MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 687

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• 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: Compliant

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