MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1497
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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22.8.11 Persistent State Register 4 (HW_RTC_PERSISTENT4)
The 32-bit persistent registers are used to retain certain control states during chip-wide
power-down states.
HW_RTC_PERSISTENT4: 0x0A0
HW_RTC_PERSISTENT4_SET: 0x0A4
HW_RTC_PERSISTENT4_CLR: 0x0A8
HW_RTC_PERSISTENT4_TOG: 0x0AC
The register initalizes to a known reset pattern. The copy controller overwrites this digital
reset value very soon after power on but not in zero time.
EXAMPLE
Address:
Re-
22.8.12 Persistent State Register 5 (HW_RTC_PERSISTENT5)
The 32-bit persistent registers are used to retain certain control states during chip-wide
power-down states.
Freescale Semiconductor, Inc.
set
Bit
W
analog side via the copy controller
R
GENERAL
GENERAL
31
0
Field
31 0
Field
31 0
30
0
29
0
HW_RTC_PERSISTENT4
28
0
HW_RTC_PERSISTENT4_WR(0x12345678); // this write will ultimately push data to the
FIRMWARE/SOFTWARE
FIRMWARE/SOFTWARE
27
0
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
0
24
0
HW_RTC_PERSISTENT3 field descriptions
HW_RTC_PERSISTENT4 field descriptions
23
0
22
0
21
0
8005_6000h base + A0h offset = 8005_60A0h
20
0
19
0
18
0
17
0
GENERAL
Chapter 22 Real-Time Clock Alarm Watchdog Persistent Bits
16
0
15
0
Description
Description
14
0
13
0
12
0
11
0
10
0
0
9
0
8
0
7
0
6
0
5
0
4
3
0
0
2
0
1
1497
0
0
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