M35080FP datasheet(5/28 Pages) RENESAS

5 / 28 page

MITSUBISHI MICROCOMPUTERS

M35080FP

SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MEMORY CONSTITUTION

Address 000016 to 000716 are assigned to the display RAM, ad-

dress 100016 to 3AFF16 are assigned to bitmap RAM. The internal

circuit is reset and all display control registers (address 000016 to

000716) are set to "0" when the AC pin level is "L". And then, bit

map RAM is not erased and be undefinited. This memory has 2-

page composition (an address is Page A and page B community)

Fig.1 Memory constitution (Display Control register)

DAF

DAE

DAD

DAC

DAB

DAA

DA9

DA8

DA7

DA6

DA5

DA4

DA3

DA2

DA1

DA0

–

––––

–

PAGEONB PAGEONA

–

––––

YM2

YM1

YM0 BLANK1 BLANK0 ALLON DSPON

–

WIDTH2 WIDTH1 WIDTH0

–

VSIZE1 VSIZE0

––

–

VP9

VP8

VP7

VP6

VP5

VP4

VP3

VP2

VP1

VP0

–

––––

–

HP9

HP8

HP7

HP6

HP5

HP4

HP3

HP2

HP1

HP0

–

ANADIG2 ANADIG1 ANADIG0 SYNCCK

TEST

–––

––

POLV POLH MODE2 MODE1 MODE0

–

––––

–––

–

DACON

–––

––––

–––

–

––––

–––

SBLANK3 SBLANK2 SBLANK1 SBLANK0

PTD3

PTD2

PTD1

PTD0

000016

000116

000216

000316

000416

000516

000616

000716

Address

of the memory for page A, and the memory for page B. Registers

PAGEONA and PAGEONB perform page control at the time of

writing in data. For detail, refer to "DATA INPUT EXAMPLE".

Memory constitution is shown in Figure 1 to 10.

Note : Address 000016 and 000416 to 000716 are Page A and B common registers. The writing of data is made regardless of registers PAGEONA and

PAGEONB. As for addresses 000116 to 000316, register of Page A and Page B exists for every page (common to an address.)

When write data in the memory for page A, and write data in the memory for page B, set it as register PAGEONA = “1” at register PAGEONB = “1.”

When both of PAGEONA and PAGEONB are set to “1”, data can be simultaneously written in both the memory for page A, and the memory for page B.

Address 0XXX16 other than addresses 000016 to 000716 are write-protected.

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