PCM9211 datasheet(46/121 Pages) TI

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PCM9211

SBAS495 – JUNE 2010

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MPIO Description

Description for Signal Name Assigned to MPIO

Table 17 through Table 25 list the details of where each of the internal PCM9211 signals can be routed to. For

instance, DIR LOCK can be output to any of the MPIO and MPO pins, while SBCK (Secondary Clock Output)

can only be brought out through MPIO_A0.

Table 17. DIR Flags Output

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

CLKST

All MPIOs, MPO0/1

Clock transient status signal output

INT0

All MPIOs, MPO0/1

Interrupt system 0, Interrupt event detection output

INT1

All MPIOs, MPO0/1

Interrupt system 1, Interrupt event detection output

EMPH

All MPIOs, MPO0/1

Channel status, emphasis detection output

BPSYNC

All MPIOs, MPO0/1

Burst preamble sync signal output

DTSCD

All MPIOs, MPO0/1

DTS-CD/LD detection output

PARITY

All MPIOs, MPO0/1

Biphase parity error detection output

LOCK

All MPIOs, MPO0/1

PLL lock detection output

Table 18. DIR B Frame, Channel Status, User Data, Validity Flag Output

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

BFRAME

All MPIOs, MPO0/1

B frame output

COUT

All MPIOs

Channel status data

UOUT

All MPIOs

User data

VOUT

All MPIOs

Validity flag

Table 19. DIR Calculated Sampling Frequency Output

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

SFSOUT0

All MPIOs

Calculated fS, decoded output, bit0

SFSOUT1

All MPIOs

Calculated fS, decoded output, bit1

SFSOUT2

All MPIOs

Calculated fS, decoded output, bit2

SFSOUT3

All MPIOs

Calculated fS, decoded output, bit3

Table 20. Biphase Input

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

RXIN8

MPIO_A0

Biphase signal input 8

RXIN9

MPIO_A1

Biphase signal input 9

RXIN10

MPIO_A2

Biphase signal input 10

RXIN11

MPIO_A3

Biphase signal input 11

Table 21. Biphase Output

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

RECOUT0

MPO0/1

Independent biphase selector 0, output0

RECOUT1

MPO0/1

Independent biphase selector 1, output1

TXOUT

MPO0/1

Built-in DIT, biphase output

Table 22. AUX Clocks Output

SIGNAL NAME

MPIO GROUP / PIN

DESCRIPTION

SBCK

MPIO_A0

Secondary bit clock output

SLRCK

MPIO_A1

Secondary LR clock output

XMCKO

MPIO_A2, MPO0/1

XTI pin input clock buffered output

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