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HD404316S Datasheet(PDF) 10 Page - Renesas Technology Corp |
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HD404316S Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 68 page HD404318 Series 8 Memory Map ROM Memory Map Vector Address Area ($0000–$000F): Reserved for JMPL instructions that branch to the start addresses of the reset and interrupt routines. Zero-Page Subroutine Area ($0000–$003F): Reserved for subroutines. The program branches to a subroutine in this area in response to the CAL instruction. Pattern Area ($0000–$0FFF): Contains ROM data that can be referenced with the P instruction. Program Area ($0000–$0FFF (HD404314), $0000–$17FF (HD404316), $0000–$1FFF (HD404318, HD4074318)): The entire ROM area can be used for program coding. $000F $0FFF $1000 $0010 $003F $0040 Vector address (16 words) Zero-page subroutine (64 words) Pattern (4,096 words) HD404314 Program (4,096 words) HD404316 Program (6,144 words) $0000 $0000 $0001 $0002 $0003 $0004 $0005 $0006 $0007 $0008 $0009 $000A $000B $000C $000D $000E $000F 0 1 JMPL instruction (jump to RESET, STOPC routine) JMPL instruction (jump to INT routine) JMPL instruction (jump to timer A routine) JMPL instruction (jump to timer B routine) JMPL instruction (jump to timer C routine) JMPL instruction (jump to A/D converter routine) JMPL instruction (jump to INT routine) JMPL instruction (jump to serial routine) HD404318, HD4074318 Program (8,192 words) $17FF $1800 $1FFF Note: Since the ROM address areas between $0000-$0FFF overlap, the user can determine how these areas are to be used. Figure 1 ROM Memory Map |
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