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ST72334J Datasheet(PDF) 12 Page - STMicroelectronics

Part # ST72334J
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
PDF  125 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72334J Datasheet(HTML) 12 Page - STMicroelectronics

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2.3 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 128
bytes of register locations, 384 or 512 bytes of
RAM, up to 256 bytes of data EEPROM and 4 or
8 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
Interrupt & Reset Vectors
HW Registers
027Fh
0080h
Short Addressing
RAM (zero page)
16-bit Addressing
RAM
007Fh
0200h / 0280h
0BFFh
Reserved
0080h
(see Table 2)
0C00h
FFD Fh
FFE0h
FFFFh
(see Table 6 page 37)
027Fh
C000h
Reserved
256 Bytes Data EEPROM
0CFFh
0D00h
BFFFh
00FFh
0100h
01FFh
0200h
8K Bytes
E000h
16K Bytes
Program
Short Addressing
RAM (zero page)
0080h
00FFh
01FFh
01FFh
384 Bytes RAM
512 Bytes RAM
256 Bytes Stack or
16-bit Addressing RAM
256 Bytes Stack or
16-bit Addressing RAM
0100h
Memory
Program
Memory



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