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PIC16C925-S/CL датащи(PDF) 13 Page - Microchip Technology |
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PIC16C925-S/CL датащи(HTML) 13 Page - Microchip Technology |
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13 / 182 page ![]() 2001 Microchip Technology Inc. Preliminary DS39544A-page 11 PIC16C925/926 2.0 MEMORY ORGANIZATION 2.1 Program Memory Organization The PIC16C925/926 family has a 13-bit program counter capable of addressing an 8K x 14 program memory space. For the PIC16C925, only the first 4K x 14 (0000h- 0FFFh) are physically implemented. Accessing a loca- tion above the physically implemented addresses will cause a wraparound. The RESET vector is at 0000h and the interrupt vector is at 0004h. FIGURE 2-1: PROGRAM MEMORY MAP AND STACK FOR PIC16C925 FIGURE 2-2: PROGRAM MEMORY MAP AND STACK FOR PIC16C926 PC<12:0> 13 Stack Level 1 Stack Level 8 CALL, RETURN RETFIE, RETLW 2000h 2003h 2004h 2007h 3FFFh Stack Level 2 0000h 0004h 0005h RESET Vector Interrupt Vector On-chip 1FFFh Program Memory Page 0 Page 1 07FFh 0800h 0FFFh 1000h Reads 0000h-0FFFh ID Locations Configuration Word Reserved Reserved PC<12:0> 13 Stack Level 1 Stack Level 8 CALL, RETURN RETFIE, RETLW ID Locations Configuration Word Reserved Reserved 2000h 2003h 2004h 2007h 3FFFh Stack Level 2 0000h 0004h 0005h RESET Vector Interrupt Vector On-chip 1FFFh Program Memory Page 0 Page 1 Page 2 Page 3 07FFh 0800h 0FFFh 1000h 17FFh 1800h |
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