ssd1908 Solomon Systech Limited:, ssd1908 Datasheet - Page 26

• Manufacturer Part Number: ssd1908
• Description: Lcd Drivers,lcd Controllers
• Manufacturer: Solomon Systech Limited:

5.9
There are two data bus architectures, little endian and big endian. Little endian means the bytes at lower
addresses have lower significance. Big endian means the most significant byte has the lowest address.
N : Byte Address
Solomon Systech
MCU Mode (Endian)
Generic#1 (Big)
Generic#1 (Little)
Generic#2 (Big)
Generic#2 (Little)
MC68K#1 (Big)
MC68K#1 (Little)
Data Bus Organization
Big endian
Little endian
A0
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
0
0
1
0
1
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
1
Table 5-9 : Data Bus Organization
Table 5-10 : Pin State Summary
RD/WR#
D[15:8]
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
1
1
0
0
1
1
1
1
1
1
1
0
0
0
1
1
1
0
0
0
2N + 1
2N
RD#
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
1
1
0
1
0
1
1
1
0
0
0
1
1
1
0
0
0
1
1
1
Oct 2003
WE1#
1
1
1
0
0
1
1
1
1
0
0
1
0
1
0
0
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
1
0
0
1
0
P 16/16
WE0#
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
0
1
0
1
1
1
0
1
0
1
1
1
0
0
0
1
1
1
0
0
0
2N + 1
D[7:0]
Rev 1.0
2N
Operation
Word read
High byte read 2N
Low byte read 2N+1
Word write
High byte write 2N
Low byte write 2N+1
Word read
High byte read 2N+1
Low byte read 2N
Word write
High byte write 2N+1
Low byte write 2N
Word read
High byte read 2N
Low byte read 2N+1
Word write
High byte write 2N
Low byte write 2N+1
Word read
High byte read 2N+1
Low byte read 2N
Word write
High byte write 2N+1
Low byte write 2N
Word read
High byte read 2N
Low byte read 2N+1
Word write
High byte write 2N
Low byte write 2N+1
Word read
High byte read 2N+1
Low byte read 2N
Word write
High byte write 2N+1
Low byte write 2N
SSD1908