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HD407A4369S Datasheet(PDF) 10 Page - Renesas Technology Corp |
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HD407A4369S Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 117 page HD404369 Series 8 Memory Map ROM Memory Map The ROM memory map is shown in figure 1 and described below. Vector Address Area ($0000–$000F): Reserved for JMPL instructions that branch to the start addresses of the reset and interrupt routines. After MCU reset or an interrupt, program execution continues from the vector address. 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 (HD404364, HD40A4364), $0000–$1FFF (HD404368, HD40A4368), $0000–$2FFF (HD4043612, HD40A43612), $0000–$3FFF (HD404369, HD40A4369, HD407A4369)): The entire ROM area can be used for program coding. $000F $0FFF $1000 $2FFF $0010 $003F $0040 Vector address (16 words) Zero-page subroutine (64 words) Program (4,096 words) Program (8,192 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) Program (12,288 words) Program (16,384 words) For HD404369, HD40A4369, HD407A4369 $1FFF $2000 $3000 $3FFF For HD404364, HD40A4364 For HD404368, HD40A4368 For HD4043612, HD40A43612 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 RAM Memory Map The MCU contains 512-digit × 4 bit RAM areas. These RAM areas consist of a memory register area, a data area, and a stack area. In addition, an interrupt control bits area, special function register area, and register flag area are mapped onto the same RAM memory space labeled as a RAM-mapped register area. The RAM memory map is shown in figure 2 and described below. |
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