MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1717
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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26.4.93 ENET MAC IEEE1588 Clock period of the timestamping clock
(HW_ENET_MAC_ATIME_INC)
Address:
Freescale Semiconductor, Inc.
Reset
Reset
ATIME_CORR
Bit
Bit
W
W
RSRVD0
R
R
Field
30 0
31
15
31
0
0
HW_ENET_MAC_ATIME_INC
0414h
(ts_clk) in nanoseconds and correction increment Register
14
30
0
0
Reserved bits. Write as 0.
Correction counter wrap around value.
Correction period. Defines after how many clock cycles (ts_clk) the correction counter should be reset and
trigger a correction increment on the timer.
The amount of correction is defined in ATIME_INC(12:8) (see below). E.g. setting the increment amount to
zero will stop the timer for one clock cycle, slowing it down. Larger values can be used to speed up the timer.
A value of 0 disables the counter and no corrections will occur.
Note: This value is given in clock cycles, not in nanoseconds as all other values.
13
29
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
HW_ENET_MAC_ATIME_CORR field descriptions
12
28
0
0
11
27
0
0
10
26
800F_0000h base + 414h offset = 800F_
0
0
25
0
0
9
ATIME_CORR[15:0]
RSRVD0[31:16]
24
0
0
8
Description
23
0
0
7
22
0
0
6
21
5
0
0
Chapter 26 Ethernet Controller (ENET)
20
4
0
0
19
0
0
3
18
0
0
2
17
0
0
1
1717
16
0
0
0
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