HMP8154 データシートの表示（PDF） - Intersil
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HMP8154 Datasheet PDF : 34 Pages
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HMP8154, HMP8156A
BIT
NUMBER
7-5
4
3
2-0
FUNCTION
Reserved
CLK Output Control
Aspect Ratio Mode
Reserved
TABLE 16. TIMING I/O REGISTER #2
SUB ADDRESS = 05H
DESCRIPTION
0 = CLK is an input
1 = CLK is an output
This bit must be set to “0” during BT.656 input mode.
0 = Rectangular (BT.601) pixels
1 = Square pixels
RESET
STATE
000B
0B
0B
00B
BIT
NUMBER
FUNCTION
7-6
Closed Captioning
Enable
5-0
Reserved
TABLE 17. AUXILIARY DATA ENABLE REGISTER
SUB ADDRESS = 06H
DESCRIPTION
00 = Closed caption disabled
01 = Closed caption enabled for odd fields: line 21 for NTSC, line 18 for (M) PAL, or line 22 for
(B, D, G, H, I, N, CN) PAL
10 = Closed caption enabled for even fields: line 284 for NTSC, line 281 for (M) PAL, or line
335 for (B, D, G, H, I, N, CN) PAL
11 = Closed caption enabled for both odd and even fields
RESET
STATE
00B
000000B
TABLE 18. HOST CONTROL REGISTER
BIT
NUMBER
FUNCTION
SUB ADDRESS = 0FH
DESCRIPTION
7
Software Reset
Setting this bit to “1” initiates a software reset. It is automatically reset to a “0” after the reset
sequence is complete.
6
Power Down Enable 0 = Normal operation
1 = Power down mode
5
NTSC/PAL 2
Output Mode
0 = Enabled
1 = Disabled
4
Closed Caption
0 = Caption_21A and Caption_21B data registers contain unused data
Line 21
1 = Data has been output, host processor may now write to the registers
Write Status
3
Closed Caption
0 = Caption_284A and Caption_284B data registers contain unused data
Line 284
1 = Data has been output, host processor may now write to the registers
Write Status
2
NTSC/PAL 1
Output Mode
0 = Enabled
1 = Disabled
1
Y/G
Output Mode
0 = Enabled
1 = Disabled
0
C/B
Output Mode
0 = Enabled
1 = Disabled
RESET
STATE
0B
0B
0B
1B
1B
0B
0B
0B
20
4343.4
November 4, 2005
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