MCIMX281AVM4B Freescale Semiconductor, MCIMX281AVM4B Datasheet - Page 1028

• 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
13.3.3 DCP Channel Control Register (HW_DCP_CHANNELCTRL)
The DCP Channel Control register provides controls for channel arbitration and channel
enables.
HW_DCP_CHANNELCTRL: 0x020
HW_DCP_CHANNELCTRL_SET: 0x024
HW_DCP_CHANNELCTRL_CLR: 0x028
1028
Reset
CUR_CHANNEL
CHANNELS
OTP_KEY_
RSVD_IRQ
Bit
W
READY_
R
RSVD2
READY
RSVD1
RSVD0
31 29
27 24
23 16
Field
15 9
IRQ
7 4
3 0
28
8
15
0
14
0
Reserved, always set to zero.
When set, indicates that the OTP key has been shifted from the fuse block and is ready for use.
Current (active) channel (encoded).
0x0
0x1
0x2
0x3
0x4
Indicates which channels are ready to proceed with a transfer (active channel also included). Each bit is a
one-hot indicating the request status for the associated channel.
0x01
0x02
0x04
0x08
Reserved, always set to zero.
Reserved, always set to zero.
Reserved, always set to zero.
Indicates which channels have pending interrupt requests. Channel 0's interrupt is routed through the
dcp_vmi_irq and the other interrupt bits are routed through the dcp_irq.
13
0
None —
CH0 —
CH1 —
CH2 —
CH3 —
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
CH0 —
CH1 —
CH2 —
CH3 —
RSVD1
12
0
HW_DCP_STAT field descriptions
11
0
10
0
0
9
RSVD_
IRQ
0
8
Description
0
7
0
6
RSVD0
5
0
4
0
Freescale Semiconductor, Inc.
0
3
0
2
IRQ
0
1
0
0