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Part NameHT48C50-1 Holtek
Holtek Semiconductor Holtek
DescriptionI/O Type 8-Bit MCU
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HT48C50-1 image

General Description
The HT48R50A-1/HT48C50-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The mask version HT48C50-1 is fully pin and functionally compatible with the OTP version HT48R50A-1 device.
The advantages of low power consumption, I/O flexibility, 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 controllers, etc.

● Operating voltage:
   fSYS=4MHz: 2.2V~5.5V
   fSYS=8MHz: 3.3V~5.5V
● Low voltage reset function
● 35 bidirectional I/O lines (max.)
● 1 interrupt input shared with an I/O line
● 8-bit programmable timer/event counter with overflow
   interrupt and 8-stage prescaler
● 16-bit programmable timer/event counter and over
   flow interrupts
● On-chip RC oscillator, external crystal and RC oscillator
● 32768Hz crystal oscillator for timing purposes only
● Watchdog Timer
● 409615 program memory ROM
● 1608 data memory RAM
● Buzzer driving pair and PFD supported
● HALT function and wake-up feature reduce power
● 6-level subroutine nesting
● Up to 0.5μs instruction cycle with 8MHz system clock
   at VDD=5V
● Bit manipulation instruction
● 15-bit table read instruction
● 63 powerful instructions
● All instructions in one or two machine cycles
● 28-pin SKDIP/SOP, 48-pin SSOP package

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