MCIMX508CZK8B Freescale Semiconductor, MCIMX508CZK8B Datasheet - Page 15
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MCIMX508CZK8B
Manufacturer Part Number
MCIMX508CZK8B
Description
Processors - Application Specialized CODEX REV 1.1
Manufacturer
Freescale Semiconductor
Type
Multimedia Applicationsr
Datasheet
1.MCIMX503EVM8B.pdf
(135 pages)
Specifications of MCIMX508CZK8B
Core
ARM Cortex A8
Processor Series
i.MX50
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Part Number:
MCIMX508CZK8B
Manufacturer:
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Freescale Semiconductor
Mnemonic
SDMA
Block
SPBA
SRTC
SJC
Smart Direct
Memory
Access
Secure JTAG
Controller
Shared
Peripheral Bus
Arbiter
Secure Real
Time Clock
Block Name
i.MX50 Applications Processors for Consumer Products, Rev. 4
Table 4. i.MX50 Digital and Analog Modules (continued)
Master
Connectivity
Peripherals
System
Control
Peripherals
System
Control
Peripherals
Security
Peripherals
Subsystem
The SDMA is multi-channel flexible DMA engine. It helps in maximizing
system performance by offloading various cores in dynamic data routing.
The SDMA features list is as follows:
The Secure JTAG Controller provides a mechanism for regulating JTAG
access, preventing unauthorized JTAG usage while allowing JTAG access for
manufacturing tests and software debugging.
The i.MX50 JTAG port provides debug access to several hardware blocks
including the ARM processor and the system bus, therefore, it must be
accessible for initial laboratory bring-up, manufacturing tests and
troubleshooting, and for software debugging by authorized entities. However,
if the JTAG port is left unsecured it provides a method for executing
unauthorized program code, getting control over secure applications, and
running code in privileged modes.
The Secure JTAG controller provides three different security modes that can
be selected through an e-fuse configuration to prevent unauthorized JTAG
access.
SPBA (Shared Peripheral Bus Arbiter) is a two-to-one IP bus interface (IP
bus) arbiter.
The SRTC incorporates a special System State Retention Register (SSRR)
that stores system parameters during system shutdown modes. This register
and all SRTC counters are powered by dedicated supply rail NVCC_SRTC.
The NVCC_SRTC can be energized separately even if all other supply rails
are shut down. This register is helpful for storing warm boot parameters. The
SSRR also stores the system security state. In case of a security violation,
the SSRR marks the event (security violation indication).
• Powered by a 16-bit instruction-set micro-RISC engine
• Multi-channel DMA supports up to 32 time-division multiplexed DMA
• 48 events with total flexibility to trigger any combination of channels
• Memory accesses including linear, FIFO, and 2D addressing
• Shared peripherals between ARM Cortex-A8 and SDMA
• Very fast context-switching with two-level priority-based preemptive
• DMA units with auto-flush and prefetch capability
• Flexible address management for DMA transfers (increment, decrement,
• DMA ports can handle uni-directional and bi-directional flows (copy mode)
• Up to 8-word buffer for configurable burst transfers for EMI
• Support of byte-swapping and CRC calculations
• A library of scripts and API is available
channels
multi-tasking
and no address changes on source and destination address)
Brief Description
Modules List
15
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