參數(shù)資料
型號： 935267395551
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉換
英文描述： COLOR SIGNAL DECODER, PBGA156
封裝： 15 X 15 MM, 1.15 MM HEIGHT, PLASTIC, MS-034, SOT-472-1, BGA-156
文件頁數(shù)： 148/178頁
文件大?。?/td> 988K
代理商： 935267395551
2004 Jul 22
71
Philips Semiconductors
Product specication
Multistandard video decoder with adaptive
comb lter and component video input
SAA7118
Table 27 Clock and real-time synchronization signals
Note
1. Pin numbers for QFP160 in parenthesis.
SYMBOL PIN(1) I/O
DESCRIPTION
BIT
Crystal oscillator
XTALI
B4
(155)
I
input for crystal oscillator or reference clock
XTALO
A3
(156)
O
output of crystal oscillator
XTOUT
A2
(158)
O
reference (crystal) clock output drive (optional)
XTOUTE[14H[3]]
Real-time signals (RT port)
LLC
P4
(46)
O
line-locked clock, nominal 27 MHz, double pixel clock locked to the
selected video input signal
LLC2
N5
(48)
O
line-locked pixel clock, nominal 13.5 MHz
RTCO
L10
(71)
O
real-time control output, transfers real-time status information
supporting RTC level 3.1 (see document “RTC Functional Description”,
available on request)
RTS0
M10
(69)
O
real-time status information line 0, can be programmed to carry various
real-time information; see Table 57
RTSE0[3:0] 12H[3:0]
RTS1
N10
(70)
O
real-time status information line 1, can be programmed to carry various
real-time information; see Table 58
RTSE1[3:0] 12H[7:4]
9.4
Interrupt handling
9.4.1
INTERRUPT FLAGS
The pin INT_A is an open-drain output (active LOW). All
flags can be independently enabled. For the default setting
all flags are disabled after reset. For the description of
interrupt mask registers; see Section 15.4.
9.4.1.1
Power state
PRDON: a power fail has been detected during normal
operation, the device needs re-programming.
9.4.1.2
Video decoder
INTL: interlaced/non-interlaced source detected.
HLCK: horizontal PLL state changed (locked
unlocked).
HLVLN: vertical lock state changed (locked
unlocked).
FIDT: detected field frequency has changed
(50 Hz
60 Hz).
RDCAP: ready for capture (true
false).
DCSTD[1:0]: detected colour standard has changed or
colour lost.
COPRO, COLSTR and TYPE3: various levels of copy
protection have changed.
9.4.1.3
VBI data slicer
VPSV: VPS identification found or lost.
PPV: PALplus identification found or lost.
CCV: Closed caption identification found or lost.
9.4.1.4
Scaler
ERROF: scaler output formatting error detected.
9.4.2
STATUS READING CONDITIONS
The status information read after an interrupt will always
be the LATEST state, that means the status will not be
‘frozen’ when an interrupt is being generated. Therefore, if
there is a long time between interrupt generation and
status reading, the original trigger condition might have
been overridden by the present state.
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