參數資料
型號: SDA9400
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Scan Rate Converter using Embedded DRAM Technology Units
中文描述: 掃描頻率轉換器采用嵌入式DRAM技術股
文件頁數: 43/94頁
文件大小: 1180K
代理商: SDA9400
SDA 9400
Micronas
43
Preliminary Data Sheet
UBORDER and VBORDER. To avoid transition artifacts of digital filters the number of active pixels
per line (parameter APPL) can be symmetrically reduced using the CAPP parameter. The figure
below shows also the internal signal ALOP, which marks the active pixels of the line.
Timing diagram of output signals
Output write parameter
Parameter
Subaddress
Description
HOUTFR
1: freerun
0: locked
mode
EXSYN
1: on
0: off
YBORDER
UBORDER
VBORDER
CAPP
00: k = 0
01: k = 8
10: k = 16
11: k = 24
14h
HOUT generator mode select
14h
External synchronization select
17h
18h
18h
10h
Y border value (four MSB of the 8 bit colour)
U border value (four MSB of the 8 bit colour)
V border value (four MSB of the 8 bit colour)
Reducing factor for the Active Pixels Per Line Value
(APPL)
Number of active pixels per line = 16 * APPL - 2*k
X1/CLK2
PPLOP * 2 Tx1/clk2
e.g. 432 * 2 / 27 MHz = 32 μs
y0
y1
x
y2
y3
y4
y5
u0
v0
x
u2
v2
u4
v4
((HOUTDEL + 1) * 4 + PD)* Tx1/clk2
ym-2
um-2
ym-1
vm-′2
x
x
m=APPL*16
HREF
APPLOP * 16 * Tx1/clk2
e.g. 45 * 16 = 720 Tx1/clk2
64 * Tx1/clk2
HOUT
YOUT
UVOUT
o
YB
YB
x
YB
YB
y0
y1
UB
VB
x
UB
VB
u0
v4
((HOUTDEL + 1 + NAPOP) * 4 + PD)* Tx1/clk2
YB
UB
YB
VB
x
x
m=APPL*16
YOUT
UVOUT
ALOP
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