Table of Contents
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1 OVERVIEW
Serial interfaces
UART (UART2)
Synchronous serial interface (SPIA)
Quad synchronous serial interface (QSPI)
I
C (I2C)
2
*1
USB 2.0 FS device controller (USB)
Number of transceiver/receiver channels
Transfer rate
Clock source
Number of endpoints
Power supply
Sound generator (SNDA)
Buzzer output function
Melody generation function
IR remote controller (REMC2)
Number of transmitter channels
Other
LCD driver (LCD32B)
LCD output
LCD contrast
Other
R/F converter (RFC)
Conversion method
Number of conversion channels
Supported sensors
Reset
#RESET pin
Power-on reset
Brownout 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 (when V
DD
V
operating voltage when LCD driver is used 2.5 to 3.6 V
DD
Operating temperature
Operating temperature range
Current consumption (Typ. value)
SLEEP mode
*2
HALT mode
*3
1-2
2 channels
Baud-rate generator included, IrDA1.0 supported
Open drain output, signal polarity, and baud rate division ratio are configurable.
1 channel
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
Supports single, dual, and quad transfer modes.
Low CPU overhead memory mapped access mode that can directly read data from
the external flash memory with XIP (eXecute-In-Place) mode.
2 channels
Baud-rate generator included
1 channel
FS (12 Mbps)
48 MHz crystal oscillator or OSC3 (12 MHz) + PLL selectable
4 endpoints (3 general-purpose endpoints and endpoint 0)
Voltage regulators for USB 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 (by the hardware) for an application
example.
88SEG × 1–16COM (max.), 80SEG × 17–24COM (max.), 72SEG × 25–32COM (max.)
16 levels
1/5 or 1/4 bias power supply included, external voltage can be applied.
CR oscillation type with 24-bit counters
1 channel (Up to two sensors can be connected.)
DC-bias resistive sensors, AC-bias resistive sensors
Reset when the reset pin is set to low.
Reset at power on.
Reset when the power supply voltage drops (when V
Reset when the P00 to P01/P02/P03 keys are pressed simultaneously
(can be enabled/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).
6 systems (Reset, NMI, HardFault, SVCall, PendSV, SysTic)
External interrupt: 1 system
Internal interrupt: 23 systems
1.8 to 3.6 V
is supplied externally)
PP
2.4 to 3.6 V (when V
is generated internally)
PP
-40 to 85 °C
0.4 µA
IOSC = OFF, OSC1 = OFF, OSC3 = OFF
0.9 µA
IOSC = OFF, OSC1 = ON, OSC3 = OFF, RTC = ON
1.7 µA
OSC1 = 32 kHz
7.7 µA
OSC1 = 32 kHz, LCD = ON (no panel load)
Seiko Epson Corporation
≤ 1.45 V (typ.) is detected).
DD
S1C31W74 TECHNICAL MANUAL
(Rev. 1.1)
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