參數(shù)資料
型號(hào): PIC12F506
廠商: Microchip Technology Inc.
英文描述: 8/14-Pin, 8-Bit Flash Microcontroller
中文描述: 8/14-Pin,8位閃存微控制器
文件頁數(shù): 17/116頁
文件大小: 907K
代理商: PIC12F506
2007 Microchip Technology Inc.
Preliminary
DS41268C-page 15
PIC12F510/16F506
4.0
MEMORY ORGANIZATION
The PIC12F510/16F506 memories are organized into
program memory and data memory. For devices with
more than 512 bytes of program memory, a paging
scheme is used. Program memory pages are accessed
using STATUS register bit PA0. For the PIC12F510 and
PIC16F506, with data memory register files of more
than 32 registers, a banking scheme is used. Data
memory banks are accessed using the File Select
Register (FSR).
4.1
Program Memory Organization for
the PIC12F510/16F506
The PIC12F510/16F506 devices have a 10-bit
Program Counter (PC) capable of addressing a 2K x 12
program memory space.
Only the first 1K x 12 (0000h-03FFh) are physically
implemented (see Figure 4-1). Accessing a location
above these boundaries will cause a wraparound
within the 1K x 12 space. The effective Reset vector
is a 0000h (see Figure 4-1). Location 03FFh contains
the internal clock oscillator calibration value. This
value should never be overwritten.
FIGURE 4-1:
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC12F510/16F506
CALL
,
RETLW
PC<11:0>
Stack Level 1
Stack Level 2
U
S
10
0000h
7FFh
01FFh
0200h
On-chip Program
Memory
Reset Vector
(1)
Note
1:
Address 0000h becomes the effective
Reset vector. Location 03FFh contains
the
MOVLW XX
internal oscillator
calibration value.
512 Word
1024 Word
03FFh
0400h
On-chip Program
Memory
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