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ATmega324P Datasheet(PDF) 329 Page - ATMEL Corporation |
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ATmega324P Datasheet(HTML) 329 Page - ATMEL Corporation |
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329 / 377 page  329 7674F–AVR–09/09 ATmega164P/324P/644P 26.1 DC Characteristics Note: 1. "Max" means the highest value where the pin is guaranteed to be read as low 2. "Min" means the lowest value where the pin is guaranteed to be read as high 3. Although each I/O port can sink more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady state conditions (non-transient), the following must be observed: 1.)The sum of all IOL, for ports A0-A7, G2, C4-C7 should not exceed 100 mA. 2.)The sum of all IOL, for ports C0-C3, G0-G1, D0-D7 should not exceed 100 mA. 3.)The sum of all IOL, for ports G3-G5, B0-B7, E0-E7 should not exceed 100 mA. 4.)The sum of all IOL, for ports F0-F7 should not exceed 100 mA. If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition. 4. Although each I/O port can source more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady state conditions (non-transient), the following must be observed: 1)The sum of all IOH, for ports A0-A7, G2, C4-C7 should not exceed 100 mA. 2)The sum of all IOH, for ports C0-C3, G0-G1, D0-D7 should not exceed 100 mA. 3)The sum of all IOH, for ports G3-G5, B0-B7, E0-E7 should not exceed 100 mA. T A = -40° C to 125° C, VCC = 2.7V to 5.5V (unless otherwise noted) Symbol Parameter Condition Min. Typ. Max. Units VIL Input Low Voltage,Except XTAL1 and Reset pin VCC = 2.7V - 5.5V -0.5 0.3VCC (1) V VIL1 Input Low Voltage, XTAL1 pin VCC = 2.7V - 5.5V -0.5 0.1VCC (1) V VIL2 Input Low Voltage, RESET pin V CC = 2.7V - 5.5V -0.5 0.3V CC (1) V VIH Input High Voltage, Except XTAL1 and RESET pins VCC = 2.7V - 5.5V 0.6VCC (2) VCC + 0.5 V VIH1 Input High Voltage, XTAL1 pin V CC = 2.7V - 5.5V 0.7V CC (2) V CC + 0.5 V VIH2 Input High Voltage, RESET pin VCC = 2.7V - 5.5V 0.9VCC (2) VCC + 0.5 V VOL Output Low Voltage(3), IOL = 20 mA, VCC = 5V IOL = 5 mA, VCC = 3V 0.8 0.5 V VOH Output High Voltage(4), IOH = -20 mA, VCC = 5V IOH = -10 mA, VCC = 3V 4.1 2.3 V IIL Input Leakage Current I/O Pin V CC = 5.5V, pin low (absolute value) 1µA IIH Input Leakage Current I/O Pin VCC = 5.5V, pin high (absolute value) 1µA RRST Reset Pull-up Resistor 30 60 k Ω RPU I/O Pin Pull-up Resistor 20 50 k Ω VACIO Analog Comparator Input Offset Voltage VCC = 5V Vin = VCC/2 <10 40 mV IACLK Analog Comparator Input Leakage Current VCC = 5V Vin = VCC/2 -50 50 nA tACID (5) Analog Comparator Propagation Delay VCC = 2.7V VCC = 4.0V 750 500 ns |
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