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PDF LC74736PT Data sheet ( Hoja de datos )
| Número de pieza | LC74736PT | |
| Descripción | CMOS IC On-Screen Display Controller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0569A
LC74736PT CMOS IC
On-Screen Display Controller
Overview
The LC74736PT is an on-screen display CMOS IC that displays characters and patterns on a TV screen under the control
of a microcontroller.
For QVGA display, the LC74736PT supports the use of both a 16 × 16 dot character font and a 16 × 16 dot graphic font
with 16 colors.
For WVGA display, the LC74736PT supports the use of both a 24 × 32 dot character font and a 24 × 32 dot graphic font
with 16 colors.
The LC74736PT can also implement extremely varied displays by the use of an external ROM.
The LC74736PT supports both QVGA (480×234) and WVGA (800×480).
Features
(1) Screen structure
Main: 2 screens (1 screen for WVGA display)
30 characters×15 lines (up to 450 characters) on a QVGA panel
33 characters×15 lines (up to 495 characters) on a WVGA panel
(Up to 34 characters×18 lines)
Wallpaper display screen:
QVGA mode: maximum Permanent repetition of a 4×4 (horizontal×vertical) character pattern
WVGA mode: maximum Permanent repetition of a 2×2 (horizontal×vertical) character pattern
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
60607HKIM 20061221-S00013 No.A0569-1/106
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Pin Functions
Pin No.
1
2
3
Symbol
VSS1
VDD1
OSCin
4 OSCout
5 EXTclk
6 CTRL1
7 SCLK
8 SIN
9 CS
10 VSYNC
11 HSYNC
12 TEST1
13 TEST2
14 RST
15 CLKOUT
16 VSS1
17 NC
18 NC
19 NC
20 NC
21 NC
22 VSS4
23 PD0
24 VCOR
25 VDD4
26 BFin
27 BFout
28 RD3
29 RD2
30 RD1
31 RD0
32 GD3
33 GD2
34 GD1
35 GD0
36 VDD1
LC74736PT
Type
Ground
Power supply (+3.3V)
LC oscillator
External clock signal input
OSCin oscillator input control
Clock input
Data input
Enable input
Vertical sync signal input
Horizontal sync signal input
Test mode control 1
Test mode control 2
Reset input
Clock output
Ground
Functional description
Connect a ground to this pin. (Digital system ground)
Digital system power supply: +3.3V
Connect to the character output dot clock generator oscillator coil and
capacitor.
Receives an external clock signal.
Capacitor coupling, 50% duty cycle, 0.5Vp-p or higher
Switches between external clock input mode and LC oscillator mode.
Low: LC oscillator, high: external clock input MORE+
OR control with MORE+ command
Clock input for the serial data input system
MORE+ (This input has hysteresis characteristics.)
Serial data input
MORE+ (This input has hysteresis characteristics.)
Enable input for the serial data input system. Serial data input is enabled
when this pin is set low.
MORE+ (This input has hysteresis characteristics.)
Vertical sync signal input
MORE+ (This input has hysteresis characteristics.)
Horizontal sync signal input
MORE+ (This input has hysteresis characteristics.)
Test mode control 1
Low: normal operation, high: test mode MORE+
Test mode control 2
Low: normal operation, high: test mode (scan mode) MORE+
System reset input
MORE+ (This input has hysteresis characteristics.)
Clock output
Connect a ground to this pin. (Digital system ground)
Ground
PLL charge pump output
PLL VCO control voltage input
VCO variable range adjustment
Power supply (+3.3V)
Amplifier input
Amplifier output
Rout output: bit 3
Rout output: bit 2
Rout output: bit 1
Rout output: bit 0
Gout output: bit 3
Gout output: bit 2
Gout output: bit 1
Gout output: bit 0
Power supply (+3.3V)
Connect a ground tro this pin. (PLL system power supply)
Charge pump output
Connect a LPF (lug lead filter) to this pin.
Voltage input for internal VCO control
Used to adjust variable voltage range of internal VCO.
Connect a resistor to this pin.
PLL system power supply: +3.3V
Oscillation input for external VCO
Oscillation output for external VCO
Rout output
This is a 4-bit digital output with values from 0000 to 1111.
Gout output
This is a 4-bit digital output with values from 0000 to 1111.
Digital system power supply: +3.3V
Continued on next page.
No.A0569-5/106
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LC74736PT
Display Control Commands
The display control commands have serial input format that consists of 8-bit units transmitted LSB first. A commands
consists of a command identification code in the first byte and data in the second and following bytes. Both a first byte
and a second byte (16 bits) must be transmitted for each command. Commands 10, 11, 12, 6C1, and 701 set the IC to
continuous write mode. (Continuous write mode is cleared by setting the CS pin high.)
Display Control Command Table
Command
COMMAND00
(Write address) Main 1: V
COMMAND01
(Write address) Main 1: H
COMMAND02
(Write address) Main 2: V
COMMAND03
(Write address) Main 2: H
COMMAND04
(Write address) Sub
COMMAND10
(Character write) Main 1
7
1
1
1
1
1
1
COMMAND11
(Character write) Main 2
1
COMMAND12
(Character write) Sub
1
COMMAND20
(System control)
COMMAND21
(Display control)
COMMAND22
(I/O polarity control 1)
COMMAND23
(Screen background color)
COMMAND24
(I/O polarity control 2)
1
1
1
1
1
First byte
Second byte
Command identification code data
Data
654 3 2 1 0 7 6 5 4 3 2 1 0
0 00
00
0
0
0
0
0 V14 V13 V12 V11 V10
0 00
00
1
0
0
0 H15 H14 H13 H12 H11 H10
0 00
01
0
0
0
0
0 V24 V23 V22 V21 V20
0 00
01
1
0
0
0 H25 H24 H23 H22 H21 H20
0 0 0 1 0 0 0 SV1 SV0 0 0 0 0 SH1 SH0
0 01
0 01
0 01
0 10
0 10
0 10
0 10
0 10
0 0 RM2 RM1[1] HF1 HF0 at BXS BXL BXR BXU BXD
[2] CB3 CB2 CB1 CB0 CC3 CC2 CC1 CC0
[3] 0 CTB1 CTB0 I/E MG1 MG0 RO1 RO0
[4] 0
0 C13 C12 C11 C10 C9 C8
[5] C7 C6 C5 C4 C3 C2 C1 C0
0 1 RM2 RM1[1] HF1 HF0 at BXS BXL BXR BXU BXD
[2] CB3 CB2 CB1 CB0 CC3 CC2 CC1 CC0
[3] 0 CTB1 CTB0 I/E MG1 MG0 RO1 RO0
[4] 0
0 C13 C12 C11 C10 C9 C8
[5] C7 C6 C5 C4 C3 C2 C1 C0
1 0 RM2 RM1[1] 0 0 0 0 0 0 0 0
[2] 0 0 0 0 0 0 0 0
[3] 0 CTB1 CTB0 I/E MG1 MG0 RO1 RO0
[4] 0
0 C13 C12 C11 C10 C9 C8
[5] C7 C6 C5 C4 C3 C2 C1 C0
00
0 0 TST TST SYS FRM CT SRM MRM MRM
MD2 MD1 RST ERS ERS ERS ER2 ERS1
0 0 0 1 BK BK BK BK DSP DSP DSP DSP
12 02 11 01 BG GS GM2 GM1
0 0 1 0 0 BLOP BLO BLO BLO CKP VIP HIP
210
0 0 1 1 DPM DPM BGC BGC BGC BGC BGC BGC
HC1 HC0 T1 T0 3 2 1 0
0 1 0 0 DPM DPM DA SBG GD GD GD CKOP
MD VC SEL SL
21
0
Continued on next page.
No.A0569-11/106
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC74736PT.PDF ] | |
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