MDIO_CLK (Output)
1
2
MDIO_DATA (Input)
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Table 7-102. PRU-ICSS ECAT Switching Requirements - Digital IOs
NO.
PARAMETER
MIN
MAX
UNIT
1
t
w(EDIO_OUTVALID)
Pulse duration, EDIO_OUTVALID
14 × P
(1)
32 × P
(1)
ns
2
t
r(EDIO_OUTVALID)
Rising time, EDIO_OUTVALID
1.00
3.00
ns
3
t
f(EDIO_OUTVALID)
Falling time, EDIO_OUTVALID
1.00
3.00
ns
4
t
d(EDIO_OUTVALID-
Delay time, EDIO_OUTVALID to EDIO_DATA_OUT
0.00
18 × P
(1)
ns
EDIO_DATA_OUT)
5
t
r(EDIO_DATA_OUT)
Rising time, EDIO_DATA_OUT
1.00
3.00
ns
6
t
f(EDIO_DATA_OUT)
Falling time, EDIO_DATA_OUT
1.00
3.00
ns
7
t
sk(EDIO_DATA_OUT)
EDIO_DATA_OUT skew
8.00
ns
(1)
P = PRU-ICSS IEP clock source period.
7.14.3 PRU-ICSS MII_RT and Switch
Table 7-103. PRU-ICSS MII_RT Switch Timing Conditions
PARAMETER
MIN
TYP
MAX
UNIT
Input Conditions
t
R
Input signal rise time
1
(1)
3
(1)
ns
t
F
Input signal fall time
1
(1)
3
(1)
ns
Output Condition
C
LOAD
Output load capacitance
3
20
pF
(1)
Except when specified otherwise.
7.14.3.1 PRU-ICSS MDIO Electrical Data and Timing
Table 7-104. PRU-ICSS MDIO Timing Requirements – MDIO_DATA
(see
)
NO.
MIN
TYP
MAX
UNIT
1
t
su(MDIO-MDC)
Setup time, MDIO valid before MDC high
90
ns
2
t
h(MDIO-MDC)
Hold time, MDIO valid from MDC high
0
ns
Figure 7-106. PRU-ICSS MDIO_DATA Timing - Input Mode
Table 7-105. PRU-ICSS MDIO Switching Characteristics - MDIO_CLK
(see
)
NO.
PARAMETER
MIN
TYP
MAX
UNIT
1
t
c(MDC)
Cycle time, MDC
400
ns
2
t
w(MDCH)
Pulse duration, MDC high
160
ns
3
t
w(MDCL)
Pulse duration, MDC low
160
ns
4
t
t(MDC)
Transition time, MDC
5
ns
Copyright © 2011–2015, Texas Instruments Incorporated
Peripheral Information and Timings
229
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