RW1068 ETC-unknow, RW1068 Datasheet - Page 9

• Manufacturer Part Number: RW1068
• Description: 26com/84seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: ETC-unknow

DB6/SCLK
DB0-DB3
DB5/CSB
DB7/SID
PAD DESCRIPTION (continued)
PAD
PSB
DB4
RW
RS
E
INPUT/OU
Output
Output
Output
Output
Output
TPUT
Input.
Input.
Input.
Input.
Input.
Input
Input
Input
Input
Register select
Data bus 0~3
Data bus 5 /
Data bus 6 /
Data bus 7 /
Read. Write
Serial clock
Serial input
Chip select
Data bus 4
Interface
selection
enable
Read.
mode
Write
data
26COM/84SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
RockWorks Technology Corp.
Select Interface mode with the MPU.
When PSB = “Low” : Serial mode,
When PSB = “High”: 4 -bit / 8 -bit bus mode.
In bus mode, used as register selection input.
When RS = “High”, Date register is selected.
When RS = “Low”, Instruction register is selected.
In bus mode, used as read write enable signal.
In bus mode, used as read / write selection input.
When RW =”High”, read operation.
When RW =”Low”, write operation.
During 4-bit bus mode or serial mode, open these pins.
In 8-bit bus mode, used as high order bi-directional data bus.
In case of 4-bit bus mode, used as both high and low order.
In 8-bit bus mode, used as high order bi-directional data bus.
In case of 4-bit bus mode, used as both high and low order.
In serial mode, used as chip selection input.
When CSB = “Low”, selected
When CSB = “High”, not selected. ( Low access enable )
In 8-bit bus mode, used as high order bi-directional data bus.
In case of 4-bit bus mode, used as both high and low order.
In serial mode, used as serial clock input pin.
In 8-bit bus mode, used as high order bi-directional data bus.
In case of 4-bit bus mode, used as both high and low order.
DB7 used for Busy Flag output.
In serial mode, used for data input pin.
In 8-bit bus mode, used as low order bi-directional data bus.
9
DESCRIPTION
.
RW1068
INTERFACE
MPU
MPU
MPU
MPU
MPU
MPU
MPU
MPU
MPU