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HT48E50 Datasheet

  • HT48E50

  • I/O Type 8-Bit MTP MCU With EEPROM

  • 46頁(yè)

  • HOLTEK

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HT48E50
Preliminary
Features
路
Operating voltage:
路
HALT function and wake-up feature reduce power
I/O Type 8-Bit MTP MCU With EEPROM
f
SYS
=4MHz: 2.2V~5.5V
f
SYS
=8MHz: 3.3V~5.5V
路
Low voltage reset function
路
33 bidirectional I/O lines (max.)
路
1 interrupt input shared with an I/O line
路
8-bit programmable timer/event counter with overflow
consumption
路
6-level subroutine nesting
路
Up to 0.5ms instruction cycle with 8MHz system clock
at V
DD
=5V
路
Bit manipulation instruction
路
15-bit table read instruction
路
63 powerful instructions
路
10
6
erase/write cycles EEPROM data memory
路
EEPROM data retention > 10 years
路
All instructions in one or two machine cycles
路
In system programming (ISP)
路
28-pin SKDIP/SOP, 48-pin SSOP package
interrupt and 8-stage prescaler
路
On-chip crystal and RC oscillator
路
Watchdog Timer
路
4096麓15 program memory ROM (MTP)
路
256麓8 data memory EEPROM
路
160麓8 data memory RAM
General Description
The HT48E50 is an 8-bit high performance, RISC archi-
tecture microcontroller device specifically designed for
multiple I/O control product applications.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, HALT and
wake-up functions, watchdog timer, buzzer driver, as
well as low cost, enhance the versatility of these devices
to suit a wide range of application possibilities such as
industrial control, consumer products, subsystem con-
trollers, etc.
Rev. 0.00
1
September 29, 2004

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