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HD66760 Datasheet, PDF (39/105 Pages) Hitachi Semiconductor – 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors
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HD66760
Table 28 Instruction List (cont)
Upper Code
Lower Code
Reg. Register
DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB
No. Name R/W RS 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Description
Execu-
tion
Cycle
R21h RAM
0
address set
10
AD14–8 (upper)
0
0
AD5–0 (lower)
Initially set the RAM address to the 0
address counter (AC).
R22h Write data 0
1
to GRAM
Write Data (upper)
Write Data (lower)
Writes data to the RAM.
0
Read data 1
1
from GRAM
Read Data (upper)
R30h R-grayscale 0
10
0
0 0 RK RK RK RK 0
0
palette
13 12 11 10
control (1)
R31h R-grayscale 0
10
0
0 0 RK RK RK RK 0
0
palette
33 32 31 30
control (2)
R32h R-grayscale 0
10
0
0 0 RK RK RK RK 0
0
palette
53 52 51 50
control (3)
R33h R-grayscale 0
10
0
0 0 RK RK RK RK 0
0
palette
73 72 71 70
control (4)
R34h G-grayscale 0
10
0
0 0 GK GK GK GK 0
0
palette
13 12 11 10
control (1)
R35h G-grayscale 0
10
0
0 0 GK GK GK GK 0
0
palette
33 32 31 30
control (2)
R36h G-grayscale 0
10
0
0 0 GK GK GK GK 0
0
palette
53 52 51 50
control (3)
R37h G-grayscale 0
10
0
0 0 GK GK GK GK 0
0
palette
73 72 71 70
control (4)
R38h B-grayscale 0
10
0
0 0 BK BK BK BK 0
0
palette
13 12 11 10
control (1)
R39h B-grayscale 0
10
0
0 0 BK BK BK BK 0
0
palette
33 32 31 30
control (2)
R40h Test register 0
1
(1)
Test register (disabled)
R41h Test register 0
1
(2)
Test register (disabled)
R42h Test register 0
1
(3)
Test register (disabled)
R43h Test register 0
1
(4)
Test register (disabled)
R44h Test register 0
1
(5)
Test register (disabled)
Note: ‘*’ means ‘doesn’t matter’.
Read Data (lower)
Reads data from the RAM.
0
0
0 RK RK RK RK Specifies the R-grayscale palette. 0
03 02 01 00
0
0 RK RK RK RK Specifies the R-grayscale palette. 0
23 22 21 20
0
0 RK RK RK RK Specifies the R-grayscale palette. 0
43 42 41 40
0
0 RK RK RK RK Specifies the R-grayscale palette. 0
63 62 61 60
0
0 GK GK GK GK Specifies the G-grayscale palette. 0
03 02 01 00
0
0 GK GK GK GK Specifies the G-grayscale palette. 0
23 22 21 20
0
0 GK GK GK GK Specifies the G-grayscale palette. 0
43 42 41 40
0
0 GK GK GK GK Specifies the G-grayscale palette. 0
63 62 61 60
0
0 BK BK BK BK Specifies the B-grayscale palette. 0
03 02 01 00
0
0 BK BK BK BK Specifies the B-grayscale palette. 0
23 22 21 20
Disables the use or setting of this 0
register since this is the test register.
Disables the use or setting of this 0
register since this is the test register.
Disables the use or setting of this 0
register since this is the test register.
Disables the use or setting of this 0
register since this is the test register.
Disables the use or setting of this 0
register since this is the test register.
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