ST6200 STMICROELECTRONICS [STMicroelectronics], ST6200 Datasheet - Page 8

• Manufacturer Part Number: ST6200
• Description: 8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST6200C/ST6201C/ST6203C
3 MEMORY MAPS, PROGRAMMING MODES AND OPTION BYTES
3.1 MEMORY AND REGISTER MAPS
3.1.1 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
8/100
1
0FF0h
0FFFh
000h
PROGRAM SPACE
RESET VECTORS
(see
INTERRUPT &
PROGRAM
MEMORY
Figure
4)
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.
0FFh
03Fh
07Fh
0C0h
000h
040h
080h
081h
082h
083h
084h
0BFh
ACCUMULATOR
DATA SPACE
W REGISTER
(see
X REGISTER
Y REGISTER
V REGISTER
HARDWARE
REGISTERS
RESERVED
DATA ROM
CONTROL
WINDOW
RAM
Table
2)