MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 828
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: 828 of 2327
- Download datasheet (17Mb)
Programmable Registers
9.4.75 PINCTRL Bank 2 Interrupt Polarity Register
The PINCTRL Bank 2 Interrupt Polarity Register selects the polarity for interrupt requests
for the pins in bank 2.
HW_PINCTRL_IRQPOL2: 0x1320
HW_PINCTRL_IRQPOL2_SET: 0x1324
HW_PINCTRL_IRQPOL2_CLR: 0x1328
HW_PINCTRL_IRQPOL2_TOG: 0x132C
This register selects the polarity for interrupt generation. Each pin in bank 2 which is
configured for interrupt generation can be independently set to interrupt on low level, high
level, rising edge, or falling edge by setting this register and HW_PINCTRL_IRQLEVEL2
(see above) appropriately.
Address:
Re-
828
set
Bit
W
R
31
RSRVD1
0
IRQPOL
IRQPOL
31 28
Field
31 0
RSRVD1
Field
27 0
30
0
29
0
(HW_PINCTRL_IRQPOL2)
HW_PINCTRL_IRQPOL2
28
0
Each bit in this register corresponds to one of the 32 pins in bank 1:
0= Low or falling edge;
1= High or rising edge.
Empty Description.
Each bit in this register corresponds to one of the 28 pins in bank 2:
0= Low or falling edge;
1= High or rising edge.
27
0
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
24
0
HW_PINCTRL_IRQPOL1 field descriptions
HW_PINCTRL_IRQPOL2 field descriptions
23
0
22
0
21
8001_8000h base + 1320h offset = 8001_9320h
0
20
0
19
0
18
0
17
0
16
0
15
0
Description
Description
IRQPOL
14
0
13
0
12
0
11
0
10
0
0
9
0
8
Freescale Semiconductor, Inc.
0
7
0
6
0
5
0
4
3
0
0
2
0
1
0
0
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