SSD1801AV ETC [List of Unclassifed Manufacturers], SSD1801AV Datasheet - Page 14

• Manufacturer Part Number: SSD1801AV
• Description: LCD Segment / Common Driver with Controller for Character Display System
• Manufacturer: ETC [List of Unclassifed Manufacturers]

13
SSD1801 Series
Figure 4 - Timing Diagram of 8-bit Parallel Bus Mode Data Transfer (6800 MPU Mode)
Figure 5 - Timing Diagram of 8-bit Parallel Bus Mode Data Transfer (8080 MPU Mode)
Figure 6 - Timing Diagram of 4-bit Parallel Bus Mode Data Transfer (6800 MPU Mode)
R/W (WR)
R/W (WR)
R/W (WR)
D7 ~ D0
C68/80
E(RD)
C68/80
E(RD)
C68/80
E(RD)
D7 ~ D0
D7 ~ D0
DL
CS
D/C
DL
CS
D/C
Rev 1.1
01/2003
DL
CS
D/C
Instruction
Upper
4-bits
Instruction
Write
Instruction
Write
Lower
4-bits
Write
NOP
NOP
NOP
Dummy
Read
Dummy
Read
Dummy
Read
Valid Data
Valid Data
RAM
Lower
4-bits
RAM
Read
RAM
Read
Read
Upper
4-bits
Data
Upper
4-bits
Data
Write
Data
Write
Write
Lower
4-bits
SOLOMON