¡ Semiconductor
MSM6255
Font configuration of Hp = 7 and Vp = 8
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
Cpu = 8, Cpd = 8
Cpu = 7, Cpd = 8
Cpu = 2, Cpd = 6
Notes: (1) Setting of Cpu, Cpd > Vp is not available.
(2) The cursor signal and pattern data are displayed subject to EX-OR.
– Start address (lower) register
Register
A0 D7 D6 D5 D4 D3 D2 D1 D0
Instruction register
H
L
L
L
L
L
H
L
H
Display start address register (lower byte) L
Start address (lower)
– Start address (upper) register
Register
A0 D7 D6 D5 D4 D3 D2 D1 D0
Instruction register
H
L
L
L
L
L
H
H
L
Display start address register (upper byte) L
Start address (upper)
The display start address shows an address of the RAM which stores data displayed at the left
end and the most upper position. The start address is composed of upper and lower 8 bits (16
bits in total).
– Cursor address (lower) register
Register
Instruction register
Cursor address register (lower byte)
A0 D7 D6 D5 D4 D3 D2 D1 D0
H
L
L
L
L
L
H
H
H
L
Cursor address (lower)
– Cursor address (upper) register
Register
Instruction register
Cursor address register (upper byte)
A0 D7 D6 D5 D4 D3 D2 D1 D0
H
L
L
L
L
H
L
L
L
L
Cursor address (upper)
By this instruction, the value of the cursor address is written in the cursor address register. The
cursor is displayed at the position specified by the cursor address register.
14/39