MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1538
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: 1538 of 2327
- Download datasheet (17Mb)
Programmable Registers
Address:
Re-
24.3.6 UART Fractional Baud Rate Divisor Register
The FBRD register is the fractional part of the baud rate divisor value.
Address:
1538
set
Reset
Reset
Bit
BAUD_DIVFRAC
W
R
UNAVAILABLE
UNAVAILABLE
BAUD_DIVINT
Bit
Bit
Reserved
31
W
W
0
R
R
31 16
Field
15 0
Field
31 8
7 6
5 0
30
0
31
15
0
0
29
0
(HW_UARTDBG_FBRD)
HW_UARTDBG_FBRD
HW_UARTDBG_IBRD
28
0
30
14
0
0
The UART IP only implements 16 and 8-bit registers, so the top 2 or 3 bytes of every 32-bit register are
always unavailable.
Baud Rate Integer [15:0]. The integer baud rate divisor.
The UART IP only implements 16 and 8-bit registers, so the top 2 or 3 bytes of every 32-bit register are
always unavailable.
This bitfield is reserved.
Not documented.
Baud Rate Fraction [5:0]. The fractional baud rate divisor.
27
0
26
0
29
13
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
UNAVAILABLE[15:8]
UNAVAILABLE
25
0
24
0
28
12
0
0
HW_UARTDBG_FBRD field descriptions
HW_UARTDBG_IBRD field descriptions
23
0
22
0
27
11
0
0
8007_4000h base + 24h offset = 8007_4024h
8007_4000h base + 28h offset = 8007_4028h
21
0
20
0
26
10
0
0
19
0
18
25
0
0
0
9
UNAVAILABLE[31:16]
17
0
16
24
0
0
0
8
15
0
Description
Description
RESERVED
23
14
0
0
0
7
13
0
22
12
0
0
6
0
11
0
21
0
5
0
10
0
BAUD_DIVINT
0
9
20
0
4
0
0
8
BAUD_DIVFRAC
Freescale Semiconductor, Inc.
0
7
19
0
0
3
0
6
0
5
18
0
0
2
0
4
3
0
17
0
0
1
0
2
0
1
16
0
0
0
0
0
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