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PIC16C554-04/P 用户编程技术手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
PDIP-18
描述:
PIC16 系列 80 B RAM 512 x 14位 EPROM 8位 CMOS 微控制器 - PDIP-18
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PIC16C554-04/P数据手册
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2002 Microchip Technology Inc. DS30261D-page 3
PIC16C55X
2.0 PROGRAM MODE ENTRY
2.1 User Program Memory Map
The user memory space extends from 0x0000 to
0x1FFF (8K). Table 2-1 shows actual implementation
of program memory in the PIC16C55X family.
TABLE 2-1: Implementation of Program
Memory in the PIC16C55X
When the PC reaches the last location of the imple-
mented program memory, it will wrap around and
address a location within the physically implemented
memory (see Figure 2-1).
In Programming mode the program memory space
extends from 0x0000 to 0x3FFF, with the first half
(0x0000-0x1FFF) being user program memory and the
second half (0x2000-0x3FFF) being configuration
memory. The PC will increment from 0x0000 to 0x1FFF
and wrap to 0x0000 or 0x2000 to 0x3FFF and wrap
around to 0x2000 (not to 0x0000). Once in configura-
tion memory, the highest bit of the PC stays a ’1’, thus
always pointing to the configuration memory. The only
way to point to user program memory is to reset the
part and re-enter Program/Verify mode, as described in
Section 2.2.
Device Program Memory Size
Access to
Program
Memory
PIC16C554 0x000 - 0x1FF (0.5K) PC<8:0>
PIC16C557 0x000 - 0x7FF (2K) PC<10:0>
PIC16C558 0x000 - 0x7FF (2K) PC<10:0>
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