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ST72F262G2B6 Datasheet(PDF) 10 Page - STMicroelectronics

No. de pieza ST72F262G2B6
Descripción Electrónicos  8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72F262G2B6 Datasheet(HTML) 10 Page - STMicroelectronics

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ST72260Gx, ST72262Gx, ST72264Gx
10/172
3 REGISTER & MEMORY MAP
As shown in Figure 5, 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 location, 256 bytes of RAM and
up to 8 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.
The Flash memory contains two sectors (see Fig-
ure 5) mapped in the upper part of the ST7 ad-
dressing space so the reset and interrupt vectors
are located in Sector 0 (F000h-FFFFh).
The size of Flash Sector 0 and other device op-
tions are configurable by Option byte (refer to Sec-
tion 15.1 on page 162).
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
(4K, 8 KBytes)
Interrupt & Reset Vectors
HW Registers
0080h
007Fh
(see Table 2)
E000h
FFDFh
FFE0h
FFFFh
(see Table 5 on page 32)
0180h
Reserved
017Fh
Short Addressing RAM
0100h
017Fh
0080h
00FFh
RAM
Zero page
(128 Bytes)
Stack or
16-bit Addressing RAM
(128 Bytes)
4 Kbytes
4 Kbytes
SECTOR 1
SECTOR 0
8K FLASH
FFFFh
F000h
EFFFh
E000h
PROGRAM MEMORY
DFFFh
(256 Bytes)


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