lc74776m Sanyo Semiconductor Corporation, lc74776m Datasheet

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lc74776m

Manufacturer Part Number
lc74776m
Description
Vps/pdc Video On-screen Display
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Ordering number : EN*6018
Preliminary
Overview
The LC74776/M is an on-screen display controller CMOS
IC that displays characters and patterns on the TV screen
under microprocessor control. This IC includes a built-in
PDC/VPS/UDT interface circuit.
Functions
• Display format: 24 characters by 12 rows (Up to 288
• Character format: 12 (horizontal) 18 (vertical) dots
• Character sizes: Three sizes each in the horizontal and
• Characters in font: 256 (Of the 256 characters, one is a
• Initial display positions: 64 horizontal positions and 64
• Blinking: Specifiable in character units
• Blinking types: Two periods supported:
• Blanking: Over the whole font (12 18 dots)
• Background color: 8 colors (internal synchronization
• Line background color: Three lines can be set up.
• External control input: 8-bit serial input format
• On-chip sync separator circuit
• Video outputs: PAL and NTSC format composite video
• On-chip PDC/VPS/UDT interface circuit supporting I
• Package: DIP30SD
characters)
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
MFP30S
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
outputs
1.0 second and 0.5 second
vertical directions
Blue background only: NTSC
space character (FE hexadecimal)
and one is a transparent space
character (FF hexadecimal))
mode): 4f
8 line background colors (in
internal synchronization mode):
4f
vertical positions
SC
SC
and 2f
and 2f
SC
SC
2
C
unit: mm
3216A-MFP30S
Package Dimensions
unit: mm
3196-DIP30SD
1.14
On-Screen Display Controller IC
30
1
1
30
1.78
0.48
0.35
27.2
15.3
LC74776, 74776M
[LC74776M]
[LC74776]
0.95
1.0
15
16
20399RM(OT) No. 6018-1/35
16
15
0.65
SANYO: DIP30SD
SANYO: MFP30S
0.15
CMOS IC

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lc74776m Summary of contents

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... SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN On-Screen Display Controller IC Package Dimensions unit: mm 3196-DIP30SD 30 1 1.14 unit: mm 3216A-MFP30S and LC74776, 74776M [LC74776 27.2 0.48 0.95 1.78 SANYO: DIP30SD [LC74776M 15.3 0.35 1.0 0.65 SANYO: MFP30S 20399RM(OT) No. 6018-1/35 CMOS IC 0.15 ...

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... Pin Assignment LC74776, 74776M LC74776 LC74776M No. 6018-2/35 ...

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Pin Functions Pin no. Pin Function Ground SS 2 Xtal IN Crystal oscillator Xtal OUT (MUTE input) 3 (MUTE) Crystal oscillator input 4 CTRL1 switching (CHABLK) (CHABLK SCL I C clock input 6 OSC IN ...

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Absolute Maximum Ratings Paremeter Maximum supply voltage Maximum input voltage Maximum output voltage Allowable power dissipation Operating temperature Storage temperature Allowable Operating Ranges Paremeter Supply voltage Input high-level voltage Input low-level voltage Pull-up resistance Composite video signal input voltage Input ...

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Continued from preceding page. Paremeter Color burst low level Color burst high level Background color (other than blue) low level Background color (other than blue) high level Blue background color 1 low level Blue background color 2 low level Blue ...

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Timing Characteristics –30 to +70°C, V • OSD Write (See figure 1.) Paremeter Minimum input pulse width Data setup time Data hold time One word write time 2 • PDC/VPS Write and Read (I C timing) Paremeter ...

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LC74776, 74776M Figure 1 OSD Serial Data Input Timing S: Start condition P: Stop condition Figure 2 PDC/VPS Serial Timing ( bus) No. 6018-7/35 ...

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System Block Diagram LC74776, 74776M No. 6018-8/35 ...

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Display Control Commands Display control commands have an 8-bit format and are transferred using the serial input function. Commands consist of a command identification code in the first byte and command data in the following bytes. The following commands are ...

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COMMAND0 (Display memory write address setup command) • First byte Register State 7 – – – – ...

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Second byte Register State ...

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COMMAND3 (Horizontal display start position and horizontal size setup command) • First byte Register State 7 – – – – HS21 HS20 1 0 ...

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COMMAND4 (Display control setup command) • First byte Register State 7 – – – – TSTMOD RAMERS OSCSTP ...

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COMMAND5 (Display control setup command) • First byte Register State 7 – – – – NP1 NP0 NON ...

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COMMAND6 (Synchronizing signal detection setup command) • First byte Register State 7 – – – – SEL0 MOD0 DISLIN 1 0 ...

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COMMAND7 (Display control setup command) • First byte Register State 7 – – – – – – – – 0 • Second ...

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COMMAND8 (Display control setup command) • First byte Register State 7 – – – – – – – – 1 • Second ...

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COMMAND9 (Display control setup command) • First byte Register State 7 – – – – – – – – 0 • Second ...

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COMMAND10 (Display control setup command) • First byte Register State 7 – – – – – – – – 1 • Second ...

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COMMAND11 (Display control setup command) • First byte Register State 7 – – – – – – – – 0 • Second ...

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COMMAND12 (Display control setup command) • First byte Register State 7 – – – – – – – – 1 • Second ...

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COMMAND18 (Display control setup command) • First byte Register State 7 – – – – – – – – 1 • Second ...

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COMMAND13 (VPS/PDC control setup command) I • First byte Register State 7 – – – – – – – – 1 • ...

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COMMAND14 (VPS/PDC control setup command) I • First byte Register State 7 – – – – – – – – 0 • ...

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COMMAND15 (VPS/PDC control setup command) I • First byte Register State 7 – – – – – – – – 1 • ...

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COMMAND16 (VPS/PDC control setup command) I • First byte Register State 7 – – – – – – – – 0 • ...

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COMMAND17 (VPS/PDC control setup command) I • First byte Register State 7 – – – – – – – – 1 • ...

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PDC/VPS Output Data Format Data is output in order starting with bit 7 of byte 1. PDC 8/30 mode Output data Format 1 Byte 1 Bit 7 byte 15 bit Byte 2 ...

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Continued from preceding page. PDC 8/30 mode Output data Format 1 Byte 7 Bit 7 byte 21 bit Byte 8 Bit 7 byte 13 bit ...

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Data is output in order starting with bit 7 of byte 1. Status display 1 and 2: 8/30/2 - Status display 1 and 2: 8/30/1 Output data Status display mode 1 (3) Status display mode 2 (4) Byte 1 Bit ...

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Continued from preceding page. Output data Status display mode 1 (3) Byte 8 Bit 7 byte 33 6 (33 Byte 9 Bit 7 byte 34 6 (34 Byte ...

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Display Screen Structure The display consists of 12 lines of 24 characters 288 characters can be displayed. The number of characters that can be displayed is reduced from the 288 maximum when enlarged characters are displayed. Display memory ...

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Composite Video Signal Output Levels (internally generated levels) CV output level waveform (V OUT DD (1) (2) (3) Output level V : Character CHA V : Background colors other than blue: high RSH0 V : Blue background colors 1 and ...

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Application Circuit Examples (When used connected to a single-chip Y/C circuit) • External system clock input Microcontroller • Crystal oscillator Microcontroller LC74776, 74776M No. 6018-34/35 ...

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External system clock input (with pins 3 and 4 modified in the mask options) Microcontroller The electrolytic capacitor connected to SYN 1.4 VDC (CV input signal: sync tip = 1 selected in the options for video signals ...

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