MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 1014

• 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

Operation
The CIPHER_SELECT field selects from one of sixteen possible encryption algorithms
(0=AES128). The CIPHER_MODE selects the mode of operation for that cipher (0=ECB,
1=CBC).
The KEY_SELECT field allows key selection for one of several sources. Keys can be
included in the packet payload or may come from OTP or write-only registers.
The HASH_SELECT field selects a hashing algorithm for the operation (0=SHA-1,
1=CRC32, 2=SHA-256).
The CIPHER_CONFIG field provides the optional configuration information for the selected
cipher. An example would be a key length for the RC4 algorithm.
13.2.6.4.4 Source Buffer
The SOURCE_BUFFER pointer (shown in the following table) specifies the location of
the source buffer in memory. The buffer may reside at any byte alignment and should refer
to an on-chip SRAM of off-chip SDRAM location. For optimal performance, buffers should
be word aligned. When the CONSTANT_FILL flag is set in the Control0 field, the value
in this field is used as the data written to all destination buffer locations.
13.2.6.4.5 Destination Buffer
The DESTINATION_BUFFER (shown in the following table) specifies the location of the
destination buffer in on-chip SRAM or off-chip SDRAM memory and may be set to any
byte alignment. For in-place encryption, the destination buffer and source buffer should be
the same value. For optimal performance, the buffer location should be word-aligned.
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31
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30
CIPHER_CONFIG
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29
28
28
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26
26
25
25
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
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24
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23
Table 13-8. DCP Destination Buffer Field
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Table 13-7. DCP Source Buffer Field
21
21
CONSTANT (CONSTANT_FILL mode)
20
20
19
19
HASH_SE-
DESTINATION_BUFFER
18
18
LECT
SOURCE_BUFFER
17
17
16
16
15
15
14
14
FRAMEBUFFER_LENGTH (in bytes, blit mode)
KEY_SELECT
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13
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12
11
11
10
10
09
09
08
08
CIPHER_MODE
07
07
Freescale Semiconductor, Inc.
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06
05
05
04
04
03
03
CIPHER_SE-
02
02
LECT
01
01
00
00