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HTG2190 Datasheet

  • HTG2190

  • 8-Bit 1024 Pixel LCD Microcontroller

  • 64頁

  • HOLTEK

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HTG2190
8-Bit 1024 Pixel LCD Microcontroller
Features
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Operating voltage: 2.4V~3.6V
64K麓16 bits program ROM
2.3K麓8 bits data RAM
15~39 bidirectional I/O lines
16 common麓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
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R to F function for temperature measure-
ment
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 calcula-
tors, clock timer, game, scales, leisure products,
other hand held LCD products and battery op-
erated systems in particular.
Rev. 1.00
1
June 29, 2001

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