hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 35

• Manufacturer Part Number: hd66740
• Description: 112 X 80-dot Graphics Lcd Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

Bit definition:
CMS = 0: COM1/80 => COM1
SGS = 0: SEG1/112 => SEG1
AMP = 1: Operational amplifier and booster circuit on
SLP = 1: Sleep mode
STB = 1: Standby mode
SW = 0:
SW = 1:
CT5-0:
BT1-0:
BS2-0:
REV = 0: Normal display
REV = 1: Black-and-white reversed display of the graphics display
ID = 1:
ID = 0:
RDM = 1:
D = 1:
NL3-0:
DL1-10:
SN3-0:
SL2-0:
CN1–0
B/C = 0:
B/C = 1:
EOR = 1: EOR alternating drive at C-pattern waveform
NW4–0:
DCC = 0: Boosted at 1/64-divided clock
DCC = 1: Boosted at 1/32-divided clock
AD10-0:
Upper register setting
Lower register setting
Contrast adjustment
Boost level selection (00: Triple, 01: Quadruple, 10: Five-times)
LCD drive bias selection
Address increment
Address decrement
Display on
Display line setting (0000: 1/8 duty ratio, 0001: 1/16 duty ratio, 0010: 1/24 duty ratio, 0011: 1/32
duty ratio, 0100: 1/40 duty ratio, 0101: 1/48 duty ratio, 0110: 1/56 duty ratio, 0111: 1/64 duty
ratio, 1000: 1/72 duty ratio, 1001: 1/80 duty ratio)
Double-height line specifications (DL1: 1st line, DL2: 2nd line, DL3: 3rd line, DL4: 4th line, DL5:
5th line, DL6: 6th line, DL7: 7th line, DL8: 8th line, DL9: 9th line, DL10: 10th line)
Display-start line (0000: 1st line, 0001: 2nd line, 0010: 3rd line, 0011: 4th line, 0100: 5th line,
0101: 6th line, 0110: 7th line, 0111: 8th line, 1000: 9th line, 1001: 10th line)
Display-start raster-row specifications (000: 1st raster-row...111: 8th raster-row)
Centering specifications (00: no centering, 01: 16-dot shift below, 10: 8-dot shift above)
B-pattern waveform drive
C-pattern waveform drive
Reversed number of n raster-rows at C-pattern waveform drive (alternating with the set value +
one raster-row)
CGRAM address set (CGRAM: 000H-4EFH)
Read, modify, and write mode (Not automatically update the address counter after reading)
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HD66740