DRA821U4...ALM datasheet(191/252 Pages) TI

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ASP15

ASP14

ASP13

ASP12

ASP11

ASP10

ASP9

A30 A31

B30 B31 C0

C1 C2 C3

C31

ASP13

MCASP[x]_ACLKR/X (Falling Edge Polarity)

MCASP[x]_AHCLKR/X (Rising Edge Polarity)

MCASP[x]_AFSR/X (Bit Width, 0 Bit Delay)

MCASP[x]_AFSR/X (Bit Width, 1 Bit Delay)

MCASP[x]_AFSR/X (Bit Width, 2 Bit Delay)

MCASP[x]_AFSR/X (Slot Width, 0 Bit Delay)

MCASP[x]_AFSR/X (Slot Width, 1 Bit Delay)

MCASP[x]_AFSR/X (Slot Width, 2 Bit Delay)

MCASP[x]_AXR[x] (Data Out/Transmit)

MCASP[x]_ACLKR/X (CLKRP = CLKXP = 1)

(A)

MCASP[x]_ACLKR/X (CLKRP = CLKXP = 0)

(B)

For CLKRP = CLKXP = 1, the MCASP transmitter is configured for falling edge (to shift data out) and the MCASP receiver is configured

for rising edge (to shift data in).

For CLKRP = CLKXP = 0, the MCASP transmitter is configured for rising edge (to shift data out) and the MCASP receiver is configured

for falling edge (to shift data in).

Figure 7-78. MCASP Output Timing

1. x in MCASP[x]_* is 0, 1 or 2

For more information, see Multichannel Audio Serial Port (MCASP) section in Peripherals chapter in the device

TRM.

7.9.5.15 MCSPI

For more details about features and additional description information on the device Serial Port Interface, see

the corresponding sections within Section 6.3, Signal Descriptions and Section 8, Detailed Description.

For more information, see Multichannel Serial Peripheral Interface (MCSPI) section in Peripherals chapter in the

device TRM.

Table 7-48 represents MCSPI timing conditions.

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DRA821U-Q1

SPRSP57D – APRIL 2020 – REVISED DECEMBER 2022

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