MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1487
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: 1487 of 2327
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required,
Address:
Freescale Semiconductor, Inc.
Reset
Reset
RTC_PRESENT
this chip
WATCHDOG_
XTAL32000_
XTAL32768_
PRESENT
PRESENT
PRESENT
PRESENT
Bit
Bit
W
W
ALARM_
R
R
Field
31
30
29
28
27
31
15
1
0
HW_RTC_STAT
30
14
1
0
}
if(HW_RTC_STAT.WATCHDOG_PRESENT != 0) // then you can use the watchdog timer on
This read-only bit reads back a one if the RTC is present in the device.
This read-only bit reads back a one if the Alarm function is present in the device.
This read-only bit reads back a one if the Watchdog Timer function is present in the device.
This read-only bit reads back a one if the 32.000-kHz crystal oscillator function is present in the device.
This read-only bit reads back a one if the 32.768-kHz crystal oscillator function is present in the device.
printf(" something is stale in one of the digital side registers\n");
// the copy controller will copy analog registers to digtial registers as
// turning off staleregs bits as it goes about its business.
29
13
1
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
NEW_REGS
28
12
0
0
8005_6000h base + 10h offset = 8005_6010h
HW_RTC_STAT field descriptions
27
11
0
0
26
10
0
0
RSVD1
25
0
0
9
Chapter 22 Real-Time Clock Alarm Watchdog Persistent Bits
24
0
0
8
Description
23
1
0
7
22
1
0
6
21
1
5
0
STALE_REGS
20
1
4
0
RSVD0
19
1
0
3
18
1
0
2
17
1
0
1
1487
16
1
0
0
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