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| ATUC128D3_14 Datasheet, PDF (42/69 Pages) ATMEL Corporation – High Performance, Low Power 32-bit AVR | |||
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UC3D
Table 8-6. Normal I/O Pin Characteristics(1)
Symbol Parameter
Condition
Min
Typ
Max
(5)
4
IOL
Output low-level current
VVDD = 3.0V
(6)
8
(5)
4
IOH
Output high-level current VVDD = 3.0V
(6)
8
(5)
VVDD = 3.0V, load =
195
10 pF
(6)
348
FMAX
Output frequency(2)
(5)
VVDD = 3.0V, load =
78
30 pF
(6)
149
tRISE
Rise time(2)
(5)
VVDD = 3.0V, load =
10 pF
(6)
(5)
VVDD = 3.0V, load =
30 pF
(6)
2.21
1.26
5.45
2.88
tFALL
Fall time(2)
(5)
VVDD = 3.0V, load =
10 pF
(6)
(5)
VVDD = 3.0V, load =
30 pF
(6)
2.57
1.44
6.41
3.35
Units
mA
mA
mA
mA
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ILEAK
Input leakage current
Pull-up resistors disabled
(7)
1
µA
2
pF
PA09, PA10
16.5
pF
CIN
Input capacitance,
PA11, PA12, PA18, PA19
18.5
pF
Notes:
PB14, PB15
5
pF
1. VVDD corresponds to either VVDDIN or VVDDIO, depending on the supply for the pin. Refer to Section 3.2 on page 8 for details.
2. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
3. This applies to all normal drive pads except PB13, PB17 and PB18.
4. This applies to PB13, PB17 and PB18 pads only.
5. This applies to all normal drive pad except PA00, PA01, PA02, PA03, PA04, PA05, PA06, PA07, PA08, PA09, PA10, PA11,
PA12, PA13, PA18, PA19, PA27, PA30, PA31, PB13, PB16 and RESET_N.
6. This applies to PA00, PA01, PA02, PA03, PA04, PA05, PA06, PA07, PA08, PA09, PA10, PA11, PA12, PA13, PA18, PA19,
PA27, PA30, PA31, PB13, PB16 and RESET_N pads only.
7. This applies to all normal drive pads except PA09, PA10, PA11, PA12, PA18, PA19, PB14, PB15.
Table 8-7. High-drive I/O Pin Characteristics(1)
Symbol Parameter
Condition
RPULLUP
VIL
VIH
VOL
Pull-up resistance
Input low-level voltage
Input high-level voltage
Output low-level voltage
VVDD = 3.0V
VVDD = 3.6V
VVDD = 3.0V, IOL = 6mA
Min
Typ
Max
Units
9
15
25
kOhm
-0.3
+0.8
V
+2
VVDD + 0.3
V
0.4
V
42
32133Dâ11/2011
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