CLOCKOUT
DATAOUT
1
3
4
2
6
5
DATAIN
1
3
4
2
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Figure 7-100. PRU-ICSS PRU Shift In Timing
Table 7-96. PRU-ICSS PRU Switching Requirements - Shift Out Mode
(see
)
NO.
MIN
MAX
UNIT
1
t
c(CLOCKOUT)
Cycle time, CLOCKOUT
10.00
ns
2
t
w(CLOCKOUT)
Pulse width, CLOCKOUT
0.45 × P
(1)
0.55 × P
(1)
ns
3
t
r(CLOCKOUT)
Rising time, CLOCKOUT
1.00
3.00
ns
4
t
f(CLOCKOUT)
Falling time, CLOCKOUT
1.00
3.00
ns
5
t
d(CLOCKOUT-DATAOUT)
Delay time, CLOCKOUT to DATAOUT valid
0.00
3.00
ns
6
t
r(DATAOUT)
Rising time, DATAOUT
1.00
3.00
ns
t
f(DATAOUT)
Falling time, DATAOUT
1.00
3.00
ns
(1)
P = L3_CLK (PRU-ICSS ocp clock) period.
Figure 7-101. PRU-ICSS PRU Shift Out Timing
7.14.2
PRU-ICSS EtherCAT (PRU-ICSS ECAT)
Table 7-97. PRU-ICSS ECAT Timing Conditions
PARAMETER
MIN
MAX
UNIT
Output Condition
C
load
Capacitive load for each bus line
30
pF
7.14.2.1 PRU-ICSS ECAT Electrical Data and Timing
Table 7-98. PRU-ICSS ECAT Timing Requirements – Input Validated with LATCH_IN
(see
)
NO.
MIN
MAX
UNIT
1
t
w(EDIO_LATCH_IN)
Pulse width, EDIO_LATCH_IN
100.00
ns
2
t
r(EDIO_LATCH_IN)
Rising time, EDIO_LATCH_IN
1.00
3.00
ns
3
t
f(EDIO_LATCH_IN)
Falling time, EDIO_LATCH_IN
1.00
3.00
ns
4
t
su(EDIO_DATA_IN-
Setup time, EDIO_DATA_IN valid before EDIO_LATCH_IN
20.00
ns
EDIO_LATCH_IN)
active edge
5
t
h(EDIO_LATCH_IN-
Hold time, EDIO_DATA_IN valid after EDIO_LATCH_IN active
20.00
ns
EDIO_DATA_IN)
edge
226
Peripheral Information and Timings
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