ST7632 datasheet(19/96 Pages) SITRONIX

19 / 96 page

ST7632

Ver 1.7

19/96

2006/08/15

Use the command for switching between these modes.

(1) 256-color display out of 4096 colors

Using RGBSET8 command enables you to set color for each of R, G and B by turning on palette function prepared to

convert 3-bit or 2-bit data to 4-bit data.

1. 8-bit mode

D7, D6, D5, D4, D3, D2, D1, D0 : RRRGGGBB (8 bits) data is converted to RRRRGGGGBBBB (12 bits) and then

stored on the display RAM.

(2) 4096-color display

1. 8-bit mode

D7, D6, D5, D4, D3, D2, D1, D0: XXXXRRRR

1st write

D7, D6, D5, D4, D3, D2, D1, D0: GGGGBBBB

2nd write

A single pixel of data is read after the second write operation as shown, and it is written in the display RAM.

2. 16-bit mode

D15, D14, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0: XXXXRRRRGGGGBBBB

A single pixel of data is read and written in the display RAM in a single write operation.

“XXXX” are dummy bits, and they are ignored for display.

(3) 65K color display

1. 8-bit mode

D7, D6, D5, D4, D3, D2, D1, D0: RRRRRGGG

1st write

D7, D6, D5, D4, D3, D2, D1, D0: GGGBBBBB

2nd write

A single pixel of data is read after the second write operation as shown, and it is written in the display RAM.

2. 16-bit mode

D15, D14, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0: RRRRRGGGGGGBBBBB (16 bits)

Data is acquired through signal write operation and then written to the display RAM.

(4) 262K color display

1. 8-bit mode

D7, D6, D5, D4, D3, D2, D1, D0: RRRRRRXX

1st write

D7, D6, D5, D4, D3, D2, D1, D0: GGGGGGXX

2nd write

D7, D6, D5, D4, D3, D2, D1, D0: BBBBBBXX

3rd write

A single pixel of data is read after the third write operation as shown, and it is written in the display RAM.

2. 16 bit mode

D15, D14, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0: RRRRRRXXGGGGGGXX

D15, D14, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0: BBBBBBXXXXXXXXXXXX

A single pixel of data is read after the second write operation as shown, and it is written in the display RAM.

“XXXX” are dummy bits, and they are ignored for display.

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