ST6252C STMicroelectronics, ST6252C Datasheet - Page 55

• Manufacturer Part Number: ST6252C
• Description: 8 Bit ST6 Microcontroller with 4x8-bitADC 1x8-bit TIMER, 1x8-bitAR TIMER
• Manufacturer: STMicroelectronics

Specifications of ST6252C

• Data Ram: 128 bytes
• Data Eeprom: 64 bytes (none on ST62T52C)

Opcode Map Summary (Continued)
Abbreviations for Addressing Modes: Legend:
dir
sd
imm
inh
ext
b.d
bt
pcr
ind
HI
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
Immediate
Inherent
Bit Direct
Bit Test
Direct
Short Direct
Extended
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 4
JRZ 4
JRZ 4
JRZ 2
JRZ 4
JRZ 2
JRZ 4
JRZ
JRZ 4
JRZ 4
JRZ 4
JRZ 2
JRZ 4
JRZ 2
JRZ 4
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
v,a
y,a
D
w
a
#
a
x
y
v
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
ST6252C ST6262B ST6262C
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
sd 1
1
2
1
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)
a,rr
a,rr
a,rr
a,rr
a,rr
rr,a
prc
(y)
(y)
rr
rr
F
ADD
ADD
AND
AND
SUB
SUB
DEC
DEC
INC
INC
CP
CP
ind
ind
ind
ind
ind
ind
ind
ind
LD
LD
LD
LD
dir
dir
dir
dir
dir
dir
dir
dir
LOW
Mnemonic
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
55/75
HI