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S1C88650 TECHNICAL MANUAL EPSON 139
7 BASIC EXTERNAL WIRING DIAGRAM
7BASIC EXTERNAL WIRING DIAGRAM
Note: The above table is simply an example, and is not guaranteed to work.
∗1: OSC1 = Crystal oscillation
∗2: OSC1 = CR oscillation
∗3: OSC3 = Crystal or Ceramic oscillation
∗4: OSC3 = CR oscillation
K00–K02
K03 (BREQ)
K04–K07
R00–R07 (A0–A7)
R10–R17 (A8–A15)
R20–R23 (A16–A19)
R24 (RD)
R25 (WR)
R30–R32 (CE0–CE2)
R33 (BACK)
P00–P07 (D0–D7)
P10 (SIN)
P11 (SOUT)
P12 (SCLK)
P13 (SRDY)
P14 (TOUT0/TOUT1)
P15 (TOUT2/TOUT3)
P16 (FOUT)
P17 (TOUT2/TOUT3)
Symbol
X'tal1
CG1
RCR1
X'tal2
Ceramic
Rf
CG2
CD2
RCR3
Name
Crystal oscillator
Trimmer capacitor
Resistor for CR oscillation
Crystal oscillator
Ceramic oscillator
Feedback resistor
Gate capacitor
Drain capacitor
Resistor for CR oscillation
Recommended value
32.768 kHz, CI(Max.) = 35 kΩ
0–25 pF
1.5 MΩ
4 MHz
4 MHz
1 MΩ
15 pF (Crystal oscillation)
30 pF (Ceramic oscillation)
15 pF (Crystal oscillation)
30 pF (Ceramic oscillation)
40 kΩ
Recommended values for external parts
Symbol
C1
C2
C3
C4
C5
C6
C7–C9
C10
C11
CP
Cres
Name
Capacitor between VSS and VD1
Capacitor between VSS and VC1
Capacitor between VSS and VC2
Capacitor between VSS and VC3
Capacitor between VSS and VC4
Capacitor between VSS and VC5
Booster capacitors
Capacitor between VSS and VD2
Booster capacitor
Capacitor for power supply
Capacitor for RESET terminal
Recommended value
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
3.3 µF
0.47 µF
S1C88650
LCD panel 126 x 32
[The potential of the substrate
(back of the chip) is V
SS.]
VSS
OSC1
OSC2
OSC3
OSC4
VD1
VC1
VC2
VC3
VC4
VC5
CA
CB
CC
CD
CE
VD2
CF
CG
RESET
VDD
TEST
CG2
CG1
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
X'tal1
Rf
Cres
3 V
C
P
+
-
SEG0
SEG125
COM0
COM31
X'tal2 or
Ceramic
RCR3
RCR1
CD2
∗2 ∗1
∗3
∗4