8

PD16312

(2) Data setting commands

These commands set data write and data read modes.

MSB

01

−−

b3

b2

b1

b0

Irrelevant

LSB

Data write and read mode settings

00

01

10

11

: Write data to display memory

: Write data to LED port

: Read key data

: Read SW data

Address increment mode settings (display memory)

0

1

: Increments address after data has been written

: Fixes address.

Test mode settings

0

1

: Normal operation

: Test mode

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

(3) Address setting commands

These commands set an address of the display memory.

MSB

11

−

b4

b3

b2

b1

b0

LSB

Address (00H - 15H)

If address 16H or higher is set, data is ignored, until a valid address is set.

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