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7.10.5.16.1 PRU_ICSSG Programmable Real-Time Unit (PRU)

Note

The PRU_ICSSG PRU signals have different functionality depending on the mode of operation. The

signal naming in this section matches the naming used in the PRU Module Interface section in the

device TRM.

Table 7-107. PRU_ICSSG PRU Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input slew rate

V/ns

OUTPUT CONDITIONS

Output load capacitance

7.10.5.16.1.1 PRU_ICSSG PRU Direct Output Mode Timing

Table 7-108. PRU_ICSSG PRU Switching Characteristics – Direct Output Mode

see Figure 7-91

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

PRDO1

tsk(GPO-GPO)

Skew, GPO to GPO

GPO[n:0]

PRDO1

PRU_TIMING_02

n in GPO[n:0] = 19.

Figure 7-91. PRU_ICSSG PRU Direct Output Timing

7.10.5.16.1.2 PRU_ICSSG PRU Parallel Capture Mode Timing

Table 7-109. PRU_ICSSG PRU Timing Requirements – Parallel Capture Mode

see Figure 7-92 and Figure 7-93

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

PRPC1

tc(CLOCK)

Cycle time, CLOCKIN

PRPC2

tw(CLOCKL)

Pulse duration, CLOCKIN low

0.45P(1)

PRPC3

tw(CLOCKH)

Pulse duration, CLOCKIN high

0.45P(1)

PRPC4

tsu(DATAIN-CLOCK)

Setup time, DATAIN valid before CLOCKIN active edge

PRPC5

th(CLOCK-DATAIN)

Hold time, DATAIN valid after CLOCKIN active edge

(1)

P = CLOCKIN cycle time in ns

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AM6442, AM6441, AM6421, AM6412, AM6411

SPRSP56D – JANUARY 2021 – REVISED JULY 2022

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