HT83F40P datasheet(44/61 Pages) HOLTEK

44 / 61 page

HT83FXX

Rev. 1.00

May 12, 2009

Configuration Options

Configuration options refer to certain options within the MCU that are programmed into the device during the program-

ming process. During the development process, these options are selected using the HT-IDE software development

tools. As these options are programmed into the device using the hardware programming tools, once they are selected

they cannot be changed later by the application software.

No.

Options

I/O Options

PA0~PA7: wake-up enable or disable

PA0~PA7: pull-high enable or disable

PB0~PB3: pull-high enable or disable

Oscillator Options

OSC type selection: RC or crystal

Watchdog Options

WDT: enable or disable

WDT clock source: WDROSC or T1

PB I/O Port Output Voltage Options

VDD_PBIO/VDD type selection: VDD_PBIO or VDD for Port B, SPI, I

2C I/O per bit

LVD Options

LVD function: enable or disable

SIM Options

SIM Function: enable or disable

SPI S/W CSEN: enable or disable

SPI S/W WCOL: enable or disable

2C Options

2C RNIC: enable or disable

2C debounce time: 0/1/2 system clocks

HT83F40P Datenblatt(PDF) 44 Page - Holtek Semiconductor Inc