MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 685
MCIMX286CVM4B
Manufacturer Part Number
MCIMX286CVM4B
Description
IC MPU I.MX286 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(70 pages)
2.MCIMX283DVM4B.pdf
(2 pages)
3.MCIMX283DVM4B.pdf
(2327 pages)
4.MCIMX283DVM4B.pdf
(20 pages)
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
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9.2.3.2 Input Operation
Digital pins in Banks 0~4 may be used as a GPIO input by programming its
HW_PINCTRL_MUXSELx field to 3 to enable GPIO mode, programming its
HW_PINCTRL_DOEx field to 0 to disable output, and then reading from the
HW_PINCTRL_DINx register, as shown in the figure below. Note that because of clock
synchronization issues, the logic levels read from the HW_PINCTRL_DINx registers are
delayed from the pins by several APBX clock cycles.
Freescale Semiconductor, Inc.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Figure 9-2. GPIO Output Setup Flowchart
register bit to enable the data value to
register bit to change the value driven
Re-write the HW_PINCTRL_DOUTx
register bit to set the output value to
Write to HW_PINCTRL_MUXSELx
register bit to select pin as GPIO.
Write to HW_PINCTRL_DRIVEx
Write to HW_PINCTRL_DOUTx
Write to HW_PINCTRL_DOEx
register bit to set current drive
strength. Set bits in
HW_PINCTRL_PULLx as
required to enable pullups.
be driven on the pin.
drive on the pin.
on the pin.
Begin
End
Chapter 9 Pin Control and GPIO (PinCtrl)
685
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