MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 999

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• 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: Compliant

Chapter 13
Data Co-Processor (DCP)
13.1 Data Co-Processor (DCP) Overview
The DCP module provides support for general encryption and hashing functions typically
used for security functions. Because the basic job of the DCP module is moving data from
memory to memory, the DCP module also incorporates memory-copy (memcopy) function
for both debugging and as a more efficient method of copying data between memory blocks
than the DMA-based approach. The memcopy function also has a blit mode of operation
where it can transfer a rectangular block of data to a video frame buffer.
AXI Bus Master
Hash
Dual-Port FIFO
Control
Cipher
APBH Slave
Figure 13-1. Data Co-Processor (DCP) Block Diagram
The i.MX28 DCP module implementation supports AES-128 encryption and CRC32,
SHA-1, and SHA-256 hashing (see the Capability Register).
The DCP module processes data based on chained command structures written to the system
memory by software (in a manner similar to the DMA engine). The control block maintains
registers to support four independent and concurrent chains, allowing software to virtualize
access to the DCP block. Each command in a chain represents a work unit that the module
will process to completion. At the end of each work unit, the control logic arbitrates among
chains with outstanding commands and processes a command from that chain. Arbitration
among the channels is round-robin, allowing all active channels equal access to the data
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Freescale Semiconductor, Inc.
999