1 OVERVIEW
S1C17M12/M13 TECHNICAL MANUAL
Seiko Epson Corporation
1-1
(Rev. 1.2)
1 Overview
The S1C17M12/M13 is a 16-bit embedded Flash MCU that features low power consumption. It includes various
serial interfaces and a seven-segment LED controller on the compact die. It is suitable for control panels with a
seven-segment display for housing equipment and FA equipment.
1.1 Features
Table 1.1.1 Features
Model
S1C17M12
S1C17M13
CPU
CPU core
Seiko Epson original 16-bit RISC CPU core S1C17
Other
On-chip debugger
Embedded Flash memory
Capacity
16K bytes (for both instructions and data)
Erase/program count
1,000 times (min.)
Other
Security function to protect from reading/programming by ICDmini
On-board programming function using ICDmini
Embedded RAM
Capacity
2K bytes
Clock generator (CLG)
System clock source
3 sources (IOSC/OSC3/EXOSC)
System clock frequency (operating frequency) 16.8 MHz (max.)
IOSC oscillator circuit (boot clock source)
700 kHz (typ.) embedded oscillator
23 µs (max.) starting time (time from cancelation of SLEEP state to vector table read
by the CPU)
OSC3 oscillator circuit
16.8 MHz (max.) crystal/ceramic oscillator
4, 8, 12, and 16 MHz-switchable embedded oscillator
EXOSC clock input
16.8 MHz (max.) square or sine wave input
Other
Configurable system clock division ratio
Configurable system clock used at wake up from SLEEP state
Operating clock frequency for the CPU and all peripheral circuits is selectable.
I/O port (PPORT)
Number of general-purpose I/O ports
Input/output port: 38 bits (max.)
Output port:
1 bit (max.)
Pins are shared with the peripheral I/O.
Number of input interrupt ports
34 bits (max.)
Number of ports that support universal port
multiplexer (UPMUX)
21 bits
A peripheral circuit I/O function selected via software can be assigned to each port.
Number of low-level high-current drive
outputs
8 bits (max.)
7 mA output (max.)
Number of high-level high-current drive
outputs
5 bits (max.)
56 mA output (max., Total sum of 5 bits)
Timers
Watchdog timer (WDT2)
Generates NMI or watchdog timer reset.
Programmable NMI/reset generation cycle
16-bit timer (T16)
4 channels
Generates the SPIA master clock and the ADC12A trigger signal.
16-bit PWM timer (T16B)
1 channel
Event counter/capture function
PWM waveform generation function
Number of PWM output or capture input ports: 2 ports/channel
Supply voltage detector (SVD3)
Detection voltage
V
DD
or external voltage (two external voltage input ports are provided.)
Detection level
V
DD
: 28 levels (1.8 to 5.0 V)/external voltage: 32 levels (1.2 to 5.0 V)
Other
Intermittent operation mode
Generates an interrupt or reset according to the detection level evaluation.
Serial interfaces
UART (UART3)
4 channels
Baud-rate generator included, IrDA1.0 supported
Open drain output, signal polarity, and baud rate division ratio are configurable.
Infrared communication carrier modulation output function