tb62709ng Marktech Optoelectronics, tb62709ng Datasheet - Page 7

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

mode is determined by the settings of D
1. Duty Register
2. Decode & Digit Register : Sets Decode / No Decode and the number of digits to drive. Decode can be set
3. Data registers 0 to 3
LOAD DUTY REGISTER
LOAD DECODE & DIGIT REGISTER
LOAD DATA REGISTER 0
LOAD DATA REGISTER 1
LOAD DATA REGISTER 2
LOAD DATA REGISTER 3
X = Input H or L.
Load Register Selection modes (Table 2)
These modes select the register to provide the data to control the IC operation. The Load Register selection
: The data in D
: Set the display data corresponding to DIG0 to DIG3 respectively.
Duty settings can be made in 16 steps from 0 / 16 to 15 / 16.
(See Table 3)
using D
D
The number of digits driven can be set using D
the number of digits driven are set simultaneously.
7
Table 2 Load register selection
to D
D
15
0
7
2H
2H
2H
2H
2H
2H
of the shift register are used to set the display data.
~D
to D
15
12
to D
4
7
.
to D
12
D
and D
0
0
0
0
0
0
0
11
of this register set the digit output duty cycle.
7
11
to D
D
0
0
0
0
1
1
10
8
of the shift register.
REGISTER DATA
D
0
0
1
1
0
0
9
3
D
0
1
0
1
0
1
to D
8
0
. Decode / No Decode and
D
7
X
X
X
X
X
X
~D
TB62709NG/FG
4
D
3
~D
X
X
X
X
X
X
2005-10-06
0
20XXH
21XXH
22XXH
23XXH
24XXH
25XXH
CODE
HEX