msm7664 Oki Semiconductor, msm7664 Datasheet - Page 73
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msm7664
Manufacturer Part Number
msm7664
Description
Ntsc/pal Digital Video Decoder
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7664.pdf
(76 pages)
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75 W
75 W
AMPOUT
Video in
(Composite
Y input)
Video in
(C input)
¡ Semiconductor
2) Application Circuit for FM-1 and FM-2 Modes
• Select either 16-bit [YCbCr] or RGB output as the output interface.
• Number of field memories utilized
• Video input can be four composite inputs or two S-Video inputs.
• Connect unused video input pins to AGND. If a composite signal is input, the C input side
• If the input is limited to the composite signal, connect VIN (5:6), VRT2, VRB2, AMPOUT2,
• Set the MODE[3:0] pins to the prescribed setting.
• For the FM-1 mode setting, externally generate and supply control signals for the field
• For the FM-2 mode setting, memory control signals from M[7:4] can be supplied to the field
• For the FM-2 mode setting, the output timing for HSYNC_L, VSYNC_L, ODD, VVALID, and
• Supply power and GND for analog, A/D, and digital circuits on the circuit board should be
10 kW
(video amp, A/D converter, etc.) will be in the OFF operation state.
ADIN2, and CLPOUT2 pins to AGND. Externally attached components such as capacitors
may be removed.
memory.
memory.
HVALID becomes the memory read timing. Data output from memory is aligned with the
various sync signal timings. (See page 31 and page 32)
separated at the power source wherever possible. Power and GND lines for analog and A/D
circuits must be wide and low impedance.
1 mF
100 W
10 mF
1 mF
16-bit [YCbCr]: Use 2 field memories.
RGB: Use 3 field memories.
75 W
LPF
10 mF
10 mF
Controller
75 W
10 mF
250 pF
I
2
C
1 mF
1 mF
LPF
LPF
ADIN
4
2
4.7 kW
VIN(1:4)
VRT1
AMPOUT
ADIN1
CLPOUT1
VRCL1
VRB1
VIN(5:6)
VRT2
AMPOUT2
ADIN2
CLPOUT2
VRB2
SDA SCL RESET_L AV
AGND
3.3 V or 5 V
4.7 kW
DAGND
DGND
1000 pF
47 mF
DD
MSM7664
DAV
MODE[3:0]
1000 pF
47 mF
DD
DV
1000 pF
47 mF
DD
CLKX2
HSYNC_L
VSYNC_L
M[7:4]
CLKX2O
HVALID
VVALID
CLKXO
control signal
Y(7:0)
C(7:0)
B(7:0)
ODD
Memory
Field
mem-
ory
Field
mem-
ory
OSC
PEDL7664-01
MSM7664
Video LSI
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