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1 OVERVIEW
Model
Supply voltage detector (SVD)
Detection level
Other
Serial interfaces
UART (UART)
Synchronous serial interface (SPIA)
I
C (I2C)
2
Sound generator (SNDA)
Buzzer output function
Melody generation function
IR remote controller (REMC2)
Number of transmitter channels
Other
LCD driver (LCD8B)
LCD output
LCD contrast
Other
R/F converter (RFC)
Conversion method
Number of conversion channels
Supported sensors
12-bit A/D converter (ADC12A)
Conversion method
Resolution
Number of conversion channels
Number of analog signal inputs
Temperature sensor/reference voltage generator (TSRVR)
Temperature sensor circuit
Reference voltage generator
Multiplier/divider (COPRO2)
Arithmetic functions
Reset
#RESET pin
Power-on reset
Key entry reset
Watchdog timer reset
Supply voltage detector reset
Interrupt
Non-maskable interrupt
Programmable interrupt
Power supply voltage
V
operating voltage
DD
V
operating voltage for Flash programming 2.4 to 3.6 V (V
DD
V
operating voltage for super economy mode 2.5 to 3.6 V (128-pin package or chip)
DD
Operating temperature
Operating temperature range
Current consumption (Typ. value)
SLEEP mode
HALT mode
1-2
30 levels (1.2 to 3.6 V)
Intermittent operation mode
Generates an interrupt or reset according to the detection level evaluation.
2 channels
Baud-rate generator included, IrDA1.0 supported
2 channels
2 to 16-bit variable data length
The 16-bit timer (T16) can be used for the baud-rate generator in master mode.
1 channel
Baud-rate generator included
512 Hz to 16 kHz output frequencies
One-shot output function
Pitch:
128 Hz to 16 kHz ≈ C3 to C6
Duration: 7 notes/rests (Half note/rest to thirty-second note/rest)
Tempo: 16 tempos (30 to 480)
Tie/slur may be specified.
1 channel
EL lamp drive waveform can be generated for an application example.
44 SEG × 5–8 COM (max.), 48 SEG × 1–4 COM (max.) (128-pin package or chip)
28 SEG × 5–8 COM (max.), 32 SEG × 1–4 COM (max.) (80-pin package)
20 SEG × 5–8 COM (max.), 24 SEG × 1–4 COM (max.) (64-pin package)
32 levels
1/4 or 1/3 bias power supply included, external voltage can be applied.
CR oscillation type with 24-bit counters
2 channels (Up to two sensors can be connected to each channel.)
DC-bias resistive sensors, AC-bias resistive sensors (Ch.0 only)
Successive approximation type
12 bits
1 channel
8 ports/channel (The temperature sensor output is connected to a port.)
Sensor output can be measured using ADC12A.
Reference voltage for ADC12A is selectable from 2.0 V, 2.5 V, V
16-bit × 16-bit multiplier
16-bit × 16-bit + 32-bit multiply and accumulation unit
32-bit ÷ 32-bit divider
Reset when the reset pin is set to low.
Reset at power on.
Reset when the P00 to P01/P02/P03 keys are pressed simultaneously (can be en-
abled/disabled using a register).
Reset when the watchdog timer overflows (can be enabled/disabled using a register).
Reset when the supply voltage detector detects the set voltage level (can be enabled/
disabled using a register).
4 systems (Reset, address misaligned interrupt, debug, NMI)
External interrupt: 1 system (8 levels)
Internal interrupt: 22 systems (8 levels)
1.2 to 3.6 V
= 7.5 V external power supply is required.)
PP
2.4 to 3.6 V (When V
is generated internally)
PP
-40 to 85 °C
0.15 µA
IOSC = OFF, OSC1 = OFF, OSC3 = OFF
0.5 µA
OSC1 = 32 kHz, RTC = ON
0.3 µA (128-pin package or chip)
OSC1 = 32 kHz, RTC = ON, super economy mode
Seiko Epson Corporation
S1C17W18
, and external input.
DD
S1C17W18 TECHNICAL MANUAL
(Rev. 1.2)
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