 3-8 SDRAM INTERFACE DIAGRAM KEY................................................................................................................ 33
TABLE 3-9 DDR2 SDRAM INTERFACE DIAGRAM KEY ...................................................................................................... 35
TABLE 3-10 RGMII INTERFACE DIAGRAM KEY................................................................................................................ 36
TABLE 3-11 MII INTERFACE DIAGRAM KEY .................................................................................................................... 37
TABLE 3-12 RVMII INTERFACE DIAGRAM KEY ................................................................................................................ 38
TABLE 3-13 SPI INTERFACE DIAGRAM KEY ..................................................................................................................... 39
DSMT7620_V.1.3_091212
Page 4 of 54
loginid=yj.huo@z-linkelec.com,time=2012-11-23 11:46:26,ip=14.153.195.177,doctitle=MT7620_Datasheet_20121114.pdf,company=Z-Link Limited 香港瑞聯電子_RLT
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