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ST72F521R9TC Просмотр технического описания (PDF) - STMicroelectronics

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ST72F521R9TC Datasheet PDF : 199 Pages
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ST72521M/R/AR
3 REGISTER & MEMORY MAP
As shown in Figure 4, the MCU is capable of ad-
dressing 64K bytes of memories and I/O registers.
The available memory locations consist of 128
bytes of register locations, up to 2Kbytes of RAM
and up to 60Kbytes of user program memory. The
Figure 4. Memory Map
RAM space includes up to 256 bytes for the stack
from 0100h to 01FFh.
The highest address bytes contain the user reset
and interrupt vectors.
0000h
007Fh
0080h
HW Registers
(see Table 2)
RAM
(2048, 1536 or 1024 Bytes)
087Fh
0880h
0FFFh
1000h
FFDFh
FFE0h
FFFFh
Reserved
Program Memory
(60K, 48K or 32K)
Interrupt & Reset Vectors
(see Table 8)
0080h
00FFh
0100h
01FFh
0200h
or 047Fh
or 067Fh
or 087Fh
Short Addressing
RAM (zero page)
256 Bytes Stack
16-bit Addressing
RAM
1000h
4000h
8000h
60 KBytes
48 KBytes
32 KBytes
FFFFh
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