mcimx27- Freescale Semiconductor, Inc, mcimx27- Datasheet - Page 21
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mcimx27-
Manufacturer Part Number
mcimx27-
Description
Multimedia Applications Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCIMX27-.pdf
(132 pages)
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run-time execution. If the memory contents at runtime fail to match the hash signature, an error in the
security monitor is triggered.
Contact your Freescale Semiconductor sales office or distributor for additional information on SCC, RTIC,
IIM, SAHARA2
2.3.30
SAHARA2 is a security co-processor, it implements encryption algorithms (AES, DES, and 3DES),
hashing algorithms (MD5, SHA-1, SHA_224, and SHA-256), stream cipher algorithm (ARC4), and a
hardware random number generator.
Contact your Freescale Semiconductor sales office or distributor for additional information on SCC, RTIC,
IIM, SAHARA2
2.3.31
The Security Controller Module (SCC) is a hardware security component. Overall, its primary
functionality is associated with establishing a centralized security state controller and hardware security
state with a hardware configured, unalterable security policy.
Contact your Freescale Semiconductor sales office or distributor for additional information on SCC, RTIC,
IIM, SAHARA2
2.3.32
The Secure Digital Host Controller (SDHC) controls the MultiMedia Card (MMC), Secure Digital (SD)
memory, and I/O cards by sending commands to cards and performing data accesses to/from the cards. The
Multimedia Card/Secure Digital Host (MMC/SD) module integrates both MMC support along with SD
memory and I/O functions. The SDHC is fully compatible with the MMC System Specification Version
3.0, as well as with the SD Memory Card Specification 1.0, and SD I/O Specification 1.0 with 1/4
channel(s). The maximum data rate in 4-bit mode is 100 Mbps. The SDHC uses a built-in programmable
frequency counter for the SDHC bus, and provides a maskable hardware interrupt for an SDIO interrupt,
internal status, and FIFO status. It has a pair of 32 × 16-bit data FIFO buffers built in.
The MultiMedia Card (MMC) is a universal, low-cost data storage and communication media that is
designed to cover a wide area of applications, including, for example, electronic toys, organizers, PDAs,
and smart phones. The MMC communication is based on an advanced 7-pin serial bus designed to operate
in a low-voltage range.
The Secure Digital Card (SD) is an evolution of MMC technology, with two additional pins in the form
factor. It is specifically designed to meet the security, capacity, performance, and environment
requirements inherent in newly emerging audio and video consumer electronic devices. The physical form
factor, pin assignment, and data transfer protocol are forward-compatible with the MultiMedia Card with
some additions. Under SD, it can be categorized into Memory and I/O. The memory card invokes a
copyright protection mechanism that complies with the security of the SDMI standard, which is faster and
Freescale Semiconductor
Symmetric/Asymmetric Hashing and Random Accelerator
(SAHARA2)
Security Controller Module (SCC)
Secure Digital Host Controller (SDHC)
Preliminary—Subject to Change Without Notice
i.MX27 and i.MX27L Data Sheet, Rev. 1.2
Functional Description and Application Information
21
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