TMS320C6472EZTZ7 Datasheet, PDF (236/269 Pages) Texas Instruments – TMS320C6472 Fixed-Point Digital Signal Processor

TMS320C6472
SPRS612G – JUNE 2009 – REVISED JULY 2011
7.15.5.3 MDIO Electrical Data/Timing
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(see Figure 7-58)
Table 7-125. Timing Requirements for MDIO Input
NO.
1
t_c(MDCLK)
Cycle time, MDCLK
2
t_w(MDCLKH)
t_w(MDCLKL)
Pulse duration, MDCLK high
Pulse duration, MDCLK low
3
t_t(MDCLK)
Transition time, MDCLK
4 t_{su(MDIO-MDCLKH)} Setup time, MDIO data input valid before MDCLK high
5 t_{h(MDCLKH-MDIO)} Hold time, MDIO data input valid after MDCLK high
MDCLK
MDIO
(input)
1
2
2
4
5
Figure 7-58. MDIO Input Timing
500/625/700
MIN
MAX
400
180
180
5
25
10
UNIT
ns
ns
ns
ns
ns
ns
3
Table 7-126. Switching Characteristics Over Recommended Operating Conditions for MDIO Output
(see Figure 7-59)
NO.
PARAMETER
500/625/700
UNIT
MIN
MAX
7 t_{d(MDCLKL-MDIO)} Delay time, MDCLK low to MDIO data output valid
100 ns
1
MDCLK
MDIO
(output)
7
Figure 7-59. MDIO Output Timing
236 C64x+ Peripheral Information and Electrical Specifications
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