MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 2256
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
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Programmable Registers
37.5.4 HSADC Sequence Samples Number Register
The HSADC Sequence Samples Number Register specifies the number of samples in one
sequence.
HW_HSADC_SEQUENCE_SAMPLES_NUM: 0x030
HW_HSADC_SEQUENCE_SAMPLES_NUM_SET: 0x034
HW_HSADC_SEQUENCE_SAMPLES_NUM_CLR: 0x038
HW_HSADC_SEQUENCE_SAMPLES_NUM_TOG: 0x03C
This register specifies the number of samples in one sequence.
EXAMPLE
Address:
Re-
37.5.5 HSADC Sequence Number Register
The HSADC Sequence Number Register specifies the number of sequence needed to be
converted.
HW_HSADC_SEQUENCE_NUM: 0x040
HW_HSADC_SEQUENCE_NUM_SET: 0x044
2256
set
Bit
SAMPLES_NUM
W
R
SEQUENCE_
HW_HSADC_SEQUENCE_SAMPLES_NUM_WR(0x0000001f);
31
0
Field
31 0
30
0
29
0
(HW_HSADC_SEQUENCE_SAMPLES_NUM)
(HW_HSADC_SEQUENCE_NUM)
HW_HSADC_SEQUENCE_SAMPLES_NUM
8000_2030h
28
0
Number of samples in one sequence. 0 means infinite samples. Note that when set to 0,the ADC can only
be stopped by software disabling.Take effect when hsadc_run is asserted.
HW_HSADC_SEQUENCE_SAMPLES_NUM field descriptions
27
0
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
24
0
23
0
22
0
21
0
20
0
SEQUENCE_SAMPLES_NUM
19
0
18
0
17
0
16
0
8000_2000h base + 30h offset =
15
0
Description
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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