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HT48RA3 Datasheet(PDF) 18 Page - Holtek Semiconductor Inc

Part # HT48RA3
Description  Remote Type 8-Bit MCU
PDF  38 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT48RA3 Datasheet(HTML) 18 Page - Holtek Semiconductor Inc

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HT48RA3/HT48CA3
Rev. 1.30
18
October 12, 2007
Options
The following table shows all kinds of options in the MCU. All of the options must be defined to ensure proper system
functioning.
Function
PA0~PA7 wake-up enable or disable
PC pull-high enable or disable
PA pull-high enable or disable: Byte option
PF pull-high enable or disable
PB pull-high (PB0~PB3, PB4~PB7) enable or disable: Nibble option
PB0 or PFD
CLR WDT instructions
System oscillators: RC or crystal
WDT enable or disable
WDT clock source: WDTOSC or system clock/4 (T1D)
LVR function: enable or disable
LVR voltage: 2.0V or 3.0V



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