參數(shù)資料
型號: SAA6713H
廠商: NXP Semiconductors N.V.
英文描述: XGA dual input flat panel controller
中文描述: 雙輸入的XGA液晶控制器
文件頁數(shù): 40/103頁
文件大小: 521K
代理商: SAA6713H
2004 Apr 05
40
Philips Semiconductors
Product specification
XGA dual input flat panel controller
SAA6713H
7.2
Device ID
The readable parameter device_id contains the IC version
code. The current version returns the code 131CH.
7.3
Initialization
The external Power-on reset is active LOW and applied to
pin RST.
Front-end, back-end and the output interface can be
switched into the reset state individually by the I
2
C-bus
programming using reset_fclk, reset_bclk, reset_oif and
reset_dviclk at register GC_RESET (FCH). Each domain
reset is active if the corresponding programming bit is set
to logic 1.
7.4
Clock management
All clock management configuration registers are mapped
to register page 0.
A block diagram of the clock distribution is given in Fig.5.
The clock source for the decoupling FIFO is selected by
fifo_fclk. If fifo_fclk is set to logic 1, the front-end clock is
applied to the decoupling FIFO; otherwise the back-end
clock is used.
The decoupling FIFO always has to be supplied with the
clock signal of the higher clock rate.
handbook, full pagewidth
MHC213
HS_PLL
VCLK (I/O)
ADC sample
clock
front-end
clock
vclk_in_en
dvi_select
vclk_in_en
line_pll_phase[4:0]
back-end
clock
system
clock
configuration
clock
VS_PLL
DVI
clock
CLK
bclk_in_en
LINE-LOCKED
PLL
configuration
signals
PHASE
SHIFT
÷
4
PANEL CLOCK
PLL
configuration
signals
0
1
0
1
frontend_bclk
0
1
clk_div4
0
1
0
1
÷
2
cfgclk_select
0
1
Fig.5 Clock distribution.
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