LF2301JC55 datasheet(6/18 Pages) LODEV

6 / 18 page

DEVICES INCORPORATED

LF2301

Image Resampling Sequencer

2-6

08/16/2000–LDS.2301-H

Video Imaging Products

ADDR

MSB

FORMAT

LSB

ROW

COLUMN

0000

211

210

XMIN

YMIN

0001

211

210

XMAX

YMAX

0010

2–1

2–2

2–3

2–4

2–5

x0 (LS)

y0 (LS)

0011

ALR

AIN

PIPE

R/C

–212

211

210

Controls, x0 (MS)

Controls, y0 (LS)

0100

2–1

2–2

2–3

2–4

2–5

2–6

2–7

2–8

2–9

2–10

2–11

2–12

dx/du (LS)

dy/du (LS)

0101

–27

Controls, dx/du (MS)

Controls, dy/du (MS)

0110

2–1

2–2

2–3

2–4

2–5

2–6

2–7

2–8

2–9

2–10

2–11

2–12

dx/dv (LS)

dy/dv (LS)

0111

–27

Kernel, dx/dv (MS)

Kernel, dy/dv (MS)

1000

2–9

2–10

2–11

2–12

2–13

2–14

2–15

2–16

2–17

2–18

2–19

2–20

d2x/dudv (LS)

d2y/dudv (LS)

1001

–23

2–1

2–2

2–3

2–4

2–5

2–6

2–7

2–8

d2x/dudv (MS)

d2y/dudv (MS)

1010

2–9

2–10

2–11

2–12

2–13

2–14

2–15

2–16

2–17

2–18

2–19

2–20

d2x/du2 (LS)

d2y/du2 (LS)

1011

–23

2–1

2–2

2–3

2–4

2–5

2–6

2–7

2–8

d2x/du2 (MS)

d2y/du2 (MS)

1100

2–9

2–10

2–11

2–12

2–13

2–14

2–15

2–16

2–17

2–18

2–19

2–20

d2x/dv2 (LS)

d2y/dv2 (LS)

1101

–23

2–1

2–2

2–3

2–4

2–5

2–6

2–7

2–8

d2x/dv2 (MS)

d2y/dv2 (MS)

1110

211

210

UMIN

VMIN

1111

211

210

UMAX

VMAX

TABLE 4.

PARAMETER REGISTER FORMATS (ROW OR COLUMN MODE)

Transformation Parameter Register

The LF2301 allows Transformation

Parameters to be updated on-the-fly.

The loading of these registers is

double-buffered (see Figure 4). Any

or all of the first level registers can

be loaded using P11-0, B3-0, and

WEN without affecting the param-

eters currently in use.

LDR simultaneously updates all

Transformation Parameter Registers.

If Autoload (ALR) is active, these

registers will be updated automati-

cally at the beginning of each new

image. Note that NOOP does not

affect the loading of the Transforma-

tion Parameter Registers.

FIGURE 4. LDR CONTROL FOR PARAMETER UPDATE

WEN

CLK

B3-0

C15

C14

C13

LDR

PRELOAD

REGISTERS

TRANSFORMATION

PARAMETER

REGISTERS

P11-0

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