TMC2193 datasheet(14/72 Pages) CADEKA

14 / 72 page

TMC2193

PRODUCT SPECIFICATION

REV. 1.0 3/26/03

Horizontal Programming

Control registers for this section

Horizontal interval timing is fully programmable and is

established by loading the timing registers with the duration

of each horizontal element. The duration is expressed in

PCK clock cycles. In this way, any pixel clock rate between

10 MHz and 15 MHz can be accommodated, and any desired

standard or non-standard horizontal video timing may be

produced.

Horizontal timing parameters can be calculated as follows:

t = N x ( PCK period )

= N x ( 2 x PXCK period )

where N is the value loaded into the appropriate timing

When programming horizontal timing, subtract 5 PCK

periods from the calculated values of CBP and add 5 PCK

periods to the calculated value for VA. The control register

HALFEN enables the 1st half line (UBV) on line 283 for

NTSC, PAL-M and line 23 for all other PAL standards when

it is LOW.

Address

Bit(s)

Name

0x06

7-6

FORMAT

0x19

SHORT

0x19

T512

0x19

HALFEN

0x20

7-0

0x21

7-0

0x22

7-0

0x23

7-0

CBP

0x24

7-0

XBP

0x25

7-0

0x26

7-0

0x27

7-0

0x28

7-0

0x29

7-0

0x2A

7-0

0x2B

7-0

0x2C

7-0

0x2D

7-6

XBP (MSB’s)

0x2D

5-4

VA (MSB’s)

0x2D

3-2

VB (MSB’s)

0x2D

1-0

VC (MSB’s)

Table 7. Horizontal Line Equations

Line Type

Line ID

Line Length Equals

EL + EH + EL + EH

SL + SH + EL + EH

SL + SH + SL + SH

EL + EH + SL + SH

EL + EH + EL + EH

UBB, -BB

0D, 05

SY + BR + BU + CBP + VA + FP

UVV, -VV

0F, 07

SY + BR + BU + CBP + VA + FP

UVE, -VE

0C, 04

SY + BR + BU + CBP + VC + FP + EL + EH

UBV

SY + BR + BU + XBP + VB + FP

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