tb62709ng Marktech Optoelectronics, tb62709ng Datasheet - Page 9

• Manufacturer Part Number: tb62709ng
• Description: 7?segment Drivers With Built?in Decoders
• Manufacturer: Marktech Optoelectronics

DIGIT SETTINGS
DECODE SETTINGS
ACTIVATED DIG−−0 ONLY
ACTIVATED DIG−−0~1
ACTIVATED DIG−−0~2
ACTIVATED DIG−−0~3
PASS DECODER (NO DECODE)
DECODE
The settings for Decode are the same as the settings for the number of digits, described under setting, above.
Writing 21H to D
When using this IC for controlling the lighting on individual LEDs used for a dot matrix rather than a
7−segment display, set to No Decode.
As Table 6 shows, D
The initial setting is Decode mode, and Decode mode will also be set by a Data Clear.
The current settings continue until changed (by reset execution, or to the initial state, Data Clear state, or
standby state).
Since D
D
of four the display. The initial setting is four digits, and four will also be set by a Data Clear.
The current settings continue until changed (by reset execution, or to the initial state, Data Clear state, or
standby state).
When changing the number of digits, also set D
X = Input H or L.
X = Input H or L.
Setting the number of digits (Table 4)
Writing 21H to D
Decode settings (Table 5)
0
.
3
to D
0
are also used for setting the number of digits, when changing the Decode setting, also set D
15
15
~D
~D
0
in the data register is used to turn OUT−a ON and OFF ; D
8
8
and writing 0~1H to D
and at the same step writing 0H~3H to D
D
15
21H
21H
21H
21H
~D
D
8
15
21H
21H
~D
8
D
Table 5 Decode settings
7
~D
X
X
X
X
Table 4 Digit settings
4
D
0
0
7
7
7
~D
D
to D
0
0
0
0
3
4
D
set Decode mode.
0
0
6
4
9
.
REGISTER DATA
REGISTER DATA
D
0
0
0
0
2
D
0
0
5
3
~D
0
D
0
0
1
1
sets the number of digits to a maximum
1
D
0
1
4
D
1
D
3
0
1
0
1
X
X
~D
0
turns OUT−b ON and OFF.
0
TB62709NG/FG
HEX CODE
HEX CODE
21X0H
21X1H
21X2H
21X3H
210XH
211XH
2005-10-06
SETTING
SETTING
INITIAL
INITIAL
■
■
3
to