Specifications

2–30 EPSON Rev. 1.4
S1D12200 Series
12201/12202) or 20 bit (S1D12210) and is capable of
displaying up to 5 icons (S1D12200/12201/12202) or 10
icons (S1D12210).
Following shows relationship between the static icons
functions, static icon RAM addresses and written data.
Electronic Volume RAM (register)
S1D12200 Series contains the electronic volume function
for controlling the liquid crystal drive voltage V5 and
density of liquid crystal display. The electronic volume
function enables to select one of 32 voltage status of the
liquid crystal drive voltage V5 by writting 5-bit data to
the electronic volume RAM.
Following shows relationship between RAM addresses
set by the electronic volume and written data.
Function
< SEGSF, G, H, I, J >
RAM address
Static icon data
D7 D0
S E G S F G H I J
Display
On/Off
22H
23H
Blink
On/Off
00111
***
1000
Display
1
***
*: Blank
1: Display or blink on
0: Display or blink off
f
BLINK
: 1–2 Hz
f BLINK
Function
< SEGSA, B, C, D, E >
RAM address
Static icon data
D7 D0
S E G S A B C D E
Display
On/Off
20H
21H
Blink
On/Off
00111
***
1000
Display
1
***
f BLINK
Function RAM address
Electronic volume data
Condi-
tion
V
EV
Electronic
volume data
28H
29H
V
REG
–0
V
REG
α
V
REG
–2α
V
REG
–29α
V
REG
–30α
V
REG
–31α
For testing
0
D7 D0
00000
***
110000
***
200000
***
2910111
***
3001111
***
3111111
***
*****
·· ··
·· ··
* : Blank
Note : Do not use the address “29H”. It is for testing
α = V
REG
/150
Static Icon Ram
S1D12200 Series contains the static icon RAM for
displaying the static icons in addition to the dynamic
icons.
Capacity of static icon RAM is 10 bits (S1D12200/