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24 Basic External Connection Diagram
1.8–5.5 V,
+
∗1
or 2.2–5.5 V
C
PW1
C
PW2
+
C
3.0–3.6 V
VDDQSPI
C
VPP
∗2
(
)
C
G1
( )
X'tal1
C
D1
∗3
( )
C
G3
( )
X'tal3/
C
D3
Ceramic
*1: For Flash programming
*2: When OSC1 crystal oscillator is selected
*3: When OSC3 crystal/ceramic oscillator is selected
*4: Two-pin output mode
*5: Four-pin output mode
( ): Do not mount components if unnecessary.
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
V
DD
V
D1
V
DDQSPI
V
PP
OSC1
S1C31D41
OSC2
[The potential of the substrate
(back of the chip) is V
OSC3
OSC4
#RESET
TEST
V
SS
Seiko Epson Corporation
24 BASIC EXTERNAL CONNECTION DIAGRAM
SDACOUT_N
External
SDACOUT_P
SDACOUT_N2
SDACOUT_N
External
SDACOUT_P2
SDACOUT_P
External voltage
EXSVDn
SENB0
SENA0
REF0
RFIN0
V
REMO
IR transmitter module
Pxy
SDIn
SDOn
SPICLKn
#SPISSn
.]
SS
QSDIO00
QSDIO01
QSDIO02
QSDIO03
QSPICLK0
#QSPISS0
SCLn
SDAn
USINn
USOUTn
TOUTn0/CAPn0
:
TOUTn3/CAPn3
ADIN00–07
#ADTRG0
VREFA0
( )
R
DBG1
SWCLK
SWD
∗4
circuit
Speaker
OR
∗5
circuit
Buzzer
R
TMP2
R
TMP1
R
REF
C
REF
DD
I/O
SPI
QSPI
I
2
C
UART
PWM/Capture
A/D conversion inputs
C
VREFA
V
DD
(
)
R
DBG2
Debugging
tool
24-1
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