ATtiny13
Figure 19-36. Reset Pin as I/O - Sink Current vs. Output Voltage (VCC = 1.8V)
RESET PIN AS I/O - SINK CURRENT vs. OUTPUT VOLTAGE
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VCC = 1.8V |
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1.6 |
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1.4 |
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-40 ˚C |
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1.2 |
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25 ˚C |
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1 |
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85 ˚C |
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(mA) |
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0.8 |
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OL |
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I |
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0.6 |
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0.4 |
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0.2 |
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0 |
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0 |
0.2 |
0.4 |
0.6 |
0.8 |
1 |
1.2 |
1.4 |
1.6 |
1.8 |
2 |
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VOL (V) |
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19.6Pin Thresholds and Hysteresis
Figure 19-37. I/O Pin Input Threshold Voltage vs. VCC (VIH, I/O Pin Read as '1')
I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC
VIH, IO PIN READ AS '1'
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3 |
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85 |
˚C |
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2.5 |
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25 |
˚C |
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-40 |
˚C |
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(V) |
2 |
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Threshold |
1.5 |
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1 |
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0.5 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
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VCC (V)
141
2535J–AVR–08/10
Figure 19-38. I/O Pin Input Threshold Voltage vs. VCC (VIL, I/O Pin Read as '0')
I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC
VIL, IO PIN READ AS '0'
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3 |
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85 |
˚C |
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2.5 |
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25 |
˚C |
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-40 |
˚C |
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(V) |
2 |
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Threshold |
1.5 |
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1 |
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0.5 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
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VCC (V)
Figure 19-39. I/O Pin Input Hysteresis vs. VCC
I/O PIN INPUT HYSTERESIS vs. VCC
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0.45 |
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0.4 |
-40 ºC |
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0.35 |
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(V) |
0.3 |
25 ºC |
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Hysteresis |
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0.25 |
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0.2 |
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85 ºC |
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Input |
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0.15 |
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0.1 |
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0.05 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
142 ATtiny13
2535J–AVR–08/10
ATtiny13
Figure 19-40. Reset Pin as I/O - Input Threshold Voltage vs. VCC (VIH, Reset Pin Read as '1')
RESET PIN AS I/O - THRESHOLD VOLTAGE vs. VCC
VIH, IO PIN READ AS '1'
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3 |
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2.5 |
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(V) |
2 |
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-40 ˚C |
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Threshold |
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1.5 |
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25 ˚C |
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1 |
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85 ˚C |
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0.5 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
Figure 19-41. Reset Pin as I/O - Input Threshold Voltage vs. VCC (VIL, Reset Pin Read as '0')
RESET PIN AS I/O - THRESHOLD VOLTAGE vs. VCC
VIL, IO PIN READ AS '0'
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2.5 |
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2 |
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(V) |
1.5 |
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Threshold |
1 |
85 |
˚C |
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25 |
˚C |
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0.5 |
-40 |
˚C |
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0 |
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1.5 |
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2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
143
2535J–AVR–08/10
Figure 19-42. Reset Pin as I/O - Pin Hysteresis vs. VCC
RESET PIN AS IO - PIN HYSTERESIS vs. VCC
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0.7 |
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0.6 |
-40 |
ºC |
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(V) |
0.5 |
25 |
ºC |
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Input Hysteresis |
0.4 |
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85 |
ºC |
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0.3 |
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0.2 |
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0.1 |
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0 |
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1.5 |
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2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
Figure 19-43. Reset Input Threshold Voltage vs. VCC (VIH, Reset Pin Read as '1')
RESET INPUT THRESHOLD VOLTAGE vs. VCC
VIH, IO PIN READ AS '1'
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2.5 |
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2 |
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(V) |
1.5 |
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Threshold |
-40 ˚C |
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1 |
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85 ˚C |
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25 ˚C |
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0.5 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
144 ATtiny13
2535J–AVR–08/10
ATtiny13
Figure 19-44. Reset Input Threshold Voltage vs. VCC (VIL, Reset Pin Read as '0')
RESET INPUT THRESHOLD VOLTAGE vs. VCC
VIL, IO PIN READ AS '0'
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2.5 |
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2 |
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(V) |
1.5 |
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Threshold |
1 |
85 ˚C |
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0.5 |
25 ˚C |
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-40 ˚C |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
Figure 19-45. Reset Input Pin Hysteresis vs. VCC
RESET INPUT THRESHOLD VOLTAGE vs. VCC
VIL, IO PIN READ AS '0'
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0.5 |
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-40 ºC |
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0.4 |
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(V) |
0.3 |
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Threshold |
85 ºC |
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0.2 |
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25 ºC |
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0.1 |
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0 |
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1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
VCC (V)
145
2535J–AVR–08/10