Specifications

2–22 EPSON
SED1200 Series
CPU Interface
• 4-bits CPU with internal I/O port
A0
RD
WR
CS
DB0
DB1
DB2
DB3
φ
Output port
Output port
Output port
Output port
Output port
Output port
Output port
Input/output port
Clock
SED1200
4-bit or 8-bit CPU
(Built in I/O port type)
• 8-bit CPU with external I/O port
Output port
Output port
Output port
Output port
Output port
Output port
Output port
Input/output port
Clock
SED1200
8-bit CPU
Peripheral interface
A0
RD
WR
CS
DB0
DB1
DB2
DB3
φ