st62t65b STMicroelectronics, st62t65b Datasheet - Page 7

• Manufacturer Part Number: st62t65b
• Description: 8-bit Otp/eprom Mcus With A/d Converter, Auto-reload Timer, Eeprom And Spi
• Manufacturer: STMicroelectronics

1.3 MEMORY MAP
1.3.1 Introduction
The MCU operates in three separate memory
spaces: Program space, Data space, and Stack
space. Operation in these three memory spaces is
described in the following paragraphs.
Figure 3. Memory Addressing Diagram
0FF0h
0FFFh
0000h
RESET VECTORS
INTERRUPT &
PROGRAM
MEMORY
PROGRAM SPACE
0-63
Briefly, Program space contains user program
code in OTP and user vectors; Data space con-
tains user data in RAM and in OTP, and Stack
space accommodates six levels of stack for sub-
routine and interrupt service routine nesting.
0C0h
0FFh
03Fh
07Fh
000h
040h
080h
081h
082h
083h
084h
MEMORY
ST62T55B ST62T65B/E65B
DATA READ-ONLY
DATA READ-ONLY
WINDOW SELECT
W REGISTER
ACCUMULATOR
X REGISTER
Y REGISTER
V REGISTER
BANK SELECT
RAM / EEPROM
BANKING AREA
DATA RAM
MEMORY
RAM
WINDOW
DATA SPACE
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