參數資料
型號: 9402AVK
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: 14 X 14 MM, 2 MM HEIGHT, PLASTIC, MS-022, MQFP-80
文件頁數: 52/126頁
文件大?。?/td> 1673K
代理商: 9402AVK
DATA SHEET
Micronas
Aug. 16, 2004; 6251-552-1DS
31
The selection between freerunning and locked clocks
may be forced or selected to be dependent on PLL
conditions. Please refer to Fig. 2–41
A
clock
output
of
27 MHz
(single-scan
version:13.5 MHz) is possible (pin 27:clkout). This
clock is 3/4 of CLKB36. HOUT and VOUT are in line
with this sampling clock. The clock output can be dis-
abled by CLKOUTON. Additionally a 20.25 MHz clock
can be output to pin 74 (656hin/clkf20) to supply other
ICs (e.g. PiP) with the same clock (CLKF2PAD). When
enabled, 656-input with separate H/V-sync is not pos-
sible. For 656-output operation, CLKB36 is given to pin
9 (656clk).
Fig. 2–41: Conditions for Freerunning/Locked Switching
Table 2–17: Clock system
Name
Clock
Nominal Frequency
‘H-/V-
locked’
Mode
‘H-freerunning-
V-locked’
Mode
‘H-/V-
freerunning’
Mode
CLKF20
CVBS front-end
20.25 MHz
FR
CLKF40
RGB front-end,
input processing
40.5 MHz
FR
CLKB36
Output and dis-
play processing
9402: 36 MHz (analog out)
9412: 27 MHz (digital out)
LL
FR
CLKB72
Oversampling,
DAC
9402: 72 MHz
9412: 54 MHz
LL
FR
CLKB27
CLKOUT-pin
9402: 27 MHz
9412: 20.25 MHz
LL
FR
STAB=0 and
AUTOFREERUN=1x
Freerun
Generator
LL-PLL
Front-end
PLL
STABLL
(indicates PLL stability)
0
1
0
1
SETSTABLL
HOUTFR
0
1
yes
no
CVBS
CLKBxx
locked
clocks
freerunning
clocks
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相關代理商/技術參數
參數描述
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9402H 制造商:Abbatron/HH Smith 功能描述:
9402L 制造商:Abbatron/HH Smith 功能描述:
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