HD66710 Datasheet, PDF (41/73 Pages) Hitachi Semiconductor – (Dot Matrix Liquid Crystal Display Controller/Driver)

HD66710
Interfacing the HD66710
1) Interface to 8-Bit MPUs
HD66710 can interface to 8-bit MPU directly with E clock, or to 8-bit MCU through I/O port. When
number of I/O port in MCU, or interfacing bus width, 4-bit interface function is useful.
RS
R/W
E
Internal
signal
DB7
Data
Instruction
write
Internal operation
Busy
Busy
Not
Busy
Data
Busy flag check
Busy flag check
Busy flag check
Instruction
write
Figure 16 Example of 8-Bit Data Transfer Timing Sequence
Connection to H8/325 with port (when single chip mode)
C0
H8/325
C1
C2
8
A0–A7
E
RS
HD66710
R/W
DB0–DB7
Figure 17 8-Bit MPU Interface
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