STM86312

Commands

15/24

8.2

Data setting command

This command sets data write and data read modes.

On power application, the normal operation mode and address increment mode are set.

Do not use STM86312 in test mode.

8.3

Address setting command

This command sets an address of the display memory

If address 16H or higher is set, the data are ignored, until a correct address is set.

On power application, the address is set to 00H.

Figure 7.

Data setting command

MSB

LSB

01

-

-

0

b2

b1

b0

Data write and read mode setting

00 : Write data to display memory

01 : Write data to LED port

10 : Read key data

11 : Read SW data

ADDRESS INCREMENT MODE

SETTING (DISPLAY MEMORY)

0= Increments address after data has

been written

1= Fixed address

Don’t Care

Figure 8.

Address setting command

MSB

LSB

1

1

-

b4b3

b2b1

b0

Address (00H-15H)

Don’t Care