参数资料
型号: ST72611F1M1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, PLASTIC, SOP-20
文件页数: 76/77页
文件大小: 1178K
代理商: ST72611F1M1
ST7261
8/77
3 REGISTER & MEMORY MAP
As shown in the Figure 5, the MCU is capable of
addressing 64K bytes of memories and I/O regis-
ters.
The available memory locations consist of 64
bytes of register locations, 256 bytes of RAM and
4 Kbytes of user program memory. The RAM
space includes up to 128 bytes for the stack from
0100h to 017Fh.
The highest address bytes contain the user reset
and interrupt vectors.
IMPORTANT: Memory locations marked as “Re-
served” must never be accessed. Accessing a re-
seved area can have unpredictable effects on the
device.
Related Documentation
AN 985: Executing Code in ST7 RAM
Figure 5. Memory Map
0000h
Program Memory
Interrupt & Reset Vectors
HW Registers
0040h
003Fh
(see Table 2)
FFDFh
FFE0h
FFFFh
0180h
Reserved
017Fh
Short Addressing RAM
Zero page
017Fh
0080h
00FFh
(4 KBytes)
F000h
(128 Bytes)
256 Bytes RAM
Stack or
(128 Bytes)
EFFFh
16-bit Addressing RAM
Reserved
0080h
007Fh
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