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MCIMX53SMD Board Hardware User’s Guide, Rev. 0
Freescale Semiconductor
Power gating SRPG (State Retention Power Gating) for ARM core and Neon
Support for various levels of system power modes
Flexible clock gating control scheme
On-chip temperature monitor
On-chip oscillator amplifier supporting 32.768 kHZ external crystal
On-chip LDO voltage regulators for PLLs
Security functions are enabled and accelerated by the following hardware:
ARM TrustZone including the TZ architecture (separation of interrupts, memory mapping, and so on)
Secure JTAG controller (SJC): Protecting JTAC from debug port attacks by regulating or blocking the
access to the system debug features.
Secure real-time clock (SRTC): Tamper resistant RTC with dedicated power domain and mechanism to
detect voltage and clock glitches.
Real-time integrity checker, version 3 (RTICv3): RTIC type 1, enhanced with SHA-256 engine
SAHARAv4 Lite: Cryptographic accelerator that includes true random number generator (TRNG)
Security controller, version 2 (SCCv2): Improved SCC with AES engine, secure/nonsecure RAM and
support for multiple keys as well as TZ/non-TZ separation.
Central Security Unit (CSU): Enhancement for the IIM (IC Identification Module). CSU is configured
during boot and by eFUSEs and determines the security level operation mode as well as the TrustZone
(TZ) policy.
Advanced High Assurance BOOT (A-HAB): HAB with the next embedded enhancements: SHA-256,
2046-bit RSA key, version control mechanism, warm boot, CSU, and TZ initialization.
3.2.
DDR3 DRAM Memory
The MCIMX53SMD board uses four 2-Gigabit DDR3 SDRAM ICs manufactured by Micron for a total onboard
RAM memory of 1 GB. The SDRAM data width for each IC is 16 bits. The chips are arranged in pairs and they
are controlled by the two chip select pins to form 32-bit words for the i.MX53 CPU. The On Die Termination
(ODT) functionality has been implemented on the board. In addition, the board provides the ability to separate
the I/O Voltage Supply from the main SDRAM Voltage Supply, if desired.
3.3.
Dialog DA9053 PMIC
The DA9053 device is a small (7 x 7 mm, 0.5 mm pitch) 169 ball VFBGA that provides nearly all power supply
functions for the MCIMX53SMD board. The DA9053 PMIC enhances the functionality of the MCIMX53SMD
board by providing the following features:
Power Supply resources:
o
12 Low Drop Out (LDO) regulators
One for internal PMIC purposes only (LDOCORE)
One for charging optional back up coin cell
10 for platform needs
o
Four DC/DC Buck Converters (three with DVS)
One for the ARM Core supply (VBUCKCORE)
One for the Peripheral Core supply (VBUCKPRO)
One for the external SDRAM memory (VBUCKMEM)
One for the internal cache memory (VBUCKPERI)
o
One White LED driver and boost converter
Li-ION battery charger
Resistive touch screen interface
