MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1766
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: 1766 of 2327
- Download datasheet (17Mb)
Programmable Registers
27.5.8 I2C Queue Status Register. (HW_I2C_QUEUESTAT)
This register exposes the state of the internal read and write queues used in PIO Queue
mode.
HW_I2C_QUEUESTAT: 0x070
HW_I2C_QUEUESTAT_SET: 0x074
HW_I2C_QUEUESTAT_CLR: 0x078
HW_I2C_QUEUESTAT_TOG: 0x07C
This information can be useful during debug or by the CPU during normal operation.
Address:
1766
Reset
Reset
WR_QUEUE_
Bit
Bit
W
W
IRQ_EN
R
R
Field
RSVD2
[15:15]
0
31
15
0
0
HW_I2C_QUEUESTAT
30
14
0
0
Set this bit to one to enable receiving interrupts from the WR_QUEUE_IRQ source to the interrupt collector.
Set to zero to disable interrupts from the I2C controller.
0x0
0x1
29
13
0
1
HW_I2C_QUEUECTRL field descriptions (continued)
DISABLED — Interrupt source disabled.
ENABLED — Interrupt source enabled.
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
28
12
0
0
RD_QUEUE_CNT
27
11
0
0
8005_8000h base + 70h offset = 8005_8070h
26
10
0
0
25
0
0
9
RSVD2[31:16]
24
0
0
8
Description
23
0
0
7
22
0
0
6
21
0
5
1
20
0
4
0
Freescale Semiconductor, Inc.
WR_QUEUE_CNT
19
0
0
3
18
0
0
2
17
0
0
1
16
0
0
0
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