TMS320DM6431 datasheet(38/227 Pages) TI1

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TMS320DM6431

Digital Media Processor

SPRS342C – NOVEMBER 2006 – REVISED JUNE 2008

www.ti.com

Table 2-14. VPFE Terminal Functions

SIGNAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

ZWT

ZDU

NAME

NO.

VIDEO/IMAGE IN (VPFE)

This pin is multiplexed between the VPFE (CCDC) and GPIO.

IPD

In VPFE mode, this pin is the pixel clock input (PCLK) used to load

PCLK/GP[54]

A14

A18

I/O/Z

DVDD33

image data into the CCD Controller (CCDC) on pins CI[7:0] and

YI[7:0].

This pin is multiplexed between the VPFE (CCDC) and GPIO.

IPD

In VPFE mode, this pin is the vertical synchronization signal (VD) that

VD/GP[53]

A13

A17

I/O/Z

DVDD33

can be either an input (slave mode) or an output (master mode),

which signals the start of a new frame to the CCDC.

This pin is multiplexed between the VPFE (CCDC) and GPIO.

IPD

In VPFE mode, this pin is the horizontal synchronization signal (HD)

HD/GP[52]

A15

A19

I/O/Z

DVDD33

that can be either an input (slave mode) or an output (master mode),

which signals the start of a new line to the CCDC.

This pin is multiplexed between the VPFE (CCDC), EMIFA, and

GPIO.

CI1(CCD9)/

IPD

B12

C14

I/O/Z

This pin is CCDC input CI1 and it supports several modes:

EM_A[19]/GP[45]

DVDD33

In 10-bit CCD Raw mode, it is input CCD9.

In 8-bit YCbCr mode, this pin should not be used.

This pin is multiplexed between the VPFE (CCDC), EMIFA, and

GPIO.

CI0(CCD8)/

IPD

C12

C15

I/O/Z

This pin is CCDC input CI0 and it supports several modes:

EM_A[20]//GP[44]

DVDD33

In 10-bit CCD Raw mode, it is input CCD8.

In 8-bit YCbCr mode, this pin should not be used.

This pin is multiplexed between the VPFE (CCDC) and GPIO.

This pin is CCDC input YI7 and it supports several modes:

YI7(CCD7)/

IPD

A12

A15

I/O/Z

GP[43]

DVDD33

In 10-bit CCD Raw mode, it is input CCD7.

In 8-bit YCbCr mode, it is time multiplexed between Y7, CB7, and

CR7 of the lower 8-bit channel.

This pin is multiplexed between the VPFE (CCDC) and GPIO.

This pin is CCDC input YI6 and it supports several modes:

YI6(CCD6)/

IPD

B13

B15

I/O/Z

GP[42]

DVDD33

In 10-bit CCD Raw mode, it is input CCD6.

In 8-bit YCbCr mode, it is time multiplexed between Y6, CB6, and

CR6 of the lower 8-bit channel.

This pin is multiplexed between the VPFE (CCDC) and GPIO.

This pin is CCDC input YI5 and it supports several modes:

YI5(CCD5)/

IPD

C13

B16

I/O/Z

GP[41]

DVDD33

In 10-bit CCD Raw mode, it is input CCD5.

In 8-bit YCbCr mode, it is time multiplexed between Y5, CB5, and

CR5 of the lower 8-bit channel.

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external

pullup/pulldown resistors are required, see Section 3.9.1, Pullup/Pulldown Resistors.

(3)

Specifies the operating I/O supply voltage for each signal

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