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ST72344K2 Datasheet(PDF) 23 Page - STMicroelectronics

Part # ST72344K2
Description  SCI asynchronous serial interface
PDF  247 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72344K2 Datasheet(HTML) 23 Page - STMicroelectronics

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ST72344xx, ST2345xx
Register and memory map
Doc ID 12321 Rev 6
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3
Register and memory map
As shown in Figure 5, the MCU is capable of addressing 64 Kbytes of memories and I/O
registers.
The available memory locations consist of 128 bytes of register locations, up to 1 Kbyte of
RAM, 256 bytes of Data EEPROM and up to 16 Kbytes of user program memory. The 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.
Figure 5.
Memory map
0000h
RAM
Program memory
Interrupt & Reset Vectors
HW registers
0080h
007Fh
BFFFh
See Table 4
C000h
FFDFh
FFE0h
FFFFh
Short addressing
RAM (zero page)
256 Bytes stack
16-bit addressing
RAM
0100h
01FFh
047Fh
0080h
0200h
00FFh
(512 or 1K Bytes)
0480h
047Fh
Data EEPROM
(256 Bytes)
Reserved
Reserved
0C00h
0CFFh
0BFFh
0D00h
See Table 17
FFFFh
E000h
C000h
(8 or 16 KBytes)
16 Kbytes
8 Kbytes
SECTOR 2
SECTOR 1
FFFFh
E000h
C000h
SECTOR 0
F000h (4k)
or
FC00h (1k)
or
FE00h (0.5k)
or
FB00h (2k)



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