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23 BASIC EXTERNAL CONNECTION DIAGRAM
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
23-3
(Rev. 2.00)
Sample external components
Symbol
Name
Recommended components
X'tal1
32 kHz crystal resonator
C-002RX (R
1
= 50 k
W
(Max.), C
L
= 7 pF) manufactured by Seiko Epson Corporation
C
G1
OSC1 gate capacitor
Trimmer capacitor or ceramic capacitor
C
D1
OSC1 drain capacitor
Ceramic capacitor
X’tal3
Crystal resonator
FA-238V (16 MHz) manufactured by Seiko Epson Corporation
Ceramic Ceramic resonator
CSBLA_J (1 MHz) manufactured by Murata Manufacturing Co., Ltd.
C
G3
OSC3 gate capacitor
Ceramic capacitor
C
D3
OSC3 drain capacitor
Ceramic capacitor
C
PW1
Bypass capacitor between V
SS
and V
DD
Ceramic capacitor or electrolytic capacitor
C
PW2
Capacitor between V
SS
and V
D1
Ceramic capacitor
C
VDDQSPI
Capacitor between V
SS
and V
DDQSPI
Ceramic capacitor or electrolytic capacitor
R
REF
RFC reference resistor
Thick film chip resistor
R
TMP1, 2
Resistive sensors
Temperature sensor 103AP-2 manufactured by SEMITEC Corporation
Humidity sensor C15-M53R manufactured by SHINYEI Technology Co.,Ltd.
(
*
In AC oscillation mode for resistive sensor measurements)
C
REF
RFC reference capacitor
Ceramic capacitor
C
VREFA
Capacitor between V
SS
and VREFA
Ceramic capacitor
R
DBG1–2
Debug pin pull-up resistor
Thick film chip resistor
C
VPP
Capacitor between V
SS
and V
PP
Ceramic capacitor
*
For recommended component values, refer to “Recommended Operating Conditions” in the “Electrical Characteristics” chapter.