參數(shù)資料
型號: ADM7008
廠商: Electronic Theatre Controls, Inc.
英文描述: Octal Ethernet 10/100M PHY
中文描述: 八路個10/100M以太網(wǎng)物理層
文件頁數(shù): 89/92頁
文件大?。?/td> 981K
代理商: ADM7008
ADM7008
Electrical Specification
5.4.4 SMII/SS_SMII Receive Timing
Figure 5-9 SMII/SS_SMII Receive Timing
Symbol
t_SR_MH2CSH
10
0
t_SR_MH2CSH
10
Signal Detected on Medium to CRS High
(10M)
t_SR_ML2CSL
10
0
10
IDLE Detected on Medium to CRS low (10M)
t_SR_MH2DVH
1
00
Valid (100M)
t_SR_MH2DVH
1
0
Valid (10M)
t_SR_DDLY
SMII
TXCLK Rising to SYNC/RXD Delay Time
(SMII)
t_SR_DDLY
SS_S
MII
Time (SS_SMII)
Table 5-12 SMII/SS_SMII Receive Timing
Description
Signal Detected on Medium to CRS High
(100M)
MIN
TYP
MAX UNIT
430
ns
680
ns
IDLE Detected on Medium to CRS low (100M)
420
ns
240
470
ns
ns
Signal Detected on Medium to Receive Data
Signal Detected on Medium to Receive Data
3840
ns
5
ns
RXCLK Rising to RX_SYNC/RXD Delay
5
ns
t_SR_ML2CSL
ADMtek Inc.
5-10
TXCLK (SMII)
RXCLK(SS_SMII)
RXD
CRS
= 1
RXDV
= 0
RXD6
FCE
t_SR_DDLY
SYNC (SMII)
RX_SYNC (SS_SMII)
RXD7
RXD7
CRS
= 0
RXDV
= 0
NON_IDLE
(Internal)
CRS
= 1
RXDV
= 1
t_SR_MH2CSH
t_SR_MH2DVH
RXD5
VALID
t_SR_ML2CSL
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