參數(shù)資料
型號: BU1425AK
廠商: Rohm CO.,LTD.
英文描述: NTSC / PAL digital RGB encoder
中文描述: 的NTSC / PAL編碼器,數(shù)字RGB
文件頁數(shù): 18/32頁
文件大?。?/td> 307K
代理商: BU1425AK
18
Multimedia ICs
BU1425AK / BU1425AKV
1) Input clocks and input data timings in the various
operation modes
There are slight differences in the input data and the clock
timing, depending on which mode is being used. What is
shared by all modes is that, with the BU1425AK / AKV,
data is read and discharged at the rising edge of the
internal clock. The illustration below shows the input con-
ditions in the various modes.
1. Master mode,
1 clock mode
Encoder master (pin 33 = H)
Internal clock = input clock (pin 53 = H)
Input data
Output data (HSY, VSY)
VCLK (pin53)
Tds1
Internal clock (BCLK)
Fig.11
In this mode, the internal clock (BCLK) begins to operate at the same phase as the VCLK input, following the rise
of the RSTB pin (pin 52).
Table 11
Parameter
Symbol
Max.
Typ.
Min.
Tds1
10
Data setup time 1
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