The i.MX21 Application Development System (MCIMX21ADSE) is a development tool which is designed to run software applications designed for the i.MX21 processor. Features i.MX21 Processor Two clock-source crystals, 32.768 KHz and 26 MHz Power connector for +5.0-volts in from an external, regulated power supply, an in-line fuse, and a power on/off switch. Voltage regulators that step down the 5.0-volt input to Vcc (3.0-volts), 2.5-volts, 1.8-volts, and 1.5-volts. Multi-ICE debug support Two 8M × 16-bit Burst Flash memory devices, configured as one 32MB, 32-bit device Two 16M × 16-bit SDRAM devices, configured as one 64MB, 32-bit device High speed expansion connectors for optional add on cards Two-board system: modular CPU board plugs into Base board; Base board has connections for LCD display panel and keypad and TV encoder card Memory mapped expansion I/O Configuration and user definable DIP switches SD/MMC memory card connector Two RS232 transceivers and DB9 connectors (one configured for DCE and one for DTE operation) supporting on-chip UART ports External UART with RS232 transceiver and DB9 connector IrDA transceiver that conforms to Specification 1.4 of the Infra-red Data Association USB OTG (On The Go) interface transceiver and USB mini AB connector Separate LCD panel assembly with a ribbon cable that connects to the Base board and interfaces directly with the M9328MX21ADS Touch panel controller for use with the LCD Separate Keypad unit with 36 push button keys Separate CMOS Image Sensor Card Audio CODEC includes an 11.28MHz crystal oscillator, a 3.5mm audio input jack, a 3.5mm microphone jack, and a 3.5mm headphone jack Cirrus Logic CS8900A Ethernet controller, with RJ-45 connector for connecting to a system hub Two 32 × 3-pin DIN expansion connectors with most i.MX21 I/O signals Variable resistor for emulation of a battery voltage level NAND Flash card (Plugs into CPU) LED indicators for power, external bus activity, Ethernet activity, and two LEDs for user defined status indiction Universal power supply with 5.0-volt output @ 2.4A USB cable RS232 serial cable Two RJ-45 Ethernet cables, network and crossover
查看全文