tb62709ng Marktech Optoelectronics, tb62709ng Datasheet - Page 8

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

DUTY CONTROL REGISTER SETTINGS
Writing 20H to D
digit−side source driver output. The duty cycle can be set in 16 steps.
The initial setting is 15 / 16. After Data Clear, the setting is also 15 / 16.
The current settings continue until changed (by reset execution, or to the initial state, Data Clear state, or
standby state).
X = Input H or L. "−" = Are not affected by the truth table.
Duty Control Register detail settings and operation (Table 3)
DUTY CYCLE
10 / 16
11 / 16
12 / 16
13 / 16
14 / 16
15 / 16
0 / 16
1 / 16
2 / 16
3 / 16
4 / 16
5 / 16
6 / 16
7 / 16
8 / 16
9 / 16
15
~D
8
and writing 0~FH to D
D
15
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
~D
Table 3 Duty control register settings
8
D
7
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
~D
4
3
~D
REGISTER DATA
D
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
3
sets the duty cycle shown in the following table for the
8
D
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
D
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
D
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
HEX CODE
20XCH
20XDH
20X0H
20X1H
20X2H
20X3H
20X4H
20X5H
20X6H
20X7H
20X8H
20X9H
20XAH
20XBH
20XEH
20XFH
TB62709NG/FG
INITIAL SETTING
2005-10-06
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