st2032a Sitronix Technology Corporation, st2032a Datasheet - Page 9

• Manufacturer Part Number: st2032a
• Description: 8 Bit Microcontroller With 32k Bytes Rom
• Manufacturer: Sitronix Technology Corporation

8
8.1 Memory map
ST2032A builds in 32K bytes ROM and 1K bytes RAM. The internal ROM can be used as data memory or program memory. PRR is
the Program ROM Bank Register. The logical program ROM address is from $4000 to $7FFF(16K bytes) is for logical program ROM
address.
Ver 2.4
8
.
.
M
M
E
E
M
M
O
O
0000
003F
0040
007F
0080
04FF
0500
0FFF
1000
10A3
10A4
3FFF
4000
7FFF
8000
FFFF
R
R
CPU Memory Mapping
Y
Y
7FEE
Program Memory
Control Register
C
C
Data Memory
Interrupt Vector
LCD RAM
16K bytes
32K bytes
Reserved
Reserved
Reserved
O
O
SRAM
(PRR)
N
N
F
F
I
I
G
G
U
U
R
R
FIGURE 8-1 Memory Mapping of ST2032A
A
A
T
T
I
I
O
O
N
N
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Physical Memory Mapping
32K Bytes
000000~
003FFF
004000~
007FFF
PRR = 1H
PRR = 0H
ST2032A
9/13/07