s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 52

• 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.

ADDRESSING MODES
8-BIT ADDRESSING
F
8-Bit Direct Addressing
1. If EMB = "0":
2. If EMB = "1":
3-12
Instruction
ADATA
BDATA
ADATA
BDATA
Notation
PROGRAMMING TIP — 8-Bit Addressing Modes
@HL
DA
EQU
EQU
SMB
LD
SMB
LD
LD
EQU
EQU
SMB
LD
SMB
LD
LD
Direct: 8-bit address indicated
by the RAM address (DA =
even number) and memory
bank selection
Indirect: the 8-bit address indi-
cated by the memory bank
selection and register HL; (the
4-bit L register value must be
an even number)
Addressing Mode
Description
46H
8EH
15
EA,P4
0
ADATA,EA
BDATA,EA
46H
8EH
15
EA,P4
0
ADATA,EA
BDATA,EA
Table 3-4. 8-Bit Direct and Indirect RAM Addressing
EMB Flag
Setting
; Non-essential instruction, since EMB = "0"
; E
; (046H)
; (F8EH)
; E
; (046H)
; (08EH)
0
1
0
1
(P5), A
(P5), A
Addressable
F80H–FFFH
000H–FFFH
000H–FFFH
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
000H–07FH
000H–0FFH
A, (047H)
Area
A, (047H)
A, (08FH)
A, (F8FH)
(P4)
(P4)
SMB = 0, 1–
SMB = 0, 1–
E
E
E
13, 14, 15
13, 14, 15
E
Memory
Bank 15
Bank 0
Bank 0
Bank
addressable pe-
addressable pe-
Hardware I/O
(SMB = 15)
(SMB = 15)
Mapping
ripherals
ripherals
All 8-bit
All 8-bit
–
–