
1 Overview
1-2
Seiko Epson Corporation
S1C17601 TECHNICAL MANUAL
1.1 Features
The main features of the S1C17601 are listed below.
CPU
Epson original 16-bit RISC CPU core S1C17
16 bit x 16 bit + 32 bit product-sum operation,
16 bit ÷ 16 bit division arithmetic unit
IOSC oscillator circuit
2.7 MHz (typ.)
Oscillating start up 5 s (max.)
Boot Clock (External components not required.)
OSC3 oscillator circuit
Crystal oscillator circuit or ceramic oscillator circuit, 8.2 MHz (max.)
or external clock input
OSC1 oscillator circuit
Crystal oscillator circuit 32.768 kHz (typ.)
Internal flash memory
32 Kbytes (for both instructions and data)
Allows 1,000 rewrites (min.)
Read/write protection function
Allows onboard rewriting with the ICD Mini (S5U1C17702H)
debug tool and self-rewriting via software.
Internal RAM
2 Kbytes
Internal Display RAM
20 bytes
A/D Converter
10 bit resolution
4ch
R/F Converter
DC oscillation/AC oscillation/External input
1ch.
Input/output port
Max. 24-bit general purpose input/output (shared with peripheral
circuit input/output pins)
Serial interface
SPI (master/slave)
1ch.
I2C (master)
1ch.
I2C (slave)
1ch.
UART (460,800 bps, IrDA1.0 compatible) 1ch.
Timer
8-bit timer (T8F)
1ch.
16-bit timer (T16)
3ch.
PWM timer (T16E)
2ch.
Clock timer (CT)
1ch.
Stopwatch timer (SWT)
1ch.
Watchdog timer (WDT)
1ch.
8-bit OSC1 PWM timer (T8OSC1)
1ch.
LCD driver
16 SEG x 8 COM or 20 SEG x 4 COM (1/3 bias)
Internal booster power supply circuit (16-value programmable
contrast)
Power supply voltage detection (SVD) circuit 15-value programmable (1.8 V to 3.2 V)
Interrupt
NMI, P Port Input interrupt
3ch.
Serial Interface interrupt
4ch.
Timer interrupt
9ch.
LCD, SVD, ADC, RFC interrupt
Power supply voltage
1.8 V to 3.6 V (for normal operations)
2.7 V to 3.6 V (for flash deletion/programing)
Including voltage regulator circuit (with binary programmable
operating voltage)
Operating temperatures
-25°C to 70°C
Current consumption
SLEEP mode:
0.6 A typ. (OSC1=OFF, IOSC=OFF,
OSC3=OFF)
HALT mode:
2.0 A typ. (OSC1=32 kHz, IOSC=OFF,
OSC3=OFF, PCKEN=0x0, LCD OFF)
2.7 A typ. (OSC1=32 kHz, IOSC=OFF,
OSC3=OFF, PCKEN=0x0, LCD ON (All
LCD On, maximum contrast, VC2 standard)
When operating: 12 A typ. (OSC1= 32kHz, IOSC=OFF,
OSC3=OFF, LCD OFF)
340 A typ. (OSC1=OFF, IOSC=OFF,
OSC3=1 MHz ceramic oscillator)
Configuration as shipped
TQFP13-64 10 mm x 10 mm body, 0.5 mm pitch
VFBGA8H-81 8 mm x 8 mm, body, 0.8 mm pitch
Bare chip 100 m pitch