Renesas F-ZTAT H8 Series Hardware Manual page 360

13. Dot Matrix LCD Controller (H8/3857 Group)
Bit 3—Read-Modify-Write Setting (RMW): Bit 3 selects whether display memory X or Y
address incrementing is carried out after a write/read access, or only after a write access (read-
modify-write mode).
Bit 3: RMW Description
0 Address is incremented after write/read access to display memory
1 Read-modify-write mode is set
In this mode, address is incremented only after write access to display memory
Bit 2—Reserved Bit: Bit 2 is reserved; it should always be cleared to 0.
Bit 1—Increment Address Select (INC): Bit 1 selects either the X address or the Y address as
the address to be incremented after the display memory access specified by the RMW bit. The
selected address is cleared after a display memory access with the maximum value for the valid
display data area; in this case the other address is incremented.
Bit 1: INC Description
0 Incrementing of display memory Y address has priority; X address is incremented
after Y address overflow
1 Incrementing of display memory X address has priority; Y address is incremented
after X address overflow
Bit 0—Blink Operation Setting (BLK): Bit 0 enables or disables the blink function. If BLK is
set to 1 while the DISP bit is set to 1 and LCD display is operating, the blink function is enabled
and blinking operates in the range set by BK7 to BK0 in LR6, BSL4 to BSL0 in LR8, and BEL4
to BEL0 in LR9.
Bit 0: BLK Description
0 Blinking is disabled
1 Blinking is enabled
Rev.3.00 Jul. 19, 2007 page 334 of 532
REJ09B0397-0300
(initial value)
(initial value)
(initial value)