RTE-V821-PC User’ Manual
This manual describes the RTE-V821-PC, which is an evaluation board for the V821, NEC’s CPU. With the RTE-V821-PC, it is possible to develop and debug programs, and evaluate the CPU performance, using the GreenHills Multi debugger. Communication with this debugger is carried out using the IBM-PC/AT ISA bus or RS-232C serial interface. It is also possible to expand memory and I/O units using local bus connectors provided on the evaluation board.
This manual represents numbers according to the notation described in the following table. Hexadecimal and binary numbers are hyphenated at every four digits, if they are difficult to read because of many digits being in each number.
Features
• ROM: 128 Kbytes (64K x 16 bits)
• SRAM: 128 Kbytes (64K x 16 bits)
• DRAM: 4, 8, or 16 Mbytes (standard of 4 Mbytes) installed in a 72-pin SIMM socket
• RS-232C port (9-pin D-SUB connector)
• Communication function supported using the ISA bus of a PC/AT or compatible
• Local bus connector for user-installed expansion equipment
• Connector which outputs synchronous serial signals of the CPU and some port signals
• Processor pin connector enabling measurement of all CPU signals
• External reset switch provided on the rear panel
• Connection pins for ROM in-circuit debugger
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