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ST72340 Datasheet(PDF) 11 Page - STMicroelectronics

No. de pieza ST72340
Descripción Electrónicos  8-BIT MCU WITH UP TO 16K FLASH MEMORY, 10-BIT ADC, TWO 16-BIT TIMERS, TWO I2C, SPI, SCI
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72340 Datasheet(HTML) 11 Page - STMicroelectronics

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ST72340, ST72344, ST72345
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3 REGISTER & MEMORY MAP
As shown in Figure 5, the MCU is capable of ad-
dressing 64 Kbytes of memories and I/O registers.
The available memory locations consist of 128
bytes of register locations, up to 1 Kbytes of RAM,
256 bytes of Data EEPROM and up to 16 Kbytes
of user program memory. The RAM space in-
cludes 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
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 8
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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