HT48CA3 View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

MFG CO.

HT48CA3

Remote Type 8-Bit MCU

Holtek Semiconductor 

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HT48RA3/HT48CA3

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

Rev. 1.50

18

June 29, 2009

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