Specifications

3–38 EPSON Rev. 1.1
S1D12205 Series
16. OPTION LIST
The S1D 12205 Series has the following options. Options
are available exclusively for users. Please contact our
Sales Department for information.
• The following shows how to define the name of the
product compatible with options:
Example: S1D12205D
**
B
*
↑
Option code
Specification of character generator ROM
(CGROM)
The S1D12205 Series incorporates a characters generator
ROM consisting of up to 256 types of characters, with
each character size featuring 5 × 7 (8) dots. The S1D12205
Series CGROM is designed as a masked ROM, and is
compatible with the CGROM for exclusive use of the
user. For the standard CGROM, see the Character Font
Table.
Specifications of external clock
The S1D12205 Series has an external clock terminal
which is provided with two types of functions;
fOSC and
4 ×
fOSC. Either fOSC or 4 × fOSC can be selected
according to the user’s requirements.
Built-in oscillation External clock External clock
fOSC fOSC 4 × fOSC
Standard ●● ●● ×
Optional ●● × ●●
The standard external clock specifications are set on the
fOSC.