參數(shù)資料
型號(hào): HT49R50
廠商: Holtek Semiconductor Inc.
元件分類(lèi): 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 1/59頁(yè)
文件大?。?/td> 339K
代理商: HT49R50
HT49R50
8-Bit Microcontroller
1
October 22, 1999
Features
Operating voltage:
2MHz: 3.0V~5.2V
2MHz~4MHz: 4.5V~5.5V
8 input lines
12 bidirectional I/O lines
Two external interrupt input
Two 8-bit programmable timer/event
counter with PFD (programmable
frequency divider) function
LCD driver with 33 3 or 32 4 segments
4K 15 program memory EPROM
160 8 data memory RAM
Real Time Clock (RTC)
8-bit prescaler for RTC
Watchdog timer
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 1 s instruction cycle with 4MHz
system clock
63 powerful instructions
All instructions in 1 or 2 machine cycles
80/100-pin QFP package
General Description
TheHT49R50isan8-bithighperformancesingle
chip microcontroller. Its single cycle instruction
and two-stage pipeline architecture make it suit-
able for high speed applications. The device is
suitedforuseinmultipleLCDlowpowerapplica-
tions among which are calculators, clock timers,
games, scales, leisure products, other hand held
LCD products, and battery system in particular.
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