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PDF SPLC780C Data sheet ( Hoja de datos )
| Número de pieza | SPLC780C | |
| Descripción | 16com / 40seg Controller / Driver | |
| Fabricantes | Sunplus | |
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SPLC780C
16COM/40SEG Controller/Driver
JUL. 09, 2002
Version 1.1
SUNPLUS TECHNOLOGY CO. reserves the right to change this documentation without prior notice. Information provided by SUNPLUS TECHNOLOGY
CO. is believed to be accurate and reliable. However, SUNPLUS TECHNOLOGY CO. makes no warranty for any errors which may appear in this document.
Contact SUNPLUS TECHNOLOGY CO. to obtain the latest version of device specifications before placing your order. No responsibility is assumed by
SUNPLUS TECHNOLOGY CO. for any infringement of patent or other rights of third parties which may result from its use. In addition, SUNPLUS products
are not authorized for use as critical components in life support devices/ systems or aviation devices/systems, where a malfunction or failure of the product
may reasonably be expected to result in significant injury to the user, without the express written approval of Sunplus.
1 page  
SPLC780C
4. SIGNAL DESCRIPTIONS
Mnemonic
VDD
VSS
OSC1
OSC2
V1 - V5
E
RW
PIN No.
33
23
24
25
26 - 30
38
37
RS 36
DB0 - DB3
DB4 - DB7
CL1
CL2
M
D
SEG1 - SEG22
SEG23 - SEG40
COM1 - COM16
39 - 42
43 - 46
31
32
34
35
22 - 1
80 - 63
47 - 62
Type
I
I
-
I
I
I
I
I/O
I/O
O
O
O
O
O
O
Description
Power input
Ground
Both OSC1 and OSC2 are connected to resistor for internal oscillator circuit. For
external clock operation, the clock is input to OSC1.
Supply voltage for LCD driving.
A start signal for reading or writing data.
A signal for selecting read or write actions.
1: Read, 0: Write.
A signal for selecting registers.
1: Data Register (for read and write)
0: Instruction Register (for write),
Busy flag - Address Counter (for read).
Low 4-bit data
High 4-bit data
Clock to latch serial data D.
Clock to shift serial data D.
Switch signal to convert LCD waveform to AC.
Sends character pattern data corresponding to each common signal serially.
1: Selection, 0: Non-selection.
Segment signals for LCD.
Common signals for LCD.
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
5
JUL. 09, 2002
Version: 1.1
5 Page 
SPLC780C
No. Instruction
12 Entry mode set
0000000111
13 Write data to CG RAM / DD RAM
1001011001
14 :
15 Return home
0000000010
Display
WELCOME
TO PART_
ELCOME
O PARTY_
:
WELCOME
TO PARTY
Operation
When writing, it sets mode for the display shift.
Write " Y ".
The cursor is incremented by one and shifted to the right.
:
Both the display and the cursor return to the original position
(address 0).
5.7. Reset Function
At power on, SPLC780C starts the internal auto-reset circuit and executes the initial instructions. The initial procedures are shown as
follows:
Power On
[ 8-Bit Interface ]
W ait time > 15 ms
after VDD > 4.5V
W ait time > 40ms
After VDD > 2.7V
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
00 0 0 1 1 X X X X
W ait time > 4.1 ms
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
00 0 0 1 1 X X X X
W ait time > 100 us
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
00 0 0 1 1 X X X X
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
000 0 11 N F XX
000 0 00 1 0 0 0
000 0 00 0 0 0 1
0 0 0 0 0 0 0 1 I/D S
Initialization Ends
BF can be checked after the following
instructions .
Function set ( Interface is 8 bits length .
Specify the number of display lines and
character font . )
The number of display lines and character
font cannot be changed afterwards .
Display off
Display clear
Entry mode set
© Sunplus Technology Co., Ltd.
Proprietary & Confidential
11
JUL. 09, 2002
Version: 1.1
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SPLC780C.PDF ] | |
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