Texas Instruments DM6467 Digital Video Evaluation Module TMDXEVM6467T TMDXEVM6467T Datenbogen
![Texas Instruments](https://files.manualsbrain.com/attachments/b46f99d826b2b0e0e5f558c5fb6483942eb9216b/common/fit/150/50/c15ea36eb1fb1cce99a3b94668675bfc78ce832d8d727d9a7bb51a125510/brand_logo.gif)
Produktcode
TMDXEVM6467T
MRCLK (Input)
1
2
MRXD7−MRXD4(GMII only),
MRXD3−MRXD0,
MRXDV, MRXER (Inputs)
GMTCLK
(Output)
(Output)
2
3
1
4
4
SPRS605C – JULY 2009 – REVISED JUNE 2012
Table 7-74. Switching Characteristics Over Recommended Operating Conditions for GMTCLK - GMII
Operation (see
-1G
NO.
PARAMETER
1000 Mbps
UNIT
MIN
MAX
1
t
c(GMTCLK)
Cycle time, GMTCLK
8
ns
2
t
w(GMTCLKH)
Pulse duration, GMTCLK high
2.8
ns
3
t
w(GMTCLKL)
Pulse duration, GMTCLK low
2.8
ns
4
t
t(GMTCLK)
Transition time, GMTCLK
1
ns
Figure 7-52. GMTCLK Timing (EMAC – Transmit) [GMII Operation]
Table 7-75. Timing Requirements for EMAC MII and GMII Receive 10/100/1000 Mbit/s
(1)
(see
-1G
NO.
1000 Mbps
100/10 Mbps
UNIT
MIN
MAX
MIN
MAX
Setup time, receive selected signals valid before
1
t
su(MRXD-MRCLKH)
2
8
ns
MRCLK high
Hold time, receive selected signals valid after
2
t
h(MRCLKH-MRXD)
0
8
ns
MRCLK high
(1)
For MII, Receive selected signals include: MRXD[3:0], MRXDV, and MRXER.
For GMII, Receive selected signals include: MRXD[7:0], MRXDV, and MRXER.
For GMII, Receive selected signals include: MRXD[7:0], MRXDV, and MRXER.
Figure 7-53. EMAC Receive Interface Timing [MII and GMII Operation]
Copyright © 2009–2012, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
257
Product Folder Link(s):