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HT48F06E Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT48F06E Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 69 page  HT48F30E Pin Name I/O Configuration Option Description PA0~PA7 I/O Pull-high Wake-up Schmitt Trigger Bidirectional 8-bit input/output port. Each pin can be configured as a wake-up input by configuration option. Software instructions determine if the pin is a CMOS output or input. Configuration options determine if all pins on this port have pull-high resistors and if the inputs are Schmitt Trigger or non-Schmitt Trigger. PB0/BZ PB1/BZ PB2~PB7 I/O Pull-high I/O or BZ/BZ Bidirectional 8-bit input/output port. Software instructions determine if the pin is a CMOS output or Schmitt Trigger input. A configuration option determines if all pins on this port have pull-high resistors. Pins PB0 and PB1 are pin-shared with BZ and BZ, respectively. PC0/TMR PC1~PC5 I/O Pull-high Bidirectional 6-bit input/output port. Software instructions determine if the pin is a CMOS output or Schmitt Trigger input. A configuration option determines if all pins on this port have pull-high resistors. PC0 is pin-shared with external timer pin TMR. PG0/INT I/O Pull-high Bidirectional 1-bit input/output port. Software instructions determine if the pin is a CMOS output or Schmitt Trigger input. A configuration option determines if the pin has a pull-high resistor. PG0 is pin-shared with external interrupt pin INT. OSC1 OSC2 I O Crystal or RC OSC1, OSC2 are connected to an external RC network or external crystal, determined by configuration option, for the internal system clock. If the RC system clock option is selected, pin OSC2 can be used to measure the sys- tem clock at 1/4 frequency. RES I ¾ Schmitt Trigger reset input. Active low. VDD ¾¾ Positive power supply VSS ¾¾ Negative power supply, ground Note: 1. Each pin on PA can be programmed through a configuration option to have a wake-up function. 2. Individual pins cannot be selected to have pull-high resistors. If the pull-high configuration is chosen for a particular port, then all input pins on this port will be connected to pull-high resistors. 3. Pins PC1 and PC3~PC5 only exist on the 28-pin package. On the 24-pin package, these pins are not available. Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40°Cto85°C IOL Total ..............................................................150mA IOH Total............................................................ -100mA Total Power Dissipation .....................................500mW Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. HT48F06E/HT48F10E/HT48F30E Rev. 1.00 4 September 10, 2007 |
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