LM3S317-IQN20-A0T Luminary Micro, Inc., LM3S317-IQN20-A0T Datasheet - Page 369

• Manufacturer Part Number: LM3S317-IQN20-A0T
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

19.2.7
Table 19-13. GPIO Characteristics
a. All GPIOs are 5 V-tolerant.
19.2.8
Table 19-14. Reset Characteristics
a. 20 * t
May 4, 2007
Parameter
Parameter
t
t
GPIOR
GPIOF
R10
R11
No.
R1
R2
R3
R4
R5
R6
R7
R8
R9
MOSC_PER
General-Purpose I/O
Reset
Parameter Name
GPO Rise Time
(from 20% to 80%
of V
GPO Fall Time
(from 80% to 20%
of V
Parameter
T
T
T
T
T
T
T
VDDRISE
IRLDOR
T
T
DD
DD
V
IRHWR
IRSWR
IRWDR
IRPOR
IRBOR
V
POR
BOR
BTH
TH
)
)
Parameter Name
Reset threshold
Brown-Out threshold
Power-On Reset timeout
Brown-Out timeout
Internal reset timeout after POR
Internal reset timeout after BOR
Internal reset timeout after hardware
reset (RST pin)
Internal reset timeout after
software-initiated system reset
Internal reset timeout after watchdog
reset
Internal reset timeout after LDO reset
Supply voltage (V
a
8-mA drive with slew rate control
8-mA drive with slew rate control
a
DD
) rise time (0V-3.3V)
2-mA drive
4-mA drive
8-mA drive
2-mA drive
4-mA drive
8-mA drive
Condition
Preliminary
a
a
a
2.85
Min
2.5
2.5
2.5
2.5
15
15
-
-
-
Min
-
-
Nom
500
2.0
2.9
10
-
-
-
-
-
-
Nom
17
10
17
11
9
6
8
6
LM3S317 Data Sheet
Max
2.95
100
30
20
30
20
20
20
-
-
-
Max
26
13
12
25
12
10
13
9
Unit
ms
ms
ms
ms
µs
µs
µs
µs
µs
Unit
V
V
ns
ns
ns
ns
ns
ns
ns
ns
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