參數(shù)資料
型號: XC866L-4FR
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 17/108頁
文件大?。?/td> 979K
代理商: XC866L-4FR
XC866
Functional Description
Data Sheet
13
V1.0, 2006-02
3.2
Memory Organization
The XC866 CPU operates in the following five address spaces:
8 Kbytes of Boot ROM program memory
256 bytes of internal RAM data memory
512 bytes of XRAM memory
(XRAM can be read/written as program memory or external data memory)
a 128-byte Special Function Register area
8/16 Kbytes of Flash program memory (Flash devices); or
8/16 Kbytes of ROM program memory, with additional 4 Kbytes of Flash
(ROM devices)
Figure 6
illustrates the memory address spaces of the 16-Kbyte Flash devices. For the
8-Kbyte Flash devices, the shaded banks are not available.
Figure 6
Memory Map of XC866 Flash Device
0000
H
1000
H
2000
H
3000
H
F000
H
C000
H
E000
H
F200
H
FFFF
H
A000
H
B000
H
P-Flash Bank 1
4 Kbytes
P-Flash Bank 2
4 Kbytes
Boot ROM
8 Kbytes
XRAM
512 bytes
F000
H
F200
H
0000
H
FFFF
H
Special Function
Registers
Indirect
Address
Direct
Address
80
H
FF
H
00
H
Program Space
External Data Space
Internal Data Space
Internal RAM
XRAM
512 bytes
7F
H
Internal RAM
P-Flash Bank 0
4 Kbytes
D-Flash Bank
4 Kbytes
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