1 OVERVIEW
S1C17554/564 TECHNICAL MANUAL
Seiko Epson Corporation
1-1
Overview
1
Features
1.1
The main features of the S1C17554/564 are listed below.
1.1 Features
Table 1.
Model
S1C17554
S1C17564
CPU
CPU core
Seiko Epson original 16-bit RISC CPU core S1C17
Multiplier/Divider (COPRO)
16-bit
× 16-bit multiplier
16-bit
× 16-bit + 32-bit multiply and accumulation unit
16-bit
÷ 16-bit divider
Embedded Flash memory
Capacity
128K bytes (for both instructions and data)
Erase/program count
Min. 1 time
Other
Read/program protection function
An erasing/programming power supply (VPP) is required.
Allows on-board programming using a debugging tool such as ICDmini.
Embedded RAM
Capacity
16K bytes
Clock generator
System clock source
2 sources (OSC3/OSC1)
3 sources (IOSC/OSC3/OSC1)
IOSC oscillator circuit
2/4/8/12 MHz(typ.) internal oscillator circuit
OSC3 oscillator circuit
24 MHz (max.) crystal or ceramic oscillator circuit
Supports an external clock input.
OSC1 oscillator circuit
32.768 kHz (typ.) crystal oscillator circuit
Supports an external clock input.
Other
Core clock frequency control
Peripheral module clock supply control
I/O ports
Number of general-purpose I/O ports Max. 40 bits (TQFP13-64pin package)
Max. 34 bits (WCSP-48 package)
(Pins are shared with the peripheral I/O.)
Max. 40 bits
(Pins are shared with the peripheral I/O.)
Serial interfaces
SPI
3 channels
I2C master (I2CM)
1 channel
I2C slave (I2CS)
1 channel
UART
2 channels (IrDA1.0 supported)
IR remote controller (REMC)
1 channel
Universal serial interface (USI)
2 channels (Usable as a UART, SPI, or I2C)
Timers
16-bit timer (T16)
3 channels
Fine mode 16-bit timer (T16F)
2 channels
16-bit PWM timer (T16A)
4 channels
Clock timer (CT)
1 channel
Stopwatch timer (SWT)
1 channel
Watchdog timer (WDT)
1 channel
A/D converter
Conversion method
Successive approximation type
Number of analog input channels
4 channels (max.)
Resolution
10 bits
Interrupts
Reset interrupt
#RESET pin
NMI
Watchdog timer
Programmable interrupts
23 systems (8 levels)
Power supply voltage
Core voltage (LVDD)
1.65 V to 1.95 V
1.65 V to 1.95 V (Not required when the
regulator is used.)
I/O voltage (HVDD)
1.65 V to 5.5 V
2.0 V to 5.5 V (Regulator used)
1.65 V to 5.5 V (Regulator not used)
Analog voltage (AVDD)
2.7 V to 5.5 V
Flash programming voltage (VPP)
7 V