tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 178

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

b.
(4) Writing character code or character ornamentation data
(5) To continue executing read-modify-write operations, repeat steps (1) to (4). To
(1) Set MFYWR to 1, MBK to 1 and RDWRV to 1
(2) Write the most significant address bit of the display memory to DMA8. Go on
(3) Read character ornamentation data SLNT, EUL, BLF, IDT, RDT, GDT, and
(4) Read the most significant bit of character code to CRA8. Read the 8 low-order
(5) Set RDWRV to “0”.
(6) Write character ornamentation data to SLNT, EUL, BLF, IDT, RDT, GDT, and
(7) Write the most significant bit of character code to CRA8. Go on and write the 8
(8) To continue executing read-modify-write operations, repeat steps (1) to (7). (To
•
•
•
•
Reading/writing both character code and character ornamentation data in
read-modify-write mode
BDT. DMA8 to DMA0 are not incremented.
the 8 low-order bits of character code to CRA7 to CRA0. At this point in time,
the 9 bits of character code written are transferred to the display memory, and
DMA8 to DMA0 are automatically incremented.
and BDT. At this point in time, the character ornamentation data written are
transferred to the display memory, and DMA8 to DMA0 are automatically
incremented.
read/write data (Character code or character ornamentation data). To
continue executing read-modify-write mode from continuous addresses,
repeat steps (3) and (4).
and write the 8 low-order address bits of the display memory to DMA7 to
DMA0.
BDT. At this point in time, DMA8 to DMA0 are not incremented.
bits of character code to CRA7 to CRA0. At this point in time, DMA8 to DMA0
are not incremented.
BDT. At this point in time, the character ornamentation data written is
transferred to the display memory.
low-order bits of character code to CRA7 to CRA0. At this point in time, the 9
bits of character code written and the character ornamentation data written
in step (6) are transferred to the display memory, and DMA8 to DMA0 are
automatically incremented.
read/write data to and from continuous addresses in read-modify-write mode,
repeat steps (3) to (7).)
Reading character ornamentation data
Set RDWRV to “0”.
Writing character code
Writing character ornamentation data
Read character ornamentation data SLNT, EUL, BLF, IDT, RDT, GDT, and
Write the most significant bit of character code to CRA8. Go on and write
Write character ornamentation data to SLNT, EUL, BLF, IDT, RDT, GDT,
88CS38-178
TMP88CS38/CM38A/CP38A
2007-09-12