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M37512F8HP Datasheet(PDF) 9 Page - Renesas Technology Corp |
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M37512F8HP Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 87 page Feb 18, 2005 page 9 of 85 REJ03B0122-0101 7512 Group MEMORY Special Function Register (SFR) Area The Special Function Register area in the zero page contains con- trol registers such as I/O ports and timers. RAM RAM is used for data storage and for stack area of subroutine calls and interrupts. Flash Memory The last 2 bytes of flash memory are reserved for device testing and the rest is user area for storing programs. Interrupt Vector Area The interrupt vector area contains reset and interrupt vectors. Zero Page Access to this area with only 2 bytes is possible in the zero page addressing mode. Special Page Access to this area with only 2 bytes is possible in the special page addressing mode. Fig. 7 Memory map diagram RAM size and area RAM size (bytes) Address XXXX16 1536 063F16 M37512F8HP M37512F8-XXXHP M37512F8HHP M37512F8H-XXXHP Product name M37512FCHP M37512FC-XXXHP M37512FCHHP M37512FCH-XXXHP 1024 043F16 ROM size and area (Except Data block) ROM size (bytes) Address YYYY16 49152 400016 Product name 32768 800016 M37512F8HP M37512F8-XXXHP M37512F8HHP M37512F8H-XXXHP M37512FCHP M37512FC-XXXHP M37512FCHHP M37512FCH-XXXHP 010016 000016 004016 XXXX16 FF0016 FFDC16 FFFE16 FFFF16 100016 1FFF16 RAM ROM 0FE016 0FFF16 FFD416 YYYY16 SFR area Not used Interrupt vector area Zero page Special page Reserved memory area SFR area Flash memory ID code Not used ROM FF0016 FFDC16 FFFE16 FFFF16 FFD416 Special page Reserved memory area Boot ROM area F00016 User ROM area |
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