SAA4990H/V1 データシートの表示（PDF） - Philips Electronics

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SAA4990H/V1

Progressive scan-Zoom and Noise reduction IC (PROZONIC)

Philips Electronics 

Philips Semiconductors

Progressive scan-Zoom and Noise

reduction IC (PROZONIC)

Preliminary specification

SAA4990H

Table 2 Write registers

REGISTER BIT

NAME

FUNCTION

Register 10H to 13H (Kstep)

10H

0 to 3 Kstep0

4 to 7 Kstep1

11H

0 to 3 Kstep2

4 to 7 Kstep3

12H

0 to 3 Kstep4

4 to 7 Kstep5

13H

0 to 3 Kstep6

4 to 7 Kstep7

step in adaptive curve from k = 1⁄16 to k = 1⁄8; weight of 1

step in adaptive curve from k = 1⁄8 to k = 2⁄8; weight of 1

step in adaptive curve from k = 2⁄8 to k = 3⁄8; weight of 2

step in adaptive curve from k = 3⁄8 to k = 4⁄8; weight of 2

step in adaptive curve from k = 4⁄8 to k = 5⁄8; weight of 4

step in adaptive curve from k = 5⁄8 to k = 6⁄8; weight of 4

step in adaptive curve from k = 6⁄8 to k = 7⁄8; weight of 8

step in adaptive curve from k = 7⁄8 to k = 8⁄8; weight of 8

Register 14H (fixed_k)

14H

0 to 3 fixed_k

determines k value in fixed k mode; see Table 8

4 to 5 mult

weighting of TF2 output; see Table 9

6

_upbox

microcontroller (_upbox = 0) or box controlled (_upbox = 1); see Table 6

7

_adfix

adaptive (_adfix = 0) or fixed k (_adfix = 1); see Table 6

Register 15H (Tfilter)

15H

0 to 1 Tfilter1_select determines filter1 characteristic; see Table 5

2 to 7 Tfilter2_select determines filter2 characteristic; see Table 7

Register 16H (hor_start_box)

16H

0 to 7 hor_start_box horizontal start position of box w.r.t. picture

Register 17H (hor_stop_box)

17H

0 to 7 hor_stop_box horizontal stop position of box w.r.t. picture

Register 18H and 19H (vert_start_box)

18H (bit 8 = 0) 0 to 7 vert_start_box vertical start position of box w.r.t. picture; bit 8 (MSB) is encoded in the

19H (bit 8 = 1)

address

Register 1AH and 1BH (vert_stop_box)

1AH (bit 8 = 0) 0 to 7 vert_stop_box vertical stop position of box w.r.t. picture; bit 8 (MSB) is encoded in the

1BH (bit 8 = 1)

address

Register 1CH (box generation and UV processing)

1CH

0

UV8bit

U/V signals are taken from input as 8-bit values instead of 7-bit

1

UVbin

U/V signals are taken from input as binary signals instead of

twos complement

2

inv_box

inversion of box signal (inv_box = 1)

3

en_box

overall enable box signal

4

en_box_mpd enable box signal to define movie phase detection area

5

boxPSC

box generation for progressive scan with more than 511 lines

6, 7

reserved

Register 1DH (reserved)

1996 Oct 25

12

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