PT6302_10 Datasheet, PDF (9/27 Pages) Princeton Technology Corp – VFD Driver/Controller IC with Character RAM

PT6302
LSB
MSB
2nd Byte ^{B0 B1 B2 B3 B4 B5 B6 B7} Character Code of CGRAM & CGROM are specified and
(4th)
C0 C1 C2 C3 C4 C5 C6 C7 ^{written into the DCRAM Address 2H.}
:
:
LSB
MSB
2nd Byte
(17th)
B0 B1 B2
C0 C1 C2
B3 B4 B5 B6 B7 _{Character Code of CGRAM & CGROM are specified and}
C3 C4 C5 C6 C7 ^{written into the DCRAM Address FH.}
LSB
MSB
2nd Byte _{B0 B1 B2 B3 B4 B5 B6 B7} Character Code of CGRAM & CGROM are specified and
(18th)
C0 C1 C2 C3 C4 C5 C6 C7 ^{rewritten into the DCRAM Address 0 H.}
where:
1. X0 (LSB) to X3 (MSB): DCRAM Address Bits (16 Characters)
2. C0 (LSB) to C7 (MSB): CGROM & CGRAM Character Code Bits (256 Characters)
Please refer to the table below for the GRID position and DCRAM Address setting relationship.
Hex X0 X1 X2 X3
0
0
0
0
0
1
1
0
0
0
2
0
1
0
0
3
1
1
0
0
4
0
0
1
0
5
1
0
1
0
6
0
1
1
0
7
1
1
1
0
8
0
0
0
1
9
1
0
0
1
A
0
1
0
1
B
1
1
0
1
C
0
0
1
1
D
1
0
1
1
E
0
1
1
1
F
1
1
1
1
GRID Position
GR1
GR2
GR3
GR4
GR5
GR6
GR7
GR8
GR9
GR10
GR11
GR12
GR13
GR14
GR15
GR16
V2.1
9
August 2010