ST6208C/ST6209C/ST6210C/ST6220C
Opcode Map Summary. The following table contains an opcode map for the instructions used by the ST6
LOW
LOW
0
1
2
3
4
5
6
7
0000
0001
0010
0011
0100
0101
0110
0111
HI
HI
2
JRNZ 4
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
ext 1
CALL 2
abc
JRNC
5
JRR 2
b0,rr,ee
bt 1
JRS 2
b0,rr,ee
bt 1
JRR 2
b4,rr,ee
JRZ
e NOP
pcr
2
JRC 4
LD
0
0
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
#
x
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
a,(x)
a,nn
0000
0000
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
1
prc 1
JRC 4
ind
LDI
5
JRZ 4
INC 2
1
1
e
e
0001
0001
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc 2
JRC 4
imm
CP
5
2
2
#
a,(x)
0010
0010
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
bt 1
JRS 2
pcr
JRZ 4
1
prc 1
JRC 4
ind
CPI
5
LD 2
3
3
b4,rr,ee
e
bt 1
a,x
#
a,nn
0011
0011
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc 2
JRC 4
imm
ADD
a,(x)
5
JRR 2
b2,rr,ee
bt 1
JRS 2
b2,rr,ee
bt 1
JRR 2
b6,rr,ee
bt 1
JRS 2
b6,rr,ee
bt 1
JRR 2
b1,rr,ee
bt 1
JRS 2
b1,rr,ee
bt 1
JRR 2
b5,rr,ee
bt 1
JRS 2
b5,rr,ee
bt 1
JRR 2
b3,rr,ee
bt 1
JRS 2
b3,rr,ee
bt 1
JRR 2
b7,rr,ee
bt 1
JRS 2
b7,rr,ee
4
4
e
e
e
e
e
e
e
e
e
e
e
e
0100
0100
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC 4
ind
ADDI
5
INC 2
5
5
y
a,nn
0101
0101
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc 2
JRC 4
imm
INC
5
6
6
#
(x)
#
0110
0110
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC
ind
5
LD 2
7
7
a,y
#
0111
0111
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc
JRC 4
5
LD
ind
8
8
(x),a
#
1000
1000
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC
5
INC 2
9
9
v
1001
1001
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc
JRC 4
5
AND
a,(x)
A
1010
A
1010
#
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC 4
ind
ANDI
5
LD 2
B
1011
B
1011
a,v
#
a,nn
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc 2
JRC 4
imm
SUB
5
C
1100
C
1100
a,(x)
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC 4
ind
SUBI
5
INC 2
D
1101
D
1101
w
a,nn
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr 1
JRZ
sd 1
2
prc 2
JRC 4
imm
DEC
5
E
1110
E
1110
#
(x)
#
1
2
pcr 2
JRNZ 4
pcr 3
JRNC
pcr
JRZ 4
1
prc 1
JRC
ind
5
LD 2
F
1111
F
1111
a,w
1
pcr 2
ext 1
pcr 3
bt 1
pcr 1
sd 1
prc
Abbreviations for Addressing Modes: Legend:
dir
sd
Direct
Short Direct
#
e
b
rr
nn
Indicates Illegal Instructions
5-bit Displacement
3-bit Address
1-byte Data space address
1-byte immediate data
Mnemonic
2
e
1
Cycles
JRC
prc
imm Immediate
Operands
Bytes
inh
ext
b.d
bt
Inherent
Extended
Bit Direct
Bit Test
abc 12-bit address
ee 8-bit displacement
Addressing Mode
pcr
ind
Program Counter Relative
Indirect
60/104
1
STMICROELECTRONICS [ ST ]
