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PDF LR38516 Data sheet ( Hoja de datos )
| Número de pieza | LR38516 | |
| Descripción | Timing Generator IC for 350 k-pixel Progressive Scan Color CCDs | |
| Fabricantes | Sharp | |
| Logotipo |  |
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LR38516
LR38516
DESCRIPTION
The LR38516 is a CMOS timing generator IC
which is designed for video-camcorders, and which
generates timing pulses for driving 350 k-pixel
progressive scan color CCD area sensors,
synchronous pulses for TV signals and processing
pulses for video signals.
FEATURES
• Designed for 350 k-pixel progressive scan color
CCD area sensors
• Frame rate : 30 frame/s
• Shutter speed can be controlled in 1H period
using a serial code
• TV mode selection, power mode selection and
the phase selection of DCLK can be also
controlled by using a serial code
• +3 V, +4.5 V and +5 V power supplies
• Package :
48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
Timing Generator IC for 350 k-pixel
Progressive Scan Color CCDs
PIN CONNECTIONS
48-PIN QFP
TOP VIEW
48 47 46 45 44 43 42 41 40 39 38 37
VTAX 1
VTBX 2
VTCX 3
VTDX 4
OFDX 5
VDD3 6
GND 7
VHAX 8
VHCX 9
ID 10
WEN 11
TST1 12
36 TST3
35 ED2
34 ED1
33 ED0
32 HD
31 GND
30 VDD3
29 DMVD
28 DCLK
27 CLK
26 CKO
25 CKI
13 14 15 16 17 18 19 20 21 22 23 24
(QFP048-P-0707)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
1
1 page  
LR38516
PIN NO. SYMBOL I/O POLARITY
PIN NAME
DESCRIPTION
37 CCD1
ICU4
An input pin to select CCD.
– CCD selection input 1 At CCD1 = H and CCD2 = H
1/4-type 350 k-pixel CCD (at NTSC)
38 CCD2
ICU4
– CCD selection input 2 At CCD1 = H and CCD2 = L
1/3-type 350 k-pixel CCD (at NTSC)
An input pin for resetting all serial data at power on.
39 CLRX
ICU4 – Data clear input
Connect VDD through the diode and GND through the
capacitor.
40 VDD4
– – Power supply
Supply of +4.5 V power.
41 FH1
O6MA43
Horizontal transfer
pulse output 1
A horizontal transfer pulse for CCD.
Connect to ØH1 pin of CCD.
42 GND
– – Ground
A grounding pin.
43 FH2
O6MA43
Horizontal transfer
pulse output 2
A horizontal transfer pulse for CCD.
Connect to ØH2 pin of CCD.
44 VDD4
– – Power supply
Supply of +4.5 V power.
45 NC
– – No connection
No connection.
46 ADCK O6MA4
AD clock output
An output pin for A/D converter. The output phase of
ADCK is selected by serial data step by 90˚.
47 GND
– – Ground
A grounding pin.
48 DBLK
O3
Dummy composite Composite blanking pulse.
output
Vertical : 33H period
IC3
ICU4
ICD3
O3
O6MA3
O6MA4
: Input pin (CMOS level)
: Input pin (CMOS level with pull-up resistor)
: Input pin (CMOS level with pull-down resistor)
: Output pin
: Output pin
: Output pin
O6MA43 : Output pin
O5 : Output pin
O6MA5 : Output pin
O6MA52 : Output pin
OSCI3 : Input pin for oscillation
OSCO3 : Output pin for oscillation
CONNECTION OF VERTICAL TRANSFER PULSES
OUTPUT PULSE LEVEL SHIFT, INVERT, MIX
1/4-TYPE 350 k
VTAX
VHAX
3-level pulse with V driver
ØV3B
VTCX
VHCX
3-level pulse with V driver
ØV3A
VTBX
2-level pulse with V driver
ØV2
VTDX
2-level pulse with V driver
ØV1
1/3-TYPE 350 k, 380 k AND 450 k
ØV1
ØV3
ØV2
ØV4
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LR38516.PDF ] | |
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