Datasheet

Datasheet

11/23

TSZ02201-0P4P0D300500-1-2

26.Feb.2014 Rev.002

www.rohm.com

© 2013 ROHM Co., Ltd. All rights reserved.

TSZ22111･15･001

BU97941FV-LB

MAX 104 segments (SEG26×COM4)

3.

Address set command (ADSET)

MSB

LSB

MSB

D/C

D6

D5

D4

D3

D2

D1

D0

Hex

Reset

1st byte Command

1

0

0

0

0

0

1

1

83h

-

2nd byte Command

0

0

0

P4

P3

P2

P1

P0

-

00h

Sets the starting RAM address for normal display.

Address can be set from 00h to 1Bh.

Setting is prohibited for addresses not written above.

Address during Reset is 00h.

When writing to RAM, a separate RAM WRITE setting is needed.

4.

LED control command (LEDCTL)

MSB

LSB

MSB

D/C

D6

D5

D4

D3

D2

D1

D0

Hex

Reset

1st byte Command

1

0

0

0

0

1

0

1

85h

-

2nd byte Command

0

0

0

0

P3

P2

P1

P0

-

00h

Sets the driver of the LED port. Setting during Reset is 00h.

The relationship between each parameter and the Drive board is as follows:

LED1

P0

LED2

P1

LED3

P2

LED4

P3

LED ON

1

1

1

1

LED OFF

0

0

0

0

(Note) Please input CSB="H" after LEDCTL command is issued.

To avoid noise and reset interface.

5.

RAM WRITE command (RAMWR)

MSB

LSB

D/C

D6

D5

D4

D3

D2

D1

D0

Hex

Reset

1st byte Command

1

0

1

0

0

0

0

0

A0h

-

2nd byte Command

Display data

Random

・・・・

n

Display data

Random

The input data after command setting is the data input for display.

Be sure to send this command after setting the ADSET command.

The display data is transferred per 4bit. (For details, see “Write and Transfer Method of Display Data.”)

6. All Pixel ON command (APON)

MSB

LSB

D/C

D6

D5

D4

D3

D2

D1

D0

Hex

Reset

1st byte Command

1

0

0

1

0

0

0

1

91h

-

Regardless of the contents of DDRAM, the SEG output will enter all light up mode. (Pin that selects SEG output)