1 OVERVIEW
S1C17M12/M13 TECHNICAL MANUAL
Seiko Epson Corporation
1-3
(Rev. 1.2)
1.2 Block Diagram
IOSC
oscillator
EXOSC
input circuit
Clock generator
(CLG)
Power-on reset
(POR)
Power generator
(PWG)
System reset controller
(SRC)
V
DD
V
DD2
V
D1
V
SS
V
SS2
FOUT
OSC3
OSC4
EXOSC
#RESET
OSC3
oscillator
Brownout reset
(BOR)
CPU core & debugger
(S1C17)
Internal RAM
2K bytes
System clock
Interrupt request
Interrupt signal
DCLK
DSIO
DST2
32-bit RAM bus
Multiplier/divider
(COPRO2)
Coprocessor bus
Instruction bus
16-bit internal bus
SDA0
SCL0
EXSVD0–1
P00–07
P10–17
P20–24
P40–47
P50–54
PD0–D1
PD3–D4
PD2
Interrupt
controller
(ITC)
I/O port
(PPORT)
Watchdog timer
(WDT2)
I
2
C
(I2C)
1 Ch.
Supply voltage
detector
(SVD3)
16-bit timer
(T16)
4 Ch.
TOUT00–01
CAP00–01
EXCL00–01
16-bit PWM timer
(T16B)
1 Ch.
SDI0–1
SDO0–1
SPICLK0–1
#SPISS0–1
Synchronous
serial interface
(SPIA)
2 Ch.
USIN0
USOUT0
UART
(UART3)
1 Ch.
Flash memory
16K bytes
V
PP
COM0–4
SEG0–7
Seven-segment
LED controller
(LEDC)
ADIN00–07
#ADTRG0
VREFA0
12-bit A/D
converter
(ADC12A)
1 Ch.
REMO
CLPLS
IR remote
controller
(REMC2)
1 Ch.
∗
*
Not available in the S1C17M12.
Figure 1.2.1 S1C17M12/M13 Block Diagram