AM3359_16 Datasheet, PDF (225/253 Pages) Texas Instruments – Sitara Processors

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AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351
SPRS717J – OCTOBER 2011 – REVISED APRIL 2016
7.14.1.2 PRU-ICSS PRU Parallel Capture Mode Electrical Data and Timing
Table 7-94. PRU-ICSS PRU Timing Requirements - Parallel Capture Mode
(see Figure 7-98 and Figure 7-99)
NO.
MIN
1
t_c(CLOCKIN)
2
t_{w(CLOCKIN_L)}
3
t_{w(CLOCKIN_H)}
4
t_r(CLOCKIN)
5
t_f(CLOCKIN)
6
t_{su(DATAIN-CLOCKIN)}
7
t_{h(CLOCKIN-DATAIN)}
8
t_r(DATAIN)
t_f(DATAIN)
Cycle time, CLOCKIN
Pulse duration, CLOCKIN low
Pulse duration, CLOCKIN high
Rising time, CLOCKIN
Falling time, CLOCKIN
Setup time, DATAIN valid before CLOCKIN
Hold time, DATAIN valid after CLOCKIN
Rising time, DATAIN
Falling time, DATAIN
20.00
10.00
10.00
1.00
1.00
5.00
0.00
1.00
1.00
MAX
3.00
3.00
3.00
3.00
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLOCKIN
1
3
2
5
4
DATAIN
6
7
8
Figure 7-98. PRU-ICSS PRU Parallel Capture Timing - Rising Edge Mode
CLOCKIN
1
3
2
4
5
DATAIN
6
7
8
Figure 7-99. PRU-ICSS PRU Parallel Capture Timing - Falling Edge Mode
7.14.1.3 PRU-ICSS PRU Shift Mode Electrical Data and Timing
Table 7-95. PRU-ICSS PRU Timing Requirements – Shift In Mode
(see Figure 7-100)
NO.
MIN
1
t_c(DATAIN)
2
t_w(DATAIN)
3
t_r(DATAIN)
4
t_f(DATAIN)
Cycle time, DATAIN
Pulse width, DATAIN
Rising time, DATAIN
Falling time, DATAIN
10.00
0.45 × P⁽¹⁾
1.00
1.00
(1) P = L3_CLK (PRU-ICSS ocp clock) period.
MAX
0.55 × P⁽¹⁾
3.00
3.00
UNIT
ns
ns
ns
ns
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