MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1491
MCIMX286CVM4B
Manufacturer Part Number
MCIMX286CVM4B
Description
IC MPU I.MX286 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(70 pages)
2.MCIMX283DVM4B.pdf
(2 pages)
3.MCIMX283DVM4B.pdf
(2327 pages)
4.MCIMX283DVM4B.pdf
(20 pages)
Specifications of MCIMX286CVM4B
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
Compliant
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Address:
Re-
22.8.6 Watchdog Timer Register (HW_RTC_WATCHDOG)
The 32-bit watch dog timer can be used to reset the chip if enabled and not adequately
serviced.
HW_RTC_WATCHDOG: 0x050
HW_RTC_WATCHDOG_SET: 0x054
HW_RTC_WATCHDOG_CLR: 0x058
HW_RTC_WATCHDOG_TOG: 0x05C
The 32-bit watchdog timer will reset the chip upon decrementing to zero, if this function is
enabled and present on the chip. The 1-kHz source is based on a msec pulse from RTC
analog which is derived from the 24-MHz crystal oscillator and hence does not vary when
the APBX clock is changed.
EXAMPLE
Address:
Re-
Freescale Semiconductor, Inc.
set
set
Bit
Bit
W
W
chip
R
R
31
31
0
1
VALUE
Field
31 0
30
30
0
1
29
29
0
1
HW_RTC_ALARM
HW_RTC_WATCHDOG
28
28
0
1
HW_RTC_WATCHDOG_WR(10000);
Seconds match-value used to trigger assertion of the RTC alarm.
27
27
0
1
26
26
0
1
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
25
0
1
24
24
0
1
23
23
0
1
8005_6000h base + 40h offset = 8005_6040h
HW_RTC_ALARM field descriptions
22
22
0
1
8005_6000h base + 50h offset = 8005_6050h
21
21
0
1
20
20
0
1
19
19
0
1
18
18
0
1
// reload the watchdog and keep it from resetting the
17
17
0
1
COUNT
VALUE
Chapter 22 Real-Time Clock Alarm Watchdog Persistent Bits
16
16
0
1
15
15
0
1
Description
14
14
0
1
13
13
0
1
12
12
0
1
11
11
0
1
10
10
0
1
0
1
9
9
0
1
8
8
0
1
7
7
0
1
6
6
0
1
5
5
0
1
4
4
3
0
3
1
0
1
2
2
0
1
1
1
1491
0
1
0
0
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