HD66750 Datasheet, PDF (19/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

CGRAM Address Map
Table 4 Relationship between Display Position and CGRAM Address
HD66750/1
Segment
Driver
¥¥¥
¥¥¥ ¥¥¥¥¥¥¥¥¥¥
¥¥¥
SGS="0" D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D0 D1 _¥¥¥ D15 D0 D1 _¥¥¥ D15 _{¥¥¥¥¥¥¥¥¥¥}
Bit
SGS="1" D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D15 D14 ^¥¥¥ D0 D15 D14 ^¥¥¥ D0 ^{¥¥¥¥¥¥¥¥¥¥}
D0 D1 _¥¥¥ D15
D15 D14 ^¥¥¥ D0
COM1
COM2
Address: "000"H
Address: "010"H
"001"H
"011"H
"002"H
"012"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"00F"H
"01F"H
COM3
Address: "020"H
"021"H
"022"H ^{¥¥¥¥¥¥¥¥¥¥} "02F"H
COM4
Address: "030"H
"031"H
"032"H ¥¥¥¥¥¥¥¥¥¥ "03F"H
COM5
COM6
Address: "040"H
Address: "050"H
"041"H
"051"H
"042"H
"052"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"04F"H
"05F"H
COM7
Address: "060"H
"061"H
"062"H ¥¥¥¥¥¥¥¥¥¥ "06F"H
COM8
Address: "070"H
"071"H
"072"H ¥¥¥¥¥¥¥¥¥¥ "07F"H
COM9
COM10
Address: "080"H
Address: "090"H
"081"H
"091"H
"082"H
"092"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"08F"H
"09F"H
COM11
COM12
COM13
Address: "0A0"H
Address: "0B0"H
Address: "0C0"H
"0A1"H
"0B1"H
"0C1"H
"0A2"H
"0B2"H
"0C2"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"0AF"H
"0BF"H
"0CF"H
COM14
COM15
Address: "0D0"H
Address: "0E0"H
"0D1"H
"0E1"H
"0D2"H
"0E2"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"0DF"H
"0EF"H
COM16
COM17
Address: "0F0"H
Address: "100"H
"0F1"H
"101"H
"0F2"H
"102"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"0FF"H
"10F"H
COM18
Address: "110"H
"111"H
"112"H ¥¥¥¥¥¥¥¥¥¥ "11F"H
COM19
Address: "120"H
"121"H
"122"H ¥¥¥¥¥¥¥¥¥¥ "12F"H
COM20
Â¥
Â¥
Â¥
COM125
COM126
COM127
COM128
Address: "130"H
Â¥
Â¥
Â¥
Address: "7C0"H
Address: "7D0"H
Address: "7E0"H
Address: "7F0"H
"131"H
Â¥
Â¥
Â¥
"7C1"H
"7D1"H
"7E1"H
"7F1"H
"132"H
Â¥
Â¥
Â¥
"7C2"H
"7D2"H
"7E2"H
"7F2"H
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
¥¥¥¥¥¥¥¥¥¥
"13F"H
Â¥
Â¥
Â¥
"7CF"H
"7DF"H
"7EF"H
"7FF"H
Table 5 Relationship between CGRAM Data and Display Contents
Upper Bit Lower Bit LCD
0
0
Non-selection display (unlit)
0
1
1/3- or 1/2-level grayscale display (selected by the GS bit)
1
0
2/3-level grayscale display
1
1
Selection display (lit)
Note: Upper bits: DB15, DB13, DB11, DB9, DB7, DB5, DB3, DB1
Lower bits: DB14, DB12, DB10, DB8, DB6, DB4, DB2, DB0
HITACHI
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