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24 BASIC EXTERNAL CONNECTION DIAGRAM
Sample external components
Symbol
Name
X'tal1
32 kHz crystal resonator
C
OSC1 gate capacitor
G1
C
OSC1 drain capacitor
D1
X'tal3
Crystal resonator
Ceramic Ceramic resonator
C
OSC3 gate capacitor
G3
C
OSC3 drain capacitor
D3
C
Bypass capacitor between V
PW1
C
Capacitor between V
PW2
C
Capacitor between V
VDDQSPI
R
RFC reference resistor
REF
R
Resistive sensors
TMP1, 2
C
RFC reference capacitor
REF
C
Capacitor between V
VREFA
R
Debug pin pull-up resistor
DBG1–2
C
Capacitor between V
VPP
* For recommended component values, refer to "Recommended Operating Conditions" in the "Electrical Characteristics" chapter.
However, the final values should be determined after evaluating operations using an actual mounting board.
24-2
C-002RX (R
Trimmer capacitor or ceramic capacitor
Ceramic capacitor
FA-238V (16 MHz) manufactured by Seiko Epson Corporation
CSBLA_J (1 MHz) manufactured by Murata Manufacturing Co., Ltd.
Ceramic capacitor
Ceramic capacitor
and V
Ceramic capacitor or electrolytic capacitor
SS
DD
and V
Ceramic capacitor
SS
D1
and V
Ceramic capacitor or electrolytic capacitor
SS
DDQSPI
Thick film chip resistor
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)
Ceramic capacitor
and VREFA
Ceramic capacitor
SS
Thick film chip resistor
and V
Ceramic capacitor
SS
PP
Seiko Epson Corporation
Recommended components
= 50 kW (Max.), C
= 7 pF) manufactured by Seiko Epson Corporation
1
L
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
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