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參數(shù)資料
| 型號： | CIP3250A |
| 廠商： | MICRONAS SEMICONDUCTOR HOLDING AG |
| 元件分類： | 消費家電 |
| 英文描述： | Component Interface Processor |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 31/44頁 |
| 文件大?。?/td> | 326K |
| 代理商： | CIP3250A |
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ADVANCE INFORMATION
CIP 3250A
31
Micronas
Pin 55
–
RESQ Input (Fig. 3
–
10)
A low signal at this input pin generates a reset. The low-
to-high transition of this signal should occur when the
supply voltage is stable (power-on reset).
Pin 56
–
TMODE Input (Fig. 3
–
2)
This pin is for test purposes only and must be connected
to ground in normal operation.
Pin 57
–
AVDD Analog Supply +5 V
This is the supply voltage pin for the A/D converters and
must be connected to a positive supply voltage.
Note: The layout of the PCB must take into consideration
the need for a low-noise supply. A bypass capacitor has
to be connected between ground and AVDD.
Pin 58
–
AVSS Analog Ground
This is the ground pin for the A/D converters and must
be connected to ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
Pin 59
–
ADREF Connect External Capacitor (Fig. 3
–
11)
This pin should be connected to ground over a 10
μ
F and
a 100 nF capacitor in parallel.
Pin 60
–
SUBSTRATE
This is connected to the platform which carries the
“
die
”
and must be connected to the ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
Pin 61
–
FB Analog Fast Blank Input (Fig. 3
–
12)
This input takes the DC-coupled analog Fast Blank sig-
nal. The amplitude is 1.0 V maximum at 75 Ohms. Con-
nect to ground if not used.
Pin 62
–
GNDFB Analog Ground
This is the ground pin for the AD converter of the Fast
Blank signal and has to be connected to ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
Pin 63
–
BU Analog Blue/U Chroma Input (Fig. 3
–
13)
This input pin takes the AC-coupled analog component
signal Blue or U Chroma. The amplitude is 1.0 V maxi-
mum at 75 Ohms and a coupling capacitor of 220 nF. In-
ternally, the DC-offset of the input signal is adjusted via
the programmable internal clamping circuit. Connect to
ground if not used.
Pin 64
–
GNDBU Analog Ground
This is the ground pin for the A/D converter of the Blue
or U Chroma signal and must be connected to ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
Pin 65
–
GY Analog Green/Luma Input (Fig. 3
–
13)
This input pin takes the AC-coupled analog component
signal Green or Luma. The amplitude is 1.0 V maximum
at 75 Ohms and a coupling capacitor of 220 nF. Inter-
nally, the DC-offset of the input signal is adjusted via the
programmable internal clamping circuit. Connect to
ground if not used.
Pin 66
–
GNDGY Analog Ground
This is the ground pin for the A/D converter of the Green
or Luma signal and must be connected to ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
Pin 67
–
RV Analog Red/V Chroma Input (Fig. 3
–
13)
This input pin takes the AC-coupled analog component
signal Red or V Chroma. The amplitude is 1.0 V maxi-
mum at 75 Ohms and a coupling capacitor of 220 nF. In-
ternally, the DC-offset of the input signal is adjusted via
the programmable internal clamping circuit. Connect to
ground if not used.
Pin 68
–
GNDRV Analog Ground
This is the ground pin for the A/D converter of the Red
or V Chroma signal and must be connected to ground.
Note: All ground pins of the chip (i.e. 18, 52, 58, 60, 62,
64, 66, and 68) must be connected together low resis-
tive. The layout of the PCB must take into consideration
the need for a low-noise ground.
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