参数资料
型号: C515A
厂商: SIEMENS AG
元件分类: 8位微控制器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件页数: 14/58页
文件大小: 634K
代理商: C515A
C515A
Semiconductor Group
14
1997-10-01
Memory Organization
The C515A CPU manipulates operands in the following five address spaces:
– up to 64 Kbyte of program memory (32K on-chip program memory for C515A-4R)
– up to 64 Kbyte of external data memory
– 256 bytes of internal data memory
– 1K bytes of internal XRAM data memory
– a 128 byte special function register area
Figure 5
illustrates the memory address spaces of the C515A.
Figure 5
C515A Memory Map
Ext.
Int.
EA = 1)
Ext.
Data
Memory
Internal
XRAM
(1 KByte)
Ext.
EA = 1)
FFFF
H
8000
H
7FFF
H
0000
H
Data
Memory
Ext.
FC00
H
00
H
H
7F
Regs.
Function
Special
RAM
Internal
RAM
Internal
H
80
H
FF
Addr.
Indirect
Addr.
Direct
Alternatively
"Code Space"
"Data Space"
"Internal Data Space"
MCB03243
FFFF
H
H
0000
FBFF
H
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