TMS320DM355CZCEA13 datasheet(19/163 Pages) TI1

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TMS320DM355

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SPRS463G – SEPTEMBER 2007 – REVISED JUNE 2010

Table 2-7. Digital Video Terminal Functions

TERMINAL

TYPE(1)

OTHER(2) (3)

DESCRIPTION(4)

NAME

NO.

YOUT7-R7

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT6-R6

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT5-R5

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT4-R4

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT3-R3

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT2-G7

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT1-G6

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

YOUT0-G5

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function

COUT7-

G4/GIO081

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[081] PWM0

/PWM0

COUT6-G3

/GIO080

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[080] PWM1

/PWM1

COUT5-G2

/ GIO079 /

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[079] PWM2A RTO0

PWM2A /

RTO0

COUT4-B7 /

GIO078 /

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[078] PWM2B RTO1

PWM2B /

RTO1

COUT3-B6 /

GIO077 /

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[077] PWM2C RTO2

PWM2C /

RTO2

COUT2-B5 /

GIO076 /

I/O/Z

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[076] PWM2D RTO3

PWM2D /

RTO3

COUT1-B4 /

Digital Video Out: VENC settings determine function

GIO075 /

I/O/Z

VDD_VOUT

GIO: GIO[075]

PWM3A

COUT0-B3 /

Digital Video Out: VENC settings determine function

GIO074 /

I/O/Z

VDD_VOUT

GIO: GIO[074]

PWM3B

HSYNC /

Video Encoder: Horizontal Sync

I/O/Z

GIO073

VDD_VOUT

GIO: GIO[073]

VSYNC /

Video Encoder: Vertical Sync

I/O/Z

GIO072

VDD_VOUT

GIO: GIO[072]

FIELD /

Video Encoder: Field identifier for interlaced display formats

GIO070 /

GIO: GIO[070]

I/O/Z

VDD_VOUT

R2 /

Digital Video Out: R2

PWM3C

Video Encoder: External clock input, used if clock rates > 27 MHz are needed, e.g.

EXTCLK /

74.25 MHz for HDTV digital output

GIO069 /

I/O/Z

GIO: GIO[069]

B2 /

VDD_VOUT

Digital Video Out: B2

PWM3D

VCLK /

Video Encoder: Video Output Clock

I/O/Z

VDD_VOUT

GIO068

GIO: GIO[068]

(1)

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

(2)

Specifies the operating I/O supply voltage for each signal. See Section 5.3 , Power Supplies for more detail.

(3)

PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 k

Ω resistor should be used.)

(4)

To reduce EMI and reflections, depending on the trace length, approximately 22

Ω to 50 Ω damping resistors are recommend on the

following outputs placed near the DM355: YOUT(0-7),COUT(0-7), HSYNC,VSYNC,LCD_OE,FIELD,EXTCLK,VCLK. The trace lengths

should be minimized.

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