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M37151MF-XXXFP Datasheet(PDF) 12 Page - Renesas Technology Corp |
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M37151MF-XXXFP Datasheet(HTML) 12 Page - Renesas Technology Corp |
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12 / 138 page  M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP Rev.1.00 Nov 01, 2002 page 12 of 136 REJ03B0129-0100Z 8.2 MEMORY 8.2.1 Special Function Register (SFR) Area The special function register (SFR) area in the zero page contains control registers such as I/O ports and timers. 8.2.2 RAM RAM is used for data storage and for stack area of subroutine calls and interrupts. 8.2.3 ROM ROM is used for storing user programs as well as the interrupt vector area. 8.2.4 OSD RAM RAM for display is used for specifying the character codes and col- ors to display. 8.2.5 OSD ROM ROM for display is used for storing character data. 8.2.6 Interrupt Vector Area The interrupt vector area contains reset and interrupt vectors. 8.2.7 Zero Page The zero page addressing mode can be used to specify memory and register addresses in the zero page area. Access to this area with only 2 bytes is possible in the zero page addressing mode. 8.2.8 Special Page The special page addressing mode can be used to specify memory addresses in the special page area. Access to this area with only 2 bytes is possible in the special page addressing mode. 8.2.9 ROM Correction Memory (RAM) This is used as the program area for ROM correction. Fig. 8.2.1 Memory Map (M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP) 000016 00C016 00FF16 SFR1 area Not used FFFF16 FFDE16 FF0016 Interrupt vector area Special page 087F16 080016 OSD RAM (128 bytes) Zero page 020016 020F16 SFR2 area Not used 030016 00BF16 010016 01FF16 05BF16 053F 16 Not used 0B3F16 090016 100016 Not used ROM correction function Vector 1: address 030016 Vector 2: address 0320 16 032016 06FF16 6000 16 8000 16 A00016 4000 16 M37151MF-XXXFP, M37151EFFP ROM (60K bytes) M37151MC-XXXFP ROM (48K bytes) M37151MA-XXXFP ROM (40K bytes) M37151M8-XXXFP ROM (32K bytes) 1000016 1FFFF16 Not used s M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP M37151M6-XXXFP ROM (24K bytes) 13BFF16 11400 16 OSD ROM (10K bytes) (See note) Not used M37151MF-XXXFP, M37151EFFP RAM (2048 bytes) M37151MB-XXXFP RAM (1152 bytes) M37151MA/MC- XXXFP RAM (1472 bytes) M37151M6- XXXFP RAM (1024 bytes) |
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