hd66710 Renesas Electronics Corporation., hd66710 Datasheet - Page 47

• Manufacturer Part Number: hd66710
• Description: Dot Matrix Liquid Crystal Display Controller/driver
• Manufacturer: Renesas Electronics Corporation.

When using one HD66710, the start address of COM9–COM16/COM25–COM33 is calculated by adding
8 to the start address of COM9–COM16 COM25–COM32. When extending the address, the start address
is calculated by adding A(10) to COM9–COM16/COM25 to COM32. The relationship betweenmodes
and display start addresses is shown below.
Table 13
Output
COM1–COM8
COM9–COM16
COM17–COM24
COM25–COM32
COM17
COM33
Notes: 1. When an EXT pin is low, the extension driver is not used; otherwise, the extension driver is
2. D— is the start address of display data RAM (DDRAM) for each display line.
3. S— is the start address of segment RAM (SEGRAM).
4. ±1 following D— indicates increment or decrement at display shift.
used.
Display Start Address in Each Mode
EXT Low
D00±1
D08±1
—
—
S00
—
1-Line Mode
EXT High
D00±1
D0A±1
—
—
S00
—
Number of Lines
EXT Low
D00±1
D08±1
D40±1
D48±1
—
S00
2-Line Mode
EXT High
D00±1
D0A±1
D40±1
D4A±1
—
S00
4-Line Mode
EXT Low/High
D00±1
D20±1
D40±1
D60±1
—
S00
HD66710
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