Freescale Semiconductor
MCIMX53SMD Board Hardware User’s Guide, Rev. 0
13
ASRC: Asynchronous sample rate converter
The i.MX53 processor includes the following interfaces to external devices:
NOTE
Not all the interfaces are available simultaneously depending on I/O multiplexer configuration.
Hard disk drives:
o
PATA, up to U-DMA mode 5, 100 MByte/s
o
SATA II, 1.5 Gbps
Displays:
o
Five interfaces: Total rate of all interfaces is up to 180 Mpixels/s, 24 bpp. Up to two interfaces
may be active as once.
o
Two parallel 24-bit display ports: The primary port is up to 165 Mpix/s (for example, UXGA at
60 Hz).
o
LVDS serial ports: One dual channel port up to 165 Mpix/s or two independent single channel
ports up to 85 MP/s (for example, WXGA at 60 Hz) each.
o
TV-out/VGA port up to 150 Mpix/s (for example, 1080p60).
Camera sensors:
o
Two parallel 20-bit camera ports. Primary up to 180-MHz peak clock frequency and secondary
up to 120-MHz peak clock frequency.
Expansion cards:
o
Four SD/MMC card ports: Three supporting 416 Mbps (8-bit interface) and one enhanced port
supporting 832 Mbps (8-bit, eMMC 4.4)
USB
o
HS USB 2.0 OTG (up to 480 Mbps), with integrated HS USB PHY
o
Three USB 2.0 (480 Mbps) hosts:
High-speed host with integrated on-chip high speed PHY
Two high-speed hosts for external HS/FS transceivers through ULPI/serial, support IC-
USB
Miscellaneous interfaces:
o
One-wire (OWIRE) port
o
Three I2S/SSI/AC97 ports, supporting up to 1.4 Mbps, each connected to audio multiplexer
(AUDMUX) providing four external ports.
o
Five UART RS232 ports, up to 4.0 Mbps each. One supports eight-wire and the other four
support four-wire.
o
Two high speed enhanced CSPI (ECSPI) ports and one CSPI port
o
Three I2C ports, supporting 400 kbps
o
Fast Ethernet controller, IEEE1588 V1 compliant, 10/100 Mbps
o
Two controller area network (FlexCAN) interfaces, 1 Mbps each
o
Sony Philips Digital Interface (SPDIF), Rx and Tx
o
Enhanced serial audio interface (ESAI), up to 1.4 Mbps each channel
o
Key pad port (KPP)
o
Two pulse-width modulators (PWM)
o
GPIO with interrupt capabilities
o
Secure JTAG controller (SJC)
The system supports efficient and smart power control and clocking:
Supporting DVFS (Dynamic Voltage and Frequency Scaling) and DPTC (Dynamic Process and
Temperature Compensation) techniques for low power modes.
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