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PIC16F913-I/SS 数据表(PDF) 25 Page - Microchip Technology |
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PIC16F913-I/SS 数据表(HTML) 25 Page - Microchip Technology |
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25 / 330 page ![]() © 2007 Microchip Technology Inc. DS41250F-page 23 PIC16F913/914/916/917/946 2.0 MEMORY ORGANIZATION 2.1 Program Memory Organization The PIC16F91X/946 has a 13-bit program counter capable of addressing a 4K x 14 program memory space for the PIC16F913/914 (0000h-0FFFh) and an 8K x 14 program memory space for the PIC16F916/ 917 and PIC16F946 (0000h-1FFFh). Accessing a location above the memory boundaries for the PIC16F913 and PIC16F914 will cause a wrap around within the first 4K x 14 space. The Reset vector is at 0000h and the interrupt vector is at 0004h. FIGURE 2-1: PROGRAM MEMORY MAP AND STACK FOR THE PIC16F913/914 FIGURE 2-2: PROGRAM MEMORY MAP AND STACK FOR THE PIC16F916/917/PIC16F946 pc<12:0> 13 0000h 0004h Stack Level 1 Stack Level 8 Reset Vector Interrupt Vector CALL, RETURN RETFIE, RETLW Stack Level 2 0005h On-chip 1FFFh Program Memory Page 0 Page 1 07FFh 0800h 0FFFh 1000h pc<12:0> 13 0000h 0004h Stack Level 1 Stack Level 8 Reset Vector Interrupt Vector CALL, RETURN RETFIE, RETLW Stack Level 2 0005h On-chip 1FFFh Program Memory Page 0 Page 1 Page 2 Page 3 07FFh 0800h 0FFFh 1000h 17FFh 1800h |
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