AM4376 datasheet(220/261 Pages) TI

220 / 261 page

AM4376, AM4377, AM4378, AM4379

SPRS851B – JUNE 2014 – REVISED APRIL 2015

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5.12.12.2 McASP Electrical Data and Timing

Table 5-86. McASP Timing Conditions

TIMING CONDITION PARAMETER

MIN

TYP

MAX

UNIT

Input Conditions

Input signal rise time

1(1)

4(1)

Input signal fall time

1(1)

4(1)

Output Condition

CLOAD

Output load capacitance

(1) Except when specified otherwise.

Table 5-87. Timing Requirements for McASP(1)

(see Figure 5-104)

OPP100

OPP50

NO.

UNIT

MIN

MAX

MIN

MAX

Cycle time, McASP[x]_AHCLKR and

tc(AHCLKRX)

38.46

McASP[x]_AHCLKX

Pulse duration, McASP[x]_AHCLKR and

tw(AHCLKRX)

0.5P - 2.5(2)

McASP[x]_AHCLKX high or low

Cycle time, McASP[x]_ACLKR and

tc(ACLKRX)

38.46

McASP[x]_ACLKX

Pulse duration, McASP[x]_ACLKR and

tw(ACLKRX)

0.5R - 2.5(3)

McASP[x]_ACLKX high or low

ACLKR and

12.3

15.5

ACLKX int

Setup time, McASP[x]_AFSR and

tsu(AFSRX-

McASP[x]_AFSX input valid before

ACLKR and

ACLKRX)

McASP[x]_ACLKR and

ACLKX ext in

McASP[x]_ACLKX

ACLKR and

ACLKX ext out

ACLKR and

-1

ACLKX int

Hold time, McASP[x]_AFSR and

th(ACLKRX-

McASP[x]_AFSX input valid after

ACLKR and

1.6

2.3

AFSRX)

McASP[x]_ACLKR and

ACLKX ext in

McASP[x]_ACLKX

ACLKR and

1.6

2.3

ACLKX ext out

ACLKR and

12.3

15.5

ACLKX int

Setup time, McASP[x]_AXR input

ACLKR and

tsu(AXR-ACLKRX) valid before McASP[x]_ACLKR and

ACLKX ext in

McASP[x]_ACLKX

ACLKR and

ACLKX ext out

ACLKR and

-1

ACLKX int

Hold time, McASP[x]_AXR input

ACLKR and

th(ACLKRX-AXR)

valid after McASP[x]_ACLKR and

1.6

2.3

ACLKX ext in

McASP[x]_ACLKX

ACLKR and

1.6

2.3

ACLKX ext out

(1) ACLKR internal: ACLKRCTL.CLKRM = 1, PDIR.ACLKR = 1

ACLKR external input: ACLKRCTL.CLKRM = 0, PDIR.ACLKR = 0

ACLKR external output: ACLKRCTL.CLKRM = 0, PDIR.ACLKR=1

ACLKX internal: ACLKXCTL.CLKXM = 1, PDIR.ACLKX = 1

ACLKX external input: ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 0

ACLKX external output: ACLKXCTL.CLKXM = 0, PDIR.ACLKX = 1

(2) P = McASP[x]_AHCLKR and McASP[x]_AHCLKX period in nano seconds (ns).

(3) R = McASP[x]_ACLKR and McASP[x]_ACLKX period in ns.

220

Specifications

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