S3C72G9 Samsung semiconductor, S3C72G9 Datasheet - Page 6

• Manufacturer Part Number: S3C72G9
• Description: The S3C72G9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung Arrangeable M
• Manufacturer: Samsung semiconductor

 



4-bit accumulator
4-bit working registers
8-bit extended accumulator
8-bit memory pointer
8-bit working registers
Select register bank 'n'
Select memory bank 'n'
Carry flag
Program status word
Port 'n'
'm'-th bit of port 'n'
Interrupt priority register
Enable memory bank flag
Enable register bank flag
Symbol
d
a
b
r
f
i
t
Full Register Name
Table 5-5. Register Identifiers
Table 5-4. Data Type Symbols
Immediate data
Address data
Bit data
Register data
Flag data
Indirect addressing data
memc
0.5 immediate data
Data Type
A
E, L, H, X, W,
Z, Y
EA
HL
WX, YZ, WL
SRB n
SMB n
C
PSW
Pn
Pn.m
IPR
EMB
ERB
ID
DA
@
src
dst
(R)
.b
im
imm
#
ADR
ADRn
R
Ra
RR
RRa
RRb
RRc
mema
memb
memc
SB
XOR
OR
AND
[(RR)]
Symbol
Table 5-6. Instruction Operand Notation
Direct address
Indirect address prefix
Source operand
Destination operand
Contents of register R
Bit location
4-bit immediate data (number)
8-bit immediate data (number)
Immediate data prefix
000H-3FFFH immediate address
'n' bit address
A, E, L, H, X, W, Z, Y
E, L, H, X, W, Z, Y
EA, HL, WX, YZ
HL, WX, WL
HL, WX, YZ
WX, WL
FB0H-FBFH, FF0H-FFFH
FC0H-FFFH
Code direct addressing:
0020H-007FH
Select bank register (8 bits)
Logical exclusive-OR
Logical OR
Logical AND
Contents addressed by RR
Definition