 English |
|
|
|
|
|
|
|
| ATXMEGA128B1 Datasheet, PDF (73/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller | |||
| |||
| ◁ |
36.5
I/O Pin Characteristics
The I/O pins complies with the JEDEC LVTTL and LVCSMOS specification and the high- and low level input and output
voltage limits reflect or exceed this specification.
Table 36-7. I/O Pin Characteristics.
Symbol
(1)IOH/
(2)IOL
Parameter
I/O pin source/sink current
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VOL
Output Low Voltage GPIO
VOH
Output High Voltage GPIO
IIN
RP
RRST
(3)tr
Input Leakage Current I/O pin
Pull/Buss keeper Resistor
Reset pin Pull-up Resistor
Rise time
Condition
VCC = 3.0 - 3.6V
VCC = 2.3 - 2.7V
VCC = 1.6 - 2.3V
VCC = 3.0 - 3.6V
VCC = 2.3 - 2.7V
VCC = 1.6 - 2.3V
VCC = 3.3V
VCC = 3.0V
VCC = 1.8V
VCC = 3.3V
VCC = 3.0V
VCC = 1.8V
IOL = 15mA
IOL = 10mA
IOL = 5mA
IOH = -8mA
IOH = -6mA
IOH = -2mA
Min
-20
0.6*VCC
0.6*VCC
0.6*VCC
-0.3
-0.3
-0.3
2.6
2.1
1.4
No load
slew rate limitation
Typ
0.4
0.26
0.17
2.8
2.6
1.6
<0.01
25
25
4
7
Max
Units
20
mA
VCC+0.3
VCC+0.3
VCC+0.3
0.4*VCC
0.4*VCC
0.4*VCC
V
0.76
0.64
0.46
1
µA
kï
ns
Notes:
1. The sum of all IOH for PORTA and PORTB must not exceed 100mA.
The sum of all IOH for PORTC, PORTD, PORTE and PDI must for each port not exceed 200mA
TThe sum of all IOH for PORTG and PORTM must not exceed 100mA.
The sum of all IOH for PORTR must not exceed 100mA.
2. The sum of all IOL for PORTA and PORTB must not exceed 100mA.
The sum of all IOL for PORTC, PORTD, PORTE must for each port not exceed 200mA.
The sum of all IOL for PORTG and PORTM must not exceed 100mA.
The sum of all IOL PORTR must not exceed 100mA.
3. From design simulations
XMEGA B1 [DATASHEET] 73
8330CâAVRâ07/2012
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese