MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 687
MCIMX281AVM4B
Manufacturer Part Number
MCIMX281AVM4B
Description
IC MPU I.MX28 1.2 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(2327 pages)
2.MCIMX283DVM4B.pdf
(20 pages)
3.MCIMX281AVM4B.pdf
(72 pages)
Specifications of MCIMX281AVM4B
Core Processor
ARM9
Core Size
32-Bit
Speed
454MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, LCD, POR, PWM, WDT
Program Memory Size
128KB (32K x 32)
Program Memory Type
Mask ROM
Ram Size
32K x 32
Voltage - Supply (vcc/vdd)
1.25 V ~ 5.25 V
Data Converters
A/D 17x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
289-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
- Current page: 687 of 2327
- Download datasheet (17Mb)
The figure below shows the logic diagram for the interrupt-generation circuit.
Freescale Semiconductor, Inc.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Figure 9-4. GPIO Interrupt Flowchart
HW_PINCTRL_IRQSTATx register bit
Write to HW_PINCTRL_IRQLEVELx
signal back to the Interrupt collector.
register bit to enable as an interrupt
Write to HW_PINCTRL_PIN2IRQx
Write to HW_PINCTRL_IRQPOLx
register bit to set high or low logic
Write zero to HW_PINCTRL_DOEx
register bit to ensure pin is selected
register bit to enable the interrupt
Write to HW_PINCTRL_IRQENx
Write to HW_PINCTRL_MUXSELx
register bit to select pin as GPIO.
HW_PINCTRL_PULLx to enable
register bit to set level or edge
internal pull-up resistors.
If applicable, set bits in
to clear interrupts.
Write zero to
assertion.
assertion.
as an input.
Begin
End
pin.
Chapter 9 Pin Control and GPIO (PinCtrl)
687
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