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HD404616H Datasheet(PDF) 10 Page - Renesas Technology Corp |
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HD404616H Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 91 page HD404618 Series 8 Memory Map ROM Memory Map The ROM memory map is shown in figure 1, and the ROM is described below. 0 15 16 63 64 4095 4096 8191 8192 16383 0 $000F $0FFF $1000 $1FFF $2000 $3FFF $0010 $003F $0040 Vector address Zero-page subroutine (64 words) Pattern (4096 words) Not used 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 $0000 $0000 $0001 $0002 $0003 $0004 $0005 $0006 $0007 $0008 $0009 $000A $000B $000C $000D $000E $000F JMPL instruction (jump to reset routine) JMPL instruction (jump to INT routine) 0 JMPL instruction (jump to timer A routine) 1 JMPL instruction (jump to timer B routine) JMPL instruction (jump to timer C routine) JMPL instruction (jump to serial routine) JMPL instruction (jump to INT routine) * HD404612: 2048 words HD404614: 4096 words HD404616: 6144 words HD404618, HD4074618: 8192 words Program* Note: Figure 1 ROM Memory Map Vector Address Area ($0000–$000F): Reserved for JMPL instructions that branch to the start addresses of the reset and interrupt routines. After an MCU reset or interrupt execution, the program starts 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–$07FF (HD404612), $0000–$0FFF (HD404614), $0000–$17FF (HD404616), $0000–$1FFF (HD404618, HD4074618)): Used for program coding. |
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