參數(shù)資料
型號: SAA6750
廠商: NXP Semiconductors N.V.
英文描述: Encoder for MPEG2 image recording EMPIRE
中文描述: 為MPEG2編碼器帝國的形象記錄
文件頁數(shù): 38/60頁
文件大?。?/td> 217K
代理商: SAA6750
2000 May 03
38
Philips Semiconductors
Product specification
Encoder for MPEG2 image recording
(EMPIRE)
SAA6750H
Table 22
Description of the I
2
C-bus control bits and words
BIT
ADDRESS
(HEX)
BIT
NAME
CONTROL WORD
NAME
DATA
BYTE
DESCRIPTION
00
01
BYP
SMOD
(1)
19
internal use; it must be set to LOW during initialization
external/internal sync signal selection;
LOW: sync is derived from the SAV and EAV information
decoded from the data stream at port YUV;
HIGH: sync is derived from the external sync signals at
pins FID, HSYNC and VSYNC
engine stop; see Table 23
engine start; see Table 23
data output port address mode selection;
LOW: external address decoding (CSN pin);
HIGH: internal address decoding (AD pin)
maximum output bit-rate selection; use default setting given in
the software specification
non SIF mode/SIF mode selection; LOW: subsampling off;
HIGH: subsampling on (SIF mode convertion active)
NTSC/PAL selection; LOW: NTSC mode input signal
expected; HIGH: PAL mode input signal expected
use default setting given in the software specification
02
03
04
E_SP
E_ST
BUS
05
INTRA
06
SS
(1)
07
STD
(1)
08 to 0F
PMI0 to
PMI7
WR0 to
WR7
RD0 to
RD7
BUF0 to
BUF7
RFR0 to
RFR7
MC0 to
MC7
ML0 to
ML7
VSB0 to
VSB6
FIDP
(1)
18
10 to 17
17
use default setting given in the software specification
18 to 1F
16
use default setting given in the software specification
20 to 27
15
use default setting given in the software specification
28 to 2F
14
use default setting given in the software specification
30 to 37
13
use default setting given in the software specification
38 to 3F
12
use default setting given in the software specification
40 to 46
vertical shift bottom
field
11
value determines number of H-syncs occurring after V-sync
before the bottom field line based processing starts; note 2
FID signal polarity selection; LOW: FID signal not inverted
(FID = LOW indicates odd field); HIGH: FID signal inverted
(FID = HIGH indicates odd field); this setting takes affect for
external as well as for SAV and EAV sync
47
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