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UPD705101 Datasheet(PDF) 1 Page - NEC |
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UPD705101 Datasheet(HTML) 1 Page - NEC |
1 / 72 page V831TM 32-BIT MICROPROCESSOR MOS INTEGRATED CIRCUIT µPD705101 DESCRIPTION The µPD70501 (V831) is a 32-bit RISC microprocessor for embedded control applications, with a high-performance 32-bit V830TM processor core and many peripheral functions such as a DRAM/ROM controller, 4-channel DMA controller, real-time pulse unit, serial interface, and interrupt controller. In addition to high interrupt response speed and optimized pipeline structure, the V831 offers sum-of-products operation instructions, concatenated shift instructions, and high-speed branch instructions to realize multimedia functions, and therefore, can provide high performance in multimedia systems such as internet/intra-net systems, car navigation systems, high-performance televisions, and color FAXes. Detailed explanations of the functions, etc. are given in the following user’s manuals. Be sure to read the manuals before designing your systems. V831 User’s Manual -Handware : U12273E V830 FamilyTM User’s Manual -Architecture : U12496E Document No. U12979EJ1V0DS00 (1st edition) Date Published January 1998 N Printed in Japan FEATURES • CPU function • V830-compatible instructions • Instruction cache : 4 KB • Instruction RAM : 4 KB • Data cache : 4 KB • Data RAM : 4 KB • Minimum number of instruction execution cycles : 1 cycle • Number of general purpose registers : 32 bits × 32 • Memory space and I/O space : 4 GB each • Interrupt/exception function • Non-maskable : External input : 1 • Maskable : External input : 8 (of which 4 are multiplexed with internal sources) Internal source: 11 types • Bus control function • Wait control function • Memory access control function • DMA controller : 4 channel • Serial interface function • Asynchronous serial interface (UART): 1 channel • Clocked serial interface (CSI) : 1 channel • Dedicated baud rate generator (BRG) : 1 channel • Timer/counter function • 16-bit timer/event counter : 1 channel • 16-bit interval timer : 1 channel • Port function : 3 I/O ports • Clock generation function : PLL clock synthesizer • Standby function : HALT and STOP modes • Debug function • Debug-dedicated synchronous serial interface : 1 channel • Trace-dedicated interface : 1 channel The information in this document is subject to change without notice. © 1998 DATA SHEET |
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