8

PD16311

(2) Data setting command

This command sets data write and data read modes.

MSB

01

−−

b3

b2

b1

b0

Don't care

LSB

Sets data write and read modes.

00

01

10

11

: Writes data to display memory.

: Writes data to LED port.

: Reads key data.

: Reads SW data.

Sets address increment mode (display memory).

0

1

: Increments address after data has been written.

: Fixes address.

Sets test mode

0

1

: Normal operation

: Test mode

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

(3) Address setting command

This command sets an address of the display memory.

MSB

1

1

b5

b4

b3

b2

b1

b0

LSB

Address (00H - 2FH)

If address 30H or higher is set, the data is ignored, until a correct address is set.

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