Specifications

S1D12300
Series
Rev. 1.9 EPSON 4–31
S1D12300 Series
Symbol Register
The S1D12300 Series is provided with a symbol register that permits displaying each symbol so that symbol display may
be performed on the screen.
The capacity of the symbol register is 64 bits. In case of 12 digits, 48 symbols can be displayed. In case of 16 digits, 64
symbols can be displayed.
The relationship among symbol register display patterns, RAM addresses and write data is shown below.
(1) S1D12300, S1D12301, S1D12302
Symbol Bits
RAM address
D7 D0
0
***
27 1 28 2
*
70H to 7CH 1
***
29 3 30 4
*
::
B
***
49 23 50 24
*
C
***
51 25 52 26
*
Bit
1: Display
0: Not display
51
25
SEGS3
27 28
12
1
SEG2 SEG4
COMS2
COMS3
Symbol
49 50
23 24
B
SEG57 SEG59
52
26
SEGS5