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PDF AX6963 Data sheet ( Hoja de datos )
| Número de pieza | AX6963 | |
| Descripción | Dot Matrix LCD CONTROL LSI | |
| Fabricantes | AsLic Microelectronics | |
| Logotipo |  |
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LCD DRIVER
Data Sheet
AX6963
Dot Matrix LCD CONTROL LSI
AsLic Microelectronics Corporation
LCD Controller
2003 Apr 09
Version: 3.0
This data sheet is subject to change
without notice. Please contact AsLic
for the latest version of this document.
1 page  
ASLIC
AX6963
PIN NAME
C/D
HALT
RESET
DSPON
I/O FUNCTIONS
Input
WR=L ...... C/D = H : Command Write
RD =L ...... C/D = H : Status Read
C/D=L : Data Write
C/D=L : Data Read
Input H ...... Normal, L ...... Stops the oscillation of the clock
Input
H ...... Normal (AX6963 has internal pull-up resistor)
L ...... Initialize AX6963.Text and graphic have addresses and text and graphic
Output
Control pin for external DC/DC.DSPON is L when HALT is L or RESET is L.
(When DSPON goes H,the column drivers are cleared.)
DUAL
Input
H ...... Single-Scan
L ...... Dual-Scan
DUAL
SDSEL
HHLL
H L HL
SDSEL
Input
H ...... Sending data by odd/even separation
L ...... Sending data by simple serial method
Upper screen
Lower screen
HOD, ED
_
ED
_
HOD, ED
LOD, ED
ED
ED
ce0
(LOD)
ce1
(LSCP)
ce
d0 to d7
ad0 to ad15
R/W
ED
HOD
CDATA
HSCP
LP
FR
XI
XO
CH1, CH2
ce0 at DUAL=H Chip enable pin for display memory in the address range 0000h to
Output
07FFH
LOD at DUAL=L Serial data output for odd columns in lower area of LCD
ce1 at DUAL=H Chip enable pin for display memory in the address range 0800h to
Output
0FFFH
LSCP at DUAL=L Shift clock pulse output for column drivers in lower area of LCD
Output Chip enable pin for display memory of any address
I/O Data I/O pins for display memory
Output
Address outputs for display memory
(ad15=L : for upper area of LCD, ad15=H : for lower area of LCD)
Output Read/Write signal for display memory
Output
Output
SDSEL=H : Data output for even columns in both upper and lower areas of LCD
SDSEL=L : Date output for columns in both upper and lower areas of LCD
Date output for odd columns in upper area of LCD
Output Synchronous signal for row driver
Output Shift clock pulse for column driver of upper area of LCD
Output Latch pulse for column driver.Shift clock pulse for row driver
Output Frame signal
Input Crystal oscillator input
Output Crystal oscillator output
Output Check signal
Version3.0
AsLic Microelectronics Corporation
4
5 Page 
ASLIC
AX6963
Status checking flow
a)
STATUS
STA0=1
STA1=1
YES
RETURN
NO
b)
AUTO MODE STATUS
(*1)
YES
RETURN
NO
(*1)
STA2=1 (Read)
or
STA3=1 (Write)
(Note 4) : When using the MSB=0 command, a Status Read must be performed.
If a status check is not carried out, the AX6963 cannot operate normally, even after a delay time.
The hardware interrupt occurs during the address calculation period (at the end of each line).
If a MSB=0 command is sent to the AX6963 during this period, the AX6963 enters wait status.
If a status check is not carried out in this state before the next command is sent, there is the
possibility that the command or data will not be received.
(2) Setting data
When using the AX6963, first set the data,then set the command.
Procedure for sending a command
a)The case of 1 data
b)The case of 2 data
Send Command
Send Command
Status check
STA0, 1
Status check
STA0, 1
Data write
Data write
Status check
Command write
Status check
Date write
END
Status check
Command write
END
(Note) : When sending more than two data,the last datum (or last two data ) is valid.
AsLic Microelectronics Corporation
Version 3.0
10
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AX6963.PDF ] | |
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