UPD16311 NEC, UPD16311 Datasheet - Page 5

• Manufacturer Part Number: UPD16311
• Description: 1/8- to 1/16-DUTY FIPTM VFD CONTROLLER/DRIVER
• Manufacturer: NEC

Display RAM Address and Display Mode
and is assigned addresses as follows, in units of 8 bits:
ignored.
The display RAM stores the data transmitted from an external device to the
Only the lower 4 bits of the addresses assigned to Seg
Seg
b
0
Lower 4 bits
1
XX H
0 CH
1 BH
1 EH
2 AH
2 DH
00 H
03 H
06 H
09 H
0 FH
12 H
15 H
18 H
21 H
24 H
27 H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Seg
b
3
4
b
4
Higher 4 bits
0 CH
2 DH
XX H
00 H
03 H
06 H
09 H
0 FH
12 H
15 H
18 H
1 BH
1 EH
21 H
24 H
27 H
2 AH
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
Seg
b
7
8
0 AH
0 DH
1 CH
2 BH
2 EH
01 H
04 H
07 H
10 H
13 H
16 H
19 H
1 FH
22 H
25 H
28 H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Seg
12
17
through Seg
0 DH
1 CH
01 H
04 H
07 H
0 AH
10 H
13 H
16 H
19 H
1 FH
22 H
25 H
28 H
2 BH
2 EH
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
Seg
16
20


PD16311 through the serial interface,
are valid, and the higher 4 bits are
0 BH
0 EH
1 AH
1 DH
2 CH
02 H
05 H
08 H
11 H
14 H
17 H
20 H
23 H
26 H
29 H
2 FH
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Seg
20
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG1
DIG
DIG
DIG
DIG
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
2
PD16311
5