SH67L17

SH67L17 24K 4-bit Micro-controller with LCD Driver Features „ SH6610D-based single-chip 4-bit micro-controller with LCD driver „ ROM: 24K X 16bits „ RAM: 4136 X 4 bits - 43 System Control Register - 4093 Data memory - 180 LCD RAM „ Operation Voltage: 1.2V - 1.7V (Typical 1.5V) „ 16 CMOS Bi-directional I/O Pins „ 8-Level Stack (Including Interrupts) „ One 8-bit Base Timer „ Warm-Up Timer „ Powerful Interrupt Sources: - External interrupt ( INT share with PORTA.0) - Base timers interrupt - PORTB & PORTC interrupts (Falling edge) „ 2 Clock Sources OSC: (Code Option selects the type of OSC) - Crystal Oscillator: 32.768kHz - RC Oscillator: 131kHz OSCX: - RC oscillator: 500kHz (ROSCX) „ Instruction Cycle Time (4/fOSC) „ Two Low Power Operation Modes: HALT And STOP „ Special HALT/STOP mode „ Reset - Built-in Watchdog Timer (WDT) (Code Option) - Built-in Power-on Reset (POR) - RESET 0 & RESET 1 „ LCD Driver: - 60SEG X 9COM (1/9 Duty, 1/4 Bias) „ Built-in Pull-high Resistor For PORTA - PORTD „ Built-in Voltage Fourfold Charge Pump Circuit „ 8 X 8 BCD hardware multiplier „ 16/8 BCD hardware divider „ RAM common space in every RAM bank „ Low power consumption „ Available in CHIP FORM General Description SH67L17 is a single-chip 4-bit micro-controller. This device integrates a SH6610D CPU core, RAM, ROM, Base Timer, a hardware multiplier, a hardware divider, LCD driver, I/O ports, and voltage pump circuit. The SH67L17 is suitable for scientific calculator applicati...