HTG2190

HTG2190 8-Bit 1024 Pixel LCD Microcontroller Features · · · · · · · · · · Operating voltage: 2.4V~3.6V 64K´16 bits program ROM 2.3K´8 bits data RAM 15~39 bidirectional I/O lines 16 common´40~64 segment LCD driver Two 16-bit programmable timer/event counters with overflow interrupts One 8-bit programmable timer with 8-stage prescaler for PFD One 8-bit programmable timer with 8-stage prescaler for time base One 8-bit PWM audio output to directly drive speaker or buzzer One 12-bit current type D/A output with 4-bit volume control · · · · · · · · · · · R to F function for temperature measurement Synchronous serial interface On-chip RC oscillator for system clock 32768Hz crystal oscillator for time base and LCD driver Watchdog Timer HALT function and wake-up feature reduce power consumption Eight-level subroutine nesting Bit manipulation instructions 63 powerful instructions Built-in supply voltage detection circuit One interrupt input General Description The HTG2190 is an 8-bit high performance RISC-like microcontroller capable of driving 1024 pixel (max.) LCD display. Its single cycle instruction and two-stage pipeline architecture make it suitable for high speed applications. The device is suited for use in multiple LCD low power applications among which are calculators, clock timer, game, scales, leisure products, other hand held LCD products and battery operated systems in particular. Rev. 1.00 1 June 29, 2001 HTG2190 Block Diagram S Y S C L K /4 S T A C K 0 S T A C K...