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24. Basic External Connection Diagram
1.8-5.5v
2.4-5.5v *1
+
or
C
PW1
2.7-5.5v *2
C
PW2
C
VDDQSPI
*3
C
G1
C
X'tal1
D1
*4
C
G3
C
X'tal3/
D3
Ceramic
*1: For Flash programming (when VPP is supplied externally)
*2: For Flash programming (when VPP is generated internally)
*3: When OSC1 crystal oscillator is selected
*4: When OSC3 crystal/ceramic oscillator is selected
[ ]: Do not mount components if unnecessary.
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
V
DD
VD1
VDDQSPI
OSC1
S1C31D50
OSC2
OSC3
OSC4
#RESET
TEST
VSS
Seiko Epson Corporation
R
LPF
SDACOUT_P
C
LPF
R
LPF
SDACOUT_N
C
LPF
External voltage
EXSVDn
SENB0
SENA0
REF0
RFIN0
C
REF
V
DD
REMO
IR transmitter module
I/O
Pxy
SDIn
SDOn
SPI
SPICLKn
#SPISSn
QSDIO00
QSDIO01
QSDIO02
QSPI
QSDIO03
QSPICLK0
#QSPISS0
SCLn
I2C
SDAn
USINn
UART
USOUTn
TOUTn0/CAPn0
PWM/Capture
TOUTn3/CAPn3
ADIN00–07
A/D conversion inputs
#ADTRG0
VREFA0
C
VREFA
V
R
R
DBG1
SWCLK
SWD
VPP
C
VPP
R
LPF
C
LPF
R
LPF
Speaker
AMP
C
LPF
DD
DBG2
Debugging
tool
24-1
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