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M37481MT-088FP Datasheet(PDF) 11 Page - Mitsubishi Electric Semiconductor |
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M37481MT-088FP Datasheet(HTML) 11 Page - Mitsubishi Electric Semiconductor |
11 / 97 page 11 MITSUBISHI MICROCOMPUTERS 7480/7481 GROUP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER PRELIMINAR Y Notice: This is not a final specification. Some parametric limits are subject to change. Memory • SFR Area This SFR area is provided in the zero page and contains the reg- isters for controlling I/O ports and timers. • RAM RAM is used for data storage and for calling subroutines, as well as for a stack area for interrupts. • ROM ROM is used for storing user programs and interrupt vectors. Fig. 8 Memory map • Interrupt Vector Area The interrupt vector area is used for storing vector addresses when an interrupt is generated or at reset. • Zero Page This area can be accessed with 2 words when the zero page ad- dressing mode is used. • Special Page This area can be accessed with 2 words when the special page addressing mode is used. SFR area Not used Interrupt vector area 000016 007F16 008016 00BF16 00C016 00FF16 010016 013F16 01FF16 C00016 E00016 F00016 FF0016 FFE416 FFFF16 Zero page Special page RAM (192 bytes) for M37480M4, M37480M8/E8, M37481M4, M37481M8/E8 RAM (128 bytes) for M37480M2, M37481M2 RAM (256 bytes) for M37480M8/E8, M37481M8/E8 RAM (64 bytes) for M37480M4, M37481M4 ROM (16384 bytes) for M37480M8/E8, M37481M8/E8 ROM (8192 bytes) for M37480M4, M37481M4 ROM (4096 bytes) for M37480M2, M37481M2 |
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