STV0056A STMicroelectronics, STV0056A Datasheet - Page 18

• Manufacturer Part Number: STV0056A
• Description: Video ICs Analog Sound/Video
• Manufacturer: STMicroelectronics
• Type: Audio DSPr

Specifications of STV0056A

• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-56
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STV0056A
CONTROL REGISTERS (continued)
Reg 2
Bit (default F7
0
1
2
3
4
5
6
7
Reg 3
Bit (default F7
0
1
2
3
4
5
6
7
Reg 4
Bit (default BF
0
1
2
3
4
5
6
7
Reg 5
Bit (default B5
0
1
2
3
4
5
6
7
Reg 6
Bit (default 86
0
1
2
3
4
5
6
7
18/26
H Select video source for scart 1 O/P
H Select video source for scart 1 O/P
H Select video source for scart 1 O/P
L
H Select audio source for volume output (Switch K1)
H Select audio source for volume output (Switch K1)
H Select Left/Right/Stereo for volume output
H Select Left/Right/Stereo for volume output
H Select video source for scart 2 O/P
H Select video source for scart 2 O/P
H Select video source for scart 2 O/P
L
H Select audio source for Scart 2 output (Switch K5)
H Select audio source for Scart 2 output (Switch K5)
H Audio deemphasis select (Switch K2)
H Audio deemphasis select (Switch K2)
H Select source for video decoder O/P
H Select source for video decoder O/P
H Select source for video decoder O/P
H Stand-by or low power mode (H = low power)
H Select audio source for Scart 3 output (Switch K6)
H Select audio source for Scart 3 output (Switch K6)
L
H Black level adjust on Scart 3 video
H FM deviation selection -- default value for 50kHz modulation
L
H FM deviation selection
L
H FM deviation selection
H FM deviation selection (L = double the FM deviation)
L
H Select TP50a (H) or I/O (Pin 29 / STV0056A). TP50a for test only.
L
H Select data direction of I/O 1 ( H = output)
H Select frequency synthesizer 1 OFF/ON (L = OFF)
L
L
L
L
H Select frequency for PLL synthesizer - bit 1 of 10-bit value
Select 4.000MHz or 8.000MHz clock speed (L = 8MHz)
Video deemphais 2 / 22kHz (H : 22kHz)
Black level adjust on Scart 3 video
FM deviation selection
FM deviation selection
Select 22kHz for I/O
Status of I/O
Select frequency synthesizer 2 OFF/ON (L = OFF)
Select RF source (L = OFF) to FM det 1
Select RF source (L = OFF) to FM det 2
Select frequency for PLL synthesizer - LSB (bit 0) of 10-bit value
write only
write only
write only
write only
write/read
HEX
HEX
HEX
HEX
HEX
)
)
)
)
)
(Pin 29 / STV0056A)