SH66L12B

SH66L12B OTP 2K 4-bit Microcontroller with LCD Driver Features „ SH6610C-based single-chip 4-bit micro controller with LCD driver „ Mask ROM: 2K X 16 bits „ RAM: 326 X 4 bits - 36 System Control Register - 256 Data Memory - 34 LCD RAM „ Operating Voltage: 1.2V - 1.7V(Typical 1.5V) „ 16 CMOS Bi-directional I/O pins „ 4 level subroutine nesting (including interrupts) „ Two 8-bit Auto Re-Loaded Timer „ Warm-Up Timer „ Powerful Interrupt Sources: - External Interrupt (Falling edge) - Timer0 Interrupt - Timer1 Interrupt - PORTB & PORTC Interrupt (Falling Edge) „ Oscillator (Code Option) - Crystal Oscillator: 32.768kHz - RC Oscillator: 131kHz „ Instruction Cycle Time (4/fOSC) - 4/32.768kHz (≈ 122µs) for 32.768kHz crystal - 4/131kHz (≈ 31µs) for 131kHz RC „ Two Low Power Operation Modes: HALT and STOP „ Reset - Built-in Power-on Reset (POR) - Built-in Watchdog Timer (WDT) (Code Option) „ LCD Driver(8 segment shared with PORTC/PORTD): - 34 SEG X 4 COM (1/4 Duty, 1/3 Bias) - 34 SEG X 3 COM (1/3 Duty, 1/2 Bias) - 34 SEG X 2 COM (1/2 Duty, 1/2 Bias) „ Built-in Pull-high Resistor for PORTA- PORTD „ Built-in Alarm Generator(Code Option) - 2kHz - 4kHz „ Built-in Electroluminescent Light (EL-Light) Driver „ Built-in Voltage Doubler and Tripler Charge Pump Circuit „ Built-in Resistor To Frequency Converter (RFC) „ Low Power Consumption „ Bonding Option for Multi-code Software „ Special HALT/STOP Mode „ Available in CHIP FORM General Description SH66L12B is a single-chip micro-controller....