HM17CM256 HYNIX [Hynix Semiconductor], HM17CM256 Datasheet - Page 76

• Manufacturer Part Number: HM17CM256
• Description: 128XRGBX82 OUTPUT LCD DRIVER IC with built-in RAM
• Manufacturer: HYNIX [Hynix Semiconductor]

HM17CM256
(35) Relation between each setting and COM / display RAM
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command, common display start position command and display start line setting command.
The COM port number corresponds to Y address of display RAM by SHIFT command, LCD duty
When display start address was set to “0”.
When display start line was set except for “0”
display RAM address, MY is changed by 15 line unit.
display RAM address ( MY ) is changed by 15 line unit.
“1”, common line shift to downward direction.
“0”, the “MY” corresponds to starting position is “0”.
goes on.
“1”, common line shift to downward direction.
except for “0”, the “MY” corresponds to starting position is shift by the amount of set value.
The MY shift upward direction as display goes on but MY is set to “0” after MY=79.
According to LCD duty and display start common line address, the port of COM line and
In any case, COMI
According to LCD duty and display start common line address, the port of COM line and
When SHIFT register is set to “0” common line shift to upward direction, and when the value is
In any case, COMI
When SHIFT register is set to “0” common line shift to upward direction, and when the value is
0
0
=MY80, COMI
=MY80, COMI
1
1
=MY81 .
=MY81 .
When display start address (LA
When display start address (LA
The MY shift upward direction as display
6
6
~LA
~LA
0
0
) is set to
) is set to