Datasheet

PRODUCTPREVIEW
RGTXC
RGTD[3:0]
RGTXCTL
6
7
4
1
2
3
TMS320C6472
SPRS612G–JUNE 2009– REVISED JULY 2011 www.ti.com
Table 7-120. Switching Characteristics Over Recommended Operating Conditions for EMAC RGMII
Output Operation 10/100/1000 Mbit/s
(see Figure 7-54)
500/625/700
NO. PARAMETER SPEED UNIT
MIN MAX
10 Mbps 360 440
1 t
c(RGTXC)
Cycle time, RGTXC 100 Mbps 36 44 ns
1000 Mbps 7.2 8.8
10/100 Mbps 0.40*t
c(RGTXC)
0.60*t
c(RGTXC)
2 t
w(RGTXCH)
Pulse duration, RGTXC high ns
1000 Mbps 0.45*t
c(RGTXC)
0.55*t
c(RGTXC)
10/100 Mbps 0.40*t
c(RGTXC)
0.60*t
c(RGTXC)
3 t
w(RGTXCL)
Pulse duration, RGTXC low ns
1000 Mbps 0.45*t
c(RGTXC)
0.55*t
c(RGTXC)
4 t
t(RGTXC)
Transition time, RGTXC 10/100/1000 Mbps 0.75 ns
6 t
su(RGTDV-RGTXC)
Setup time, transmit selected signals 10/100/1000 Mbps
(RGTD[3:0] and RGTXCTL) valid before 1.2 ns
RGTXC high/low
7 t
h(RGTXC-RGTDV)
Hold time, transmit selected signals 10/100/1000 Mbps
(RGTD[3:0] and RGTXCTL) valid after 1.2 ns
RGTXC high/low
Figure 7-54. RGMII Output Timing
232 C64x+ Peripheral Information and Electrical Specifications Copyright © 2009–2011, Texas Instruments Incorporated
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