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HT49C50-1 Datasheet

  • HT49C50-1

  • 8-Bit LCD Type Mask MCU

  • 46頁

  • ETC

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HT49R50A-1/HT49C50-1/HT49C50L
8-Bit LCD Type MCU
Features
路
Operating voltage:
路
On-chip crystal, RC and 32768Hz crystal oscillator
路
HALT function and wake-up feature reduce power
2.2V~5.5V for HT49R50A-1/HT49C50-1
1.2V~2.2V for HT49C50L
路
8 input lines
路
12 bidirectional I/O lines
路
Two external interrupt input
路
Two 8-bit programmable timer/event counter with
consumption
路
6-level subroutine nesting
路
Bit manipulation instruction
路
15-bit table read instruction
路
Up to 0.5ms instruction cycle with 8MHz system clock
PFD (programmable frequency divider) function
路
LCD driver with 33麓2, 33麓3 or 32麓4 segments
路
4K麓15 program memory
路
160麓8 data memory RAM
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Real Time Clock (RTC)
路
8-bit prescaler for RTC
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Watchdog Timer
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Buzzer output
for HT49R50A-1/HT49C50-1
路
Up to 8ms instruction cycle with 500kHz system clock
for HT49C50L
路
63 powerful instructions
路
All instructions in 1 or 2 machine cycles
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Low voltage reset/detector function
for HT49R50A-1/HT49C50-1
路
48-pin SSOP, 100-pin QFP package
General Description
The HT49C50-1 and the HT49C50L are 8-bit high per-
f o r m a nc e s i ngl e ch ip m ic r o c o n tr o l le r s. T h e
HT49R50A-1 is the OTP version of the HT49C50-1. Its
single cycle instruction and two-stage pipeline architec-
ture make it suitable for high speed applications. The
device is suited for use in multiple LCD low power appli-
cations among which are calculators, clock timers,
games, scales, leisure products, other hand held LCD
products and batteries system in particular.
Rev. 1.10
1
October 21, 2002

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