EPSON 8-bit MCU S1C88409 SPEC Model Supply Voltage S1C88409 1.8 ~ 5.5V (Operating frequency Max. 1.1MHz) 2.6 ~ 5.5V (Operating frequency Max. 4.4MHz) 3.5 ~ 5.5V (Operating frequency Max. 6.6MHz) 4.5 ~ 5.5V (Operating frequency Max. 8.8MHz) Core CPU OSC1 Oscillation circuit S1C88 (MODEL3) CMOS 8-bit core CPU OSC3 Oscillation circuit Instruction set Crystal oscillation circuit/ ceramic oscillation circuit/ CR oscillation circuit 8 MHz (Max.) Crystal oscillation circuit/ CR oscillation circuit/ external clock input 32.768 kHz (Typ.) Basic instruction: 54 types, Total: 608 types (multiplication/ division instructions are usable) Addressing mode: 12 types Min. Instruction execution time Internal ROM capacity Internal RAM capacity 0.25sec/ 8MHz (2 clocks) Bus line Address bus: 22 bits 8K bytes 3.75K bytes (display memory is included; data/ display memory size can be set by mask option) Data bus: 8bits CE signal: 3 bits (usable as general output port or I/O port when it is not used as a bus signal) WR signal: 1 bit RD signal: Input port 12 bits Output port 30 bits 1 bit -2 bits are usable for event counter input) -They are used as address bus and bus control signals when external bus is set -Usable for clock output and buzzer output I/O port 28 bits -8 bits are used as data bus when external bus is set -Usable for serial interface input/ output Serial interface 1 channel -Clock synchronous mode/ asynchronous mode selectable -Usable as IrDA interface 16-bit programmable timer 1 channel -Usable for 16 bits x 1 channel or 8 bits x 2 channel -Usable as event counter 8-bit programmable timer 1 channel Clock timer 1 channel -Usable as baud rate generator for serial interface -Generating 1 sec signal with 32 kHz oscillation -60S counter available LCD controller Dot matrix type -B&W or 4 gray scale display -A 240 x 100 dot LCD panel can be driven with external drivers (S1D16305 or S1D16700, S1D16006 or S1D15700) -Scroll function available Touch panel controller Supports pressure sensitive and resistive membrane type analog touch panels A/D converter D/A converter Resolution 10 bits (input: 8 channels) Sound generator Equipped with envelope and volume control functions. Resolution 8 bits (output: 2 channels) Supply voltage detection (SVD) Possible to detect 3 voltage levels Watchdog timer Possible to generate NMI Interrupt External interrupt: Input interrupt 2 systems (5 types) Internal interrupt: 16-bit programmable timer interrupt 2 systems (4 types) 8-bit programmable timer interrupt Clock timer interrupt Watchdog timer interrupt 1 system (3 types) LCD controller interrupt 1 system (1 type) A/D converter interrupt Run (4MHz) Run (8MHz) Package form 1 system (1 type) Serial interface interrupt Touch panel interrupt Current SLEEP consum-ptio HALT (32kHz) n (Typ.) Run (32kHz) 1 system (1 type) 1 system (5 type) 0.6 A Typ. (at 3.0V) (Normal mode) 3.0 A Typ. (at 3.0V) (Normal mode) 15A Typ. (at 3.0V) (Normal mode) 2mA Typ. (at 3.0V) (Normal mode) 9mA Typ. (at 5.0V) (High speed mode) QFP15-100pin or chip 1 system (2 types) 1 system (1 type)