Specifications

Table Of Contents
I-120 EPSON S1C62740 TECHNICAL HARDWARE
CHAPTER 6: DIAGRAM OF BASIC EXTERNAL CONNECTIONS
X'tal Crystal oscillator 32.768 kHz, CI (Max.) = 35 k
C
GX Trimmer capacitor 5-25 pF
CR Ceramic oscillator 1 MHz
C
GC Gate capacitance 100 pF
C
DC Drain capacitance 100 pF
R
CR Resistance for CR oscillation 39 k (fOSC3 900 kHz)
R
A1 Resistance for LCD drive voltage adjustment 1 M (VC1 1.5 V)
R
A2 Resistance for LCD drive voltage adjustment 2 M (VC1 1.5 V)
TH Thermistor 10 k (5 k to 20 k)
R
REF Reference resistance for resistance measurement 10 k
R
I Integral resistance 680 k (6400), 330 k (3200), 180 k (1600),
82 k (800) ...(resolution)
C
I Integral capacitor 0.1 µF
C
AZ Capacitor for auto zero adjustment 0.1 µF
C
IF Analog input filter capacitor 0.01 µF
C1–C9 0.1 µF
C
P1, CP2 3.3 µF
Note: The above table is simply an example, and is not guaranteed to work.
R1 Protection resistance 100
R2 Protection resistance 100
When the piezoelectric buzzer is driven directly
Piezo
R1 R2
R03
S1C62740
(BZ)
R02
(BZ)