TB62709NG/FG

2005-10-06

7

Load Register Selection modes (Table 2)

These modes select the register to provide the data to control the IC operation. The Load Register selection

1. Duty Register

Duty settings can be made in 16 steps from 0 / 16 to 15 / 16.

(See Table 3)

2. Decode & Digit Register : Sets Decode / No Decode and the number of digits to drive. Decode can be set

the number of digits driven are set simultaneously.

3. Data registers 0 to 3

: Set the display data corresponding to DIG0 to DIG3 respectively.

Table 2 Load register selection

REGISTER DATA

HEX

CODE

LOAD DUTY REGISTER

2H

0

0

0

0

X

X

20XXH

LOAD DECODE & DIGIT REGISTER

2H

0

0

0

1

X

X

21XXH

LOAD DATA REGISTER 0

2H

0

0

1

0

X

X

22XXH

LOAD DATA REGISTER 1

2H

0

0

1

1

X

X

23XXH

LOAD DATA REGISTER 2

2H

0

1

0

0

X

X

24XXH

LOAD DATA REGISTER 3

2H

0

1

0

1

X

X

25XXH

X = Input H or L.