参数资料
型号: C541U
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单片机
文件页数: 13/63页
文件大小: 497K
代理商: C541U
Semiconductor Group
11
C541U
Memory Organization
The C541U CPU manipulates operands in the following four address spaces:
– 8KByte on-chip OTP program memory
– Totally up to 64 Kbyte internal/external program memory
– up to 64 Kbyte of external data memory
– 256 bytes of internal data memory
– a 128 byte special function register area
Figure 5
illustrates the memory address spaces of the C541U.
Figure 5
C541U Memory Map Memory Map
FFFFH
2000H
1FFFH
0000H
"Code Space"
Internal
(EA = 1)
External
(EA = 0)
"internal Data Space"
indirect
addr.
direct
addr.
7FH
00H
Internal
RAM
Special
Function
Register
80H
FFH
80H
FFH
External
Internal
RAM
"External Data Space"
0000H
FFFFH
External
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