參數(shù)資料
型號: VCT3801A
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video/Controller/Teletext IC Family
中文描述: 視頻/控制/圖文電視IC系列
文件頁數(shù): 33/172頁
文件大?。?/td> 2243K
代理商: VCT3801A
ADVANCE INFORMATION
VCT 38xxA
Micronas
33
Table 2–3:
I
2
C control and status registers of the video front-end
I
2
C Sub
address
Number
of bits
Mode
Function
Default
Name
FP Interface
h’35
8
r
FP status
bit [0]
bit [1]
bit [2]
write request
read request
busy
FPSTA
h’36
16
w
bit[8:0]
bit[11:9]
9-bit FP read address
reserved, set to zero
FPRD
h’37
16
w
bit[8:0]
bit[11:9]
9-bit FP write address
reserved, set to zero
FPWR
h’38
16
w/r
bit[11:0]
FP data register, reading/writing to this
register will autoincrement the FP read/
write address. Only 16 bit of data are
transferred per I
2
C telegram.
FPDAT
Black Line Detector
h’12
16
r
read only register, do not write to this register!
after reading, LOWLIN and UPLIN are reset to 127 to start a
new measurement
bit[6:0]
number of lower black lines
bit[7]
always 0
bit[14:8]
number of upper black lines
bit[15]
normal/black picture
BLKLIN
LOWLIN
UPLIN
BLKPIC
Miscellaneous
h’29
16
w/r
Test pattern generator:
bit[10:0]
bit[11]
0/1
bit[13:12]
00
01
10
11
bit[15:14] 0/1
reserved (set to 0)
disable/enable test pattern generator
output mode:
Y/C = ramp (240 ... 17)
Y/C = 16
Y/C = 90
Y/C = 240
reserved (set to 0)
0
0
0
0
TPG
TPGEN
TPGMODE
h’22
16
w/r
NEWLINE (available for versions with panorama scaler only):
bit[10:0]
NEWLINE register
This register defines the readout start of
the next line in respect to the value of the
sync counter.
bit [15:11]
reserved (set to 0)
0
NEWLIN
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