HTG2150(2000) Datasheet PDF - Holtek Semiconductor

General Description
The HTG2150 is an 8-bit high performance RISC-like microcontroller. The single cycle instruction and two-stage pipeline architecture make it suitable for high speed application. The device is ideally suited for multiple LCD low power application among which are calculators, clock timer, game, scales, toys and hand held LCD products, as well as for battery systems.

FEATUREs
• Operating voltage: 2.2V~3.6V
• 16K x 16 bits program ROM
• 192 x 8 bits data RAM
• 8~12 bidirectional I/O lines
• 8 common x 33~40 segment LCD driver
• One 16-bit programmable timer 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 and buzzer
• Watchdog Timer
• On-chip RC oscillator for system clock and 32768Hz crystal oscillator for timebase and LCD driver
• HALT function and wake-up feature reduce power consumption
• 8-level subroutine nesting
• Bit manipulation instructions
• 63 powerful instructions
• One interrupt input