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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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HT46R22 Datenblatt(PDF) 4 Page - Holtek Semiconductor Inc |
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HT46R22 Datenblatt(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 46 page  Pad Name I/O Options Description PD0/PWM I/O Pull-high I/O or PWM Bidirectional 1-bit input/output port. Software instructions deter- mine the CMOS output, Schmitt trigger input with or without a pull-high resistor (determined by pull-high option: port option). The PWM output function is pin-shared with PD0 (dependent on PWM optios). RES I ¾ Schmitt trigger reset input. Active low. VDD ¾¾ Positive power supply OSC1 OSC2 I O Crystal or RC OSC1, OSC2 are connected to an RC network or a Crystal (de- termined by options) for the internal system clock. In the case of RC operation, OSC2 is the output terminal for 1/4 system clock. TEST1 TEST2 TEST3 I ¾ TEST mode input pin It disconnects in normal operation Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+5.5V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40°Cto85°C 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 reliabil- ity. D.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD1 Operating Voltage ¾ fSYS=4MHz 2.2 ¾ 5.5 V VDD2 Operating Voltage ¾ fSYS=8MHz 4.5 ¾ 5.5 V IDD1 Operating Current (Crystal OSC) 3V No load, fSYS=4MHz ADC disable ¾ 0.6 1.5 mA 5V ¾ 24 mA IDD2 Operating Current (RC OSC) 3V No load, fSYS=4MHz ADC disable ¾ 0.8 1.5 mA 5V ¾ 2.5 4 mA IDD3 Operating Current 5V No load, fSYS=8MHz ADC disable ¾ 35 mA IADC Only ADC Enable, Others Disable 3V No load ¾ 0.5 1 mA 5V ¾ 1.5 3 mA ISTB1 Standby Current (WDT Enabled) 3V No load, system HALT ¾¾ 5 mA 5V ¾¾ 10 mA ISTB2 Standby Current (WDT Disabled) 3V No load, system HALT ¾¾ 1 mA 5V ¾¾ 2 mA VAD A/D Input Voltage ¾¾ 0 ¾ VDD V VIL1 Input Low Voltage for I/O Ports, TMR and INT 3V ¾ 0 ¾ 0.3VDD V 5V ¾ 0 ¾ 0.3 V HT46R22/HT46C22 Rev. 1.10 4 October 2, 2002 |
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