ST7586S datasheet(33/63 Pages) SITRONIX

33 / 63 page

ST7586S

Ver-1.1a

33/63

2009/11/30

Set Column Address

This instruction is used to define area of DDRAM where MCU can access. The column address is automatically increased by

one (+1) after each DDRAM access. After the ending column address XE[15..0], column address returns to starting column

address XS[15..0]. The XS[15..0] setting that must be equal to or less than XE[15..0]. When XS[15..0] or XE[15..0] is great

than 7Fh, out of DDRAM range will be ignored.

Set Row Address

This instruction is used to define area of DDRAM where MCU can access. The row address is automatically increased by

one (+1) after column address counter is over XE[15..0]. The row address will return to starting row address YS[15..0]

immediately when the row address increases one over the ending row address YE[15..0]. The YS[15..0] setting must be

equal

to or less than YE[15..0]. When YS[15..0] or YE[15..0] is great than 9Fh, out of DDRAM range will be ignored.

Write Display Data

This instruction is used to transfer data from MCU to DDRAM without changing status of ST7586S. The column address and

row address will be reset to starting column address (XS) and starting row address (YS) when this instruction is accepted.

The pre-instruction is defined to enter write DDRAM mode. The following continuously data means content of DDRAM

without pre-instruction. Write Display Data would be stopped when any other instruction is accepted.

Read Display Data

The instruction is used to transfer data from DDRAM to MCU without changing status of ST7586S. The column address and

row address will be reset to staring column address (XS) and starting row address (YS) when this instruction is accepted.

The pre-instruction is defined to enter read DDRAM mode. The following continuously data means content of DDRAM

without pre-instruction. Read Display Data would be stopped when any other instruction is accepted. Read Display Data is

only available via the parallel interface.

R/W

Description

XS15

XS14

XS13

XS12

XS11

XS10

XS9

XS8

XS7

XS6

XS5

XS4

XS3

XS2

XS1

XS0

XE15

XE14

XE13

XE12

XE11

XE10

XE9

XE8

XE7

XE6

XE5

XE4

XE3

XE2

XE1

XE0

XS: Starting column address

XE: Ending column address

R/W

Description

YS15

YS14

YS13

YS12

YS11

YS10

YS9

YS8

YS7

YS6

YS5

YS4

YS3

YS2

YS1

YS0

YE15

YE14

YE13

YE12

YE11

YE10

YE9

YE8

YE7

YE6

YE5

YE4

YE3

YE2

YE1

YE0

YS: Starting row address

YE: Ending row address

R/W

Description

Write display data to DDRAM

R/W

Description

Read display data from DDRAM

ST7586S Datasheet(PDF) 33 Page - Sitronix Technology Co., Ltd.

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