s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 26

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

ADDRESS SPACES
WORKING REGISTERS
Working registers, mapped to RAM address 000H–01FH in data memory bank 0, are used to temporarily store
intermediate results during program execution, as well as pointer values used for indirect addressing. Unused
registers may be used as general-purpose memory. Working register data can be manipulated as 1-bit units, 4-bit
units or, using paired registers, as 8-bit units.
2-10
Memory
Bank 0
Data
Figure 2-4. Working Register Map
00FH
01FH
000H
001H
002H
003H
004H
005H
006H
007H
008H
010H
017H
018H
A ...Y
A ...Y
A ...Y
W
A
E
H
X
Z
Y
L
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
Working
Register
Register
Register
Register
Bank 0
Bank 1
Bank 2
Bank 3