MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2250
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: 2250 of 2327
- Download datasheet (17Mb)
Programmable Registers
HW_HSADC_CTRL0: 0x000
HW_HSADC_CTRL0_SET: 0x004
HW_HSADC_CTRL0_CLR: 0x008
HW_HSADC_CTRL0_TOG: 0x00C
The HSADC Control and Status Register specifies the reset state, trigger sources, and
software enable,etc.
EXAMPLE
Address:
2250
Reset
Reset
HW_HSADC_CTRL0_WR(0x0000001f);
TRIGGER_
CLKGATE
Bit
Bit
SOURCE
W
W
SFTRST
R
R
29 28
Field
31
30
31
15
1
0
HW_HSADC_CTRL0
SHIFT_BITS_NUM
30
14
ADC_SAMPLE_
1
0
This bit must be cleared to 0 for normal operation. When set to 1, it forces a block-wide reset.
This bit must be cleared to 0 for normal operation. When set to 1, it gates off the clocks to the block.
This bit field specifies the trigger mode of ADC.Take effect when hsadc_run is asserted.
00: ADC is triggered by the software.
01: ADC is triggered by the PWM trigger signal.
10: ADC is triggered by the input signal from outside the chip.
TRIGGER_
SOURCE
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
28
12
0
0
HW_HSADC_CTRL0 field descriptions
8000_2000h base + 0h offset = 8000_2000h
27
11
0
0
26
10
0
0
RSRVD0
25
0
0
9
24
RSRVD1
0
0
8
Description
23
0
0
7
22
0
1
6
21
0
5
0
TRIGGER_DELAY_CYCLES
DISCARD
20
0
4
0
Freescale Semiconductor, Inc.
19
0
0
3
PRECISION
SAMPLE_
18
0
0
2
ADC_
17
0
0
1
16
0
0
0
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