LM3S5632 Luminary Micro, Inc, LM3S5632 Datasheet - Page 244

• Manufacturer Part Number: LM3S5632
• Description: Lm3s5632 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

General-Purpose Input/Outputs (GPIOs)
Table 10-2. GPIO Interrupt Configuration Example
a. X=Ignored (don’t care bit)
10.3
244
Register
GPIOIS
GPIOIBE
GPIOIEV
GPIOIM
Desired
Interrupt
Event
Trigger
0=Low level,
1=High level,
or negative
0=masked
Register Map
Table 10-3 on page 245 lists the GPIO registers. The offset listed is a hexadecimal increment to the
register’s address, relative to that GPIO port’s base address:
■
■
■
■
■
■
■
■
■
■
Important:
or positive
0=single
masked
0=edge
1=level
1=both
edges
1=not
edge
edge
edge
GPIO Port A (legacy): 0x4000.4000
GPIO Port A (high-speed): 0x4005.8000
GPIO Port B (legacy): 0x4000.5000
GPIO Port B (high-speed): 0x4005.9000
GPIO Port C (legacy): 0x4000.6000
GPIO Port C (high-speed): 0x4005.A000
GPIO Port D (legacy): 0x4000.7000
GPIO Port D (high-speed): 0x4005.B000
GPIO Port E (legacy): 0x4002.4000
GPIO Port E (high-speed): 0x4005.C000
Pin 2 Bit Value
7
The GPIO registers in this chapter are duplicated in each GPIO block, however,
depending on the block, all eight bits may not be connected to a GPIO pad. In those
cases, writing to those unconnected bits has no effect and reading those unconnected
bits returns no meaningful data.
X
X
X
0
6
a
X
X
X
0
5
X
X
X
0
Preliminary
4
X
X
X
0
3
X
X
X
0
2
0
0
1
1
1
X
X
X
0
June 02, 2008
0
X
X
X
0