ks0073 ETC-unknow, ks0073 Datasheet - Page 35

• Manufacturer Part Number: ks0073
• Description: 34com / 60seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: ETC-unknow

KS0073
DL: Interface data length control bit
When DL = “High”, it means 8-bit bus mode with MPU.
When DL = “Low”, it means 4-bit bus mode with MPU. Hence, DL is a signal to select
8-bit or 4-bit bus mode.
When 4-bit bus mode, it is required to transfer 4-bit data twice.
N: Display line number control bit
It is variable only when NW bit of extended function set instruction is Low.
When N = “Low”, 1-line display mode is set.
When N = “High”, 2-line display mode is set.
When NW = “High”, N bit is invalid, 4-line mode independent of N bit.
RE: Extended function registers enable bit
When RE
shift/scroll enable instruction and BE bits of function set register can be accessed.
BE: CGRAM/SEGRAM data blink enable bit
BE = “High”, makes user font of CGRAM and segment of SEGRAM blinking. The quantity of blink is
assigned the highest 2 bit of CGRAM/SEGRAM.
LP: Low power consumption mode enable bit
When EXT port input is “Low” (without extension driver) and LP bit is set to “High”, KS0073 operates in low
power consumption mode.
During 1-line mode KS0073 operates on a 4-division clock, and in 2-line or 4-line mode it operates on
2-division clock. According to this instruction, execution time becomes 4 or 2 times longer.
Note not to use display shift instruction, as it may result in incorrect operation.
And the frame frequency is 5/6 times lower than that of normal operation.
10) Set CGRAM Address (RE = 0)
Set CGRAM address to AC.
This instruction makes CGRAM data available from MPU.
(2) (RE = 1)
RS
RS
0
0
“High”, extended function set registers, SEGRAM address set registers, BID bit, HS/DS bits of
R/W
R/W
0
0
DB7
DB7
0
0
DB6
DB6
34COM / 60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
0
1
DB5
DB5
AC5
1
DB4
DB4
AC4
DL
DB3
DB3
AC3
N
DB2
DB2
AC2
RE
(1)
DB1
DB1
AC1
BE
DB0
DB0
AC0
LP