Datasheet

PRODUCTPREVIEW
RGRXC
RGRD[3:0]
RGRXCTL
12
13
11
10
9
8
TMS320C6472
www.ti.com SPRS612G–JUNE 2009– REVISED JULY 2011
Table 7-121. Timing Requirements for EMAC RGMII Input Operation 10/100/1000 Mbit/s
(see Figure 7-55)
500/625/700
NO. PARAMETER SPEED UNIT
MIN MAX
8 t
c(RGRXC)
Cycle time, RGRXC 10 Mbps 360 440
100 Mbps 36 44 ns
1000 Mbps 7.2 8.8
9 t
w(RGRXCH)
Pulse duration, RGRXC high 10/100 Mbps 0.40*t
c(RGRXC)
0.60*t
c(RGRXC)
ns
1000 Mbps 0.45*t
c(RGRXC)
0.55*t
c(RGRXC)
10 t
w(RGRXCL)
Pulse duration, RGRXC low 10/100 Mbps 0.40*t
c(RGRXC)
0.60*t
c(RGRXC)
ns
1000 Mbps 0.55*tc(RGRX
0.45*t
c(RGRXC)
C)
11 t
t(RGRXC)
Transition time, RGRXC 10/100/1000 Mbps 0.75 ns
12 t
su(RGRDV-RGRXC)
Setup time, transmit selected signals 10/100/1000 Mbps
(RGRD[3:0] and RGRXCTL) valid before 1.2 ns
RGRXC high/low
13 t
h(RGRXC-RGRDV)
Hold time, transmit selected signals 10/100/1000 Mbps
(RGRD[3:0] and RGRXCTL) valid after 1.2 ns
RGRXC high/low
Figure 7-55. RGMII Input Timing
Copyright © 2009–2011, Texas Instruments Incorporated C64x+ Peripheral Information and Electrical Specifications 233
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