MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1364
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: 1364 of 2327
- Download datasheet (17Mb)
Programmable Registers
19.4.2 DIGCTL Status Register (HW_DIGCTL_STATUS)
The DIGCTL Status Register provides a read-only view to various input conditions and
internal states.
HW_DIGCTL_STATUS: 0x010
HW_DIGCTL_STATUS_SET: 0x014
HW_DIGCTL_STATUS_CLR: 0x018
HW_DIGCTL_STATUS_TOG: 0x01C
EXAMPLE
1364
USB0_CLKGATE
JTAG_SHIELD
ENTROPY
LATCH_
Field
2
1
0
if(HW_DIGCTL_STATUS.PACKAGE_TYPE)
{
}
// do 100-pin package things
This bit must be cleared to 0 for normal operation of the USB controller. When set to 1, it gates off the
clocks to the USB controller. USB_CLKGATE can be set during suspend to gate the USB clock during
suspend. If this is gated, then the USB controller Reset Received bit (HW_USBCTRL_USBSTS_URI)
should be not be polled for reset during suspend; use the HW_USBPHY_CTRL_RESUME_IRQ bit instead.
This bit can be hardware auto cleared when wakeup from suspend happens
0x0
0x1
0 = The JTAG debugger is enabled.
1 = The JTAG debugger is disabled.
0x0
0x1
Setting this bit latches the current value of the entropy register into HW_DIGCTL_ENTROPY_VALUE. This
can be used get a stable value on players that do not deassert the PSWITCH while powered up.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
RUN — Allow USB to operate normally.
NO_CLKS — Do not clock USB gates in order to minimize power consumption.
NORMAL — JTAG debugger enabled.
SHIELDS_UP — JTAG debugger disabled.
HW_DIGCTL_CTRL field descriptions (continued)
Description
Freescale Semiconductor, Inc.
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