MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 538

• Manufacturer Part Number: MCIMX281AVM4B
• Description: IC MPU I.MX28 1.2 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

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

Programmable Registers
Address:
Re-
7.5.21 APBX DMA Channel 2 Next Command Address Register
The APBX DMA Channel 2 next command address register points to the next multiword
command to be executed. Commands are threaded on the command address. Set CHAIN
to one to process command lists.
APBX DMA Channel 2 is controlled by a variable sized command structure. Software loads
this register with the address of the first command structure to process and increments the
Channel 0 semaphore to start processing. This register points to the next command structure
to be executed when the current command is completed.
Address:
Re-
7.5.22 APBX DMA Channel 2 Command Register (HW_APBX_CH2_CMD)
The APBX DMA Channel 2 command register specifies the cycle to perform for the current
command chain item.
538
set
set
Bit
Bit
W
W
R
R
CMD_ADDR
CMD_ADDR
31
31
0
0
Field
31 0
Field
31 0
30
30
0
0
29
29
0
0
(HW_APBX_CH2_NXTCMDAR)
HW_APBX_CH2_CURCMDAR 8002_4000h base + 1E0h offset = 8002_41E0h
HW_APBX_CH2_NXTCMDAR
28
28
0
0
Pointer to command structure currently being processed for channel 2.
Pointer to next command structure for channel 2.
27
27
0
0
26
26
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
25
0
0
HW_APBX_CH2_CURCMDAR field descriptions
HW_APBX_CH2_NXTCMDAR field descriptions
24
24
0
0
23
23
0
0
22
22
0
0
21
21
0
0
20
20
0
0
8002_4000h base + 1F0h offset = 8002_41F0h
19
19
0
0
18
18
0
0
17
17
CMD_ADDR
0
CMD_ADDR
0
16
16
0
0
15
15
0
0
Description
Description
14
14
0
0
13
13
0
0
12
12
0
0
11
11
0
0
10
10
0
0
0
0
9
9
0
0
8
8
Freescale Semiconductor, Inc.
0
0
7
7
0
0
6
6
0
0
5
5
0
0
4
4
3
0
3
0
0
0
2
2
0
0
1
1
0
0
0
0