MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 404

• 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
This register allows debug visibility of the APBH DMA Channel 3.
Address:
Re-
6.5.36 APBH DMA Channel 4 Current Command Address Register
The APBH DMA Channel 4 current command address register points to the multiword
command that is currently being executed. Commands are threaded on the command address.
APBH DMA Channel 4 is controlled by a variable sized command structure. This register
points to the command structure currently being executed.
Address:
Re-
404
set
set
Bit
Bit
W
W
R
R
AHB_BYTES
APB_BYTES
CMD_ADDR
31
31
0
0
31 16
Field
15 0
Field
31 0
30
30
0
0
29
29
0
0
(HW_APBH_CH4_CURCMDAR)
HW_APBH_CH3_DEBUG2
HW_APBH_CH4_CURCMDAR 8000_4000h base + 2C0h offset = 8000_42C0h
28
28
0
0
This value reflects the current number of APB bytes remaining to be transfered in the current transfer.
This value reflects the current number of AHB bytes remaining to be transfered in the current transfer.
Pointer to command structure currently being processed for channel 4.
27
27
0
0
26
26
0
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
25
APB_BYTES
0
0
HW_APBH_CH4_CURCMDAR field descriptions
24
24
HW_APBH_CH3_DEBUG2 field descriptions
0
0
23
23
0
0
22
22
0
0
21
21
0
0
8000_4000h base + 2B0h offset = 8000_42B0h
20
20
0
0
19
19
0
0
18
18
0
0
17
17
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
AHB_BYTES
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