RW1068 ETC-unknow, RW1068 Datasheet - Page 35

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

When the power is turned on, RW1068 is initialized automatically by power on reset circuit. During the
initialization, the following instructions are executed, and BF (Busy Flag) is kept "High"(busy state) to
the end of initialization.
Write "20H" to all DDRAM
IF = 1: 8-bit bus mode
RE = 0: Extension register disable
BE = 0: CGRAM/SEGRAM blink OFF
DC = 0: Code bank selection enable
REV = 0: Normal display (Not reversed display)
D = 0: Display OFF
C = 0: Cursor OFF
B = 0: Blink OFF
I/D = 1: Increment by 1
S = 0: No entire display shift
BID = 0: Normal direction segment port
B/W = 0: Normal cursor (11th line)
DS=00
SD = 000000
When XRESET pin = "Low", RW1068 can be initialized like the case of power on reset. During the
power on reset operation, this pin is ignored.
INITIALIZING
INITIALIZING BY INTERNAL RESET CIRCUIT
Display Clear Instruction
Set Functions Instruction
Control Display ON/OFF Instruction
Set Entry Mode Instruction
Set Extension Function Instruction
Enable Shift Instruction
Set data length Instruction
INITIALIZING BY HARDWARE RESET INPUT
26COM/84SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
RockWorks Technology Corp.
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RW1068