SM8145A
FUNCTIONAL DESCRIPTION
DISPLAY MODES
Operation mode
Standby
EL1
EL2
EL1 + EL2
ENA input
ENA1
ENA2
L
L
H
L
L
H
H
H
OUTCOM
L
Active
Active
Active
OUTPUT status
OUT1
L
Active
Hi-Z
Active
Notes) The internal oscillator resistance is selected in response to the state of the ENA pins.
The oscillator resistance (ROCE1/2/3) adjust the luminance in each display mode, respectively.
OUT2
L
Hi-Z
Active
Active
Brightness adjust
ROCL
–
R OCL1
R OCL2
R OCL3
OUT1
OUTCOM
OUT2
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max 100V0-P
0V
max 100V0-P
0V
max 100V0-P
0V
EL 1
OFF(0V)
max 200VP-P
EL 2
ENA1 = LOW
ENA2 = LOW
OFF(0V)
ENA1 = HIGH
ENA2 = LOW
ENA1 = HIGH
ENA2 = HIGH
max 200VP-P
ENA1 = LOW
ENA2 = HIGH
NIPPON PRECISION CIRCUITS—5