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HT49C50 Datasheet

  • HT49C50

  • 8-Bit Microcontroller

  • 316.21KB

  • 52頁

  • HOLTEK

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HT49C50
8-Bit Microcontroller
Features
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Operating voltage: 2.2V~5.2V
8 input lines
12 bidirectional I/O lines
Two external interrupt input
Two 8-bit programmable timer/event
counter with PFD (programmable fre-
quency divider) function
LCD driver with 33
麓
3 or 32
麓
4 segments
4K
麓
15 program memory ROM
160
麓
8 data memory RAM
Real Time Clock (RTC)
8-bit prescaler for RTC
Watchdog timer
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Buzzer output
On-chip crystal and RC oscillator
Halt function and wake-up feature reduce
power consumption
6-level subroutine nesting
Bit manipulation instruction
15-bit table read instruction
Up to 1ms instruction cycle with 4MHz
system clock
63 powerful instructions
All instructions in 1 or 2 machine cycles
80/100-pin QFP package
General Description
The HT49C50 is an 8-bit high performance single
chip microcontroller. Its single cycle instruction
and two-stage pipeline architecture make it suit-
able for high speed applications. The device is
suited for use in multiple LCD low power applica-
tions among which are calculators, clock timers,
games, scales, leisure products, other hand held
LCD products, and battery system in particular.
1
August 18, 1999

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