ST6246 STMICROELECTRONICS [STMicroelectronics], ST6246 Datasheet - Page 60

• Manufacturer Part Number: ST6246
• Description: 8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST62T46B/E46B
Opcode Map Summary(Continued)
Abbreviation s for Addressing Modes: Legend:
dir
sd
imm
inh
ext
b.d
bt
pcr
ind
60/72
396
HI
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
Direct
Short Direct
Immediate
Inherent
Extended
Bit Direct
Bit Test
Program Counter Relative
Indirect
LOW
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1000
8
e
e
e
e
e
e
e
e
e
RNZ
e
e
e
e
e
e
e
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
JRNZ 4
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
4
1001
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
abc
9
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
ext 1
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
JP 2
#
e
b
rr
nn
abc
ee
1010
A
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
Indicates Illegal Instructions
5 Bit Displacement
3 Bit Address
1byte dataspace address
1 byte immediate data
12 bit address
8 bit Displacement
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
JRNC 4
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
pcr 2
1011
b0,rr
b0,rr
b4,rr
b4,rr
b2,rr
b2,rr
b6,rr
b6,rr
b1,rr
b1,rr
b5,rr
b5,rr
b3,rr
b3,rr
b7,rr
b7,rr
B
RES 2
RES 2
RES 2
RES 2
RES 2
RES 2
RES 2
RES 2
SET 2
SET 2
SET 2
SET 2
SET 2
SET 2
SET 2
SET 2
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
b.d 1
e
1100
C
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
JRZ 4
JRZ
JRZ 4
JRZ 4
JRZ 4
JRZ 2
JRZ 4
JRZ 2
JRZ 4
JRZ 4
JRZ 4
JRZ 4
JRZ 4
JRZ 2
JRZ 4
JRZ 2
pcr 3
pcr 1
pcr
pcr 1
pcr 1
pcr 1
pcr 1
pcr 1
pcr
pcr 1
pcr 1
pcr 1
pcr 1
pcr 1
pcr 1
pcr 1
Cycle
Operand
Bytes
Addressing Mode
1101
rr,nn
w,a
x,a
y,a
v,a
D
w
x
a
y
#
v
a
STOP 2
WAIT 2
COM 2
RETI 2
DEC 2
DEC 2
DEC 2
DEC 2
RCL 2
RET 2
imm 1
LDI 2
inh 1
inh 1
inh 1
inh 1
inh 1
LD 2
LD 2
LD 2
LD 2
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
1
1
2
1110
E
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
JRC 4
2
1
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
prc 1
prc 2
e
JRC
1111
a,(y)
a,(y)
a,(y)
(y),a
a,(y)
a,(y)
rr,a
a,rr
a,rr
a,rr
a,rr
a,rr
prc
(y)
(y)
F
rr
rr
ADD
ADD
AND
AND
SUB
SUB
DEC
DEC
INC
INC
CP
CP
ind
ind
ind
ind
LD
ind
LD
ind
ind
ind
LD
LD
dir
dir
dir
dir
dir
dir
dir
dir
LOW
Mnemonic
0111
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
HI