參數資料
型號： HMP8117CNZ
廠商： INTERSIL CORP
元件分類： 顏色信號轉換
英文描述： NTSC/PAL Video Decoder
中文描述： COLOR SIGNAL DECODER, PDSO80
封裝： PLASTIC, MS-022GB-1, MQFP-80
文件頁數： 33/45頁
文件大?。?/td> 552K
代理商： HMP8117CNZ
33
FN4643.3
April 19, 2007
TABLE 41. HOST CONTROL REGISTER
SUB ADDRESS = 1F
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
Software Reset
When this bit is set to 1, the entire device except the I
2
C bus is reset to a known state exactly
like the RESET input going active. The software reset will initialize all register bits to their reset
state. Once set this bit is self clearing. This bit is cleared on power-up by the external RESET pin.
0
B
6
Power Down
When this bit is set to a 1, the entire device is shut down except the I
2
C bus by gating off the
clock. For normal decoding operations this bit should be set to a 0.
0
B
5
Closed Caption
Odd Field
Read Status
This bit is read-only. Data written to this bit is ignored. The bit is cleared when the caption data
has been read out via the I
2
C interface or as BT.656 ancillary data.
0 = No new caption data
1 = Caption_ODD_A and Caption_ODD_B data registers contain new data.
0
B
4
Closed Caption
Even Field
Read Status
This bit is read-only. Data written to this bit is ignored. The bit is cleared when the caption data
has been read out via the I
2
C interface or as BT.656 ancillary data.
0 = No new caption data
1 = Caption_EVEN_A and Caption_EVEN_B data registers contain new data.
0
B
3
WSS
Odd Field
Read Status
This bit is read-only. Data written to this bit is ignored. The bit is cleared when the WSS data has
been read out via the I
2
C interface or as BT.656 ancillary data.
0 = No new WSS data
1 = WSS_ODD_A and WSS_ODD_B data registers contain new data.
0
B
2
WSS
Even Field
Read Status
This bit is read-only. Data written to this bit is ignored. The bit is cleared when the WSS data has
been read out via the I
2
C interface or as BT.656 ancillary data.
0 = No new WSS data
1 = WSS_EVEN_A and WSS_EVEN_B data registers contain new data.
0
B
1-0
Reserved
00
B
TABLE 42. CLOSED CAPTION_ODD_A DATA REGISTER
SUB ADDRESS = 20
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Odd Field
Caption Data
If odd field captioning is enabled and present, this register is loaded with the first eight bits of
caption data on line 18, 21, or 22. Bit 0 corresponds to the first bit of caption information. Data
written to this register is ignored.
80
H
TABLE 43. CLOSED CAPTION_ODD_B DATA REGISTER
SUB ADDRESS = 21
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
15-8
Odd Field
Caption Data
If odd field captioning is enabled and present, this register is loaded with the second eight bits of
caption data on line 18, 21, or 22. Data written to this register is ignored.
80
H
TABLE 44. CLOSED CAPTION_EVEN_A DATA REGISTER
SUB ADDRESS = 22
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-0
Even Field
Caption Data
If even field captioning is enabled and present, this register is loaded with the first eight bits of
caption data on line 281, 284, or 335. Bit 0 corresponds to the first bit of caption information. Data
written to this register is ignored.
80
H
HMP8117
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