參數(shù)資料
型號(hào)： Z9025900ZEM
英文描述： SCR Thyristor; SCR Type:Standard Gate; Peak Repetitive Off-State Voltage, Vdrm:600V; On-State RMS Current, IT(rms):35A; Peak Non Repetitive Surge Current, Itsm:500A; Gate Trigger Current Max, Igt:40uA
中文描述： 消費(fèi)性IC
文件頁(yè)數(shù)： 28/30頁(yè)
文件大?。?/td> 938K
代理商： Z9025900ZEM
Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
PS001300-TVC1099
Preliminary
28
Second Color Register
Note:
Column increment is 0.5. Offset is 03h. System software requires that the offset be
added to the increment for the second color in the bar display. The bar position
must be defined before the second color is enabled.
Bit
6, HV
SYNC
Interrupt Option, defines the procedure for processing when a second
interrupt is issued before the first interrupt has completed processing. If bit 6 is set to 0,
bit 6 is not pending the other interrupt (H
SYNC
or V
SYNC
) while one is in service. If bit 6
is set to 1, bit 6 is pending the other interrupt (H
SYNC
or V
SYNC
) while one is in service.
Figure 8 is an example of second color display in the eighth row of the OSD. Each of the
small grid squares represents one pixel. Each column has two areas for second color
display. In this example, the second color is at Position 6. The second color position for
the first column has a value of 3 because the OSD is offset from the left of the TV screen at
a distance equal to 03h. Each column is the size of one display character. Each Second
color column is a half character column. The screen position offset is added to Second
color position. Because the offest is 03h, the Second color postions begin with 3 = (3+0),
4 = (3+1), 5 = (4+1), and so forth.
Table 9
Second Color Register 08h:Bank A (SNDCLR)
Bit
7
6
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
x
0
0
0
0
0
0
0
N
OTE
:
R = Read W = Write X = Indeterminate
Bit/
Field
Bit
Position
R/W
Value Description
Reserved
7
R
W
0
1
Return
1
No effect
HV
SYNC
Interrupt Option
6
R/W
0
1
Interrupt Pending Disabled
Interrupt Pending Enabled
Second Color Position
5,4,3,2,1,0
R/W
Specifies start position of
the color change to the
second color.
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