NJU3426 NJR Corporation, NJU3426 Datasheet - Page 5

• Manufacturer Part Number: NJU3426
• Description: 16-SEGMENT × 14-Digit VFD Controller / Driver
• Manufacturer: NJR Corporation

(3) COMMAND REGISTER 2
Ver.2003-03-06
The “Command register 2” is used for setting the “Initial character address” , which corresponds to the T
upper 2 bits (B7 and B6) of the 1
in the “Command register 2”. The contents of the “Command register 2” is initially set up at power-ON reset or reset
signal, as shown below.
DEFAULT VALUES OF COMMAND REGISTER 2
Recognition data
Initial character address
DS3
B7
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
B6
DS2
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
B5
*
DS1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
st
*
word is “0,1”, the lower 4 bits (B3 to B0) are recognized as command data, and stored
B4
: C1 (0,0,0,1)
Initial character address
DS0
DS3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
B3
DS2
B2
*:don’t care
Initial character address
DS1
B1
Prohibited
DS0
B0
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
10
11
12
13
14
2
3
4
5
6
7
8
9
0
1
NJU3426
0
pin. When the
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