Basic External Connection Diagram - Epson S1C17M20 Technical Manual

22 Basic External Connection Diagram

1.8–5.5 V,
∗1
2.4–5.5 V ,
+
or C
PW1
∗2
2.7–5.5 V
C
PW2
∗3 ( )
C
G1
( )
X'tal1
C
D1
∗4 ( )
C
G3
( )
X'tal3/
C
D3
Ceramic
*1: For Flash programming (when V
*2: For Flash programming (when V
*3: When the OSC1 crystal oscillator is used (except for the S1C17M20/M23 (24-pin package))
*4: When the OSC3 crystal/ceramic oscillator is used (except for the S1C17M20/M23 (24-pin package))
*5: When the R/F converter is used (available in the S1C17M22/M25)
( ): Do not mount components if unnecessary.
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
V
DD
V
D1
OSC1
S1C17M20/M21/M22/
OSC2
M23/M24/M25
[The potential of the substrate
OSC3
(back of the chip) is V
OSC4
#RESET
V
SS
is supplied externally)
PP
is generated internally)
PP
Seiko Epson Corporation
22 BASIC EXTERNAL CONNECTION DIAGRAM
EXSVD0
BZOUT
SENBn
SENAn
REFn
RFINn
REMO
DCLK
DSIO
DST2
.]
V
SS
PP
Pxy
SDIn
SDOn
SPICLKn
#SPISSn
SCL0
SDA0
USINn
USOUTn
TOUTn0/CAPn0
TOUTn1/CAPn1
ADIN0x
#ADTRG0
VREFA0
V
DD
BZ
External
voltage
∗5
R
TMP2
R
TMP1
R
REF
C
REF
V
DD
IR transmitter module
R
DBG
V
( ) DD
ICDmini
C
VPP
I/O
SPI
I 2 C
UART
PWM/Capture
A/D conversion inputs
( )
C
VREFA
22-1