ST62E25C ST Microelectronics, ST62E25C Datasheet - Page 59
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ST62E25C
Manufacturer Part Number
ST62E25C
Description
(ST62T15C / ST62T25C) 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER
Manufacturer
ST Microelectronics
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INSTRUCTION SET (Cont’d)
Arithmetic and Logic. These instructions are
used to perform arithmetic calculations and logic
operations. In AND, ADD, CP, SUB instructions
one operand is always the accumulator while, de-
pending on the addressing mode, the other can be
Table 17. Arithmetic & Logic Instructions
Notes:
X,Y
V, W Short Direct Registers
DEC A
DEC rr
DEC (X)
DEC (Y)
INC X
INC Y
INC V
INC W
INC A
INC rr
INC (X)
INC (Y)
RLC A
SLA A
SUB A, (X)
SUB A, (Y)
SUB A, rr
SUBI A, #N
ADD A, (X)
ADD A, (Y)
ADD A, rr
ADDI A, #N
AND A, (X)
AND A, (Y)
AND A, rr
ANDI A, #N
CLR A
CLR r
COM A
CP A, (X)
CP A, (Y)
CP A, rr
CPI A, #N
DEC X
DEC Y
DEC V
DEC W
Index Registers
Affected
Instruction
Indirect
Inherent
Inherent
Indirect
Indirect
Direct
Immediate
Indirect
Indirect
Direct
Immediate
Short Direct
Direct
Inherent
Indirect
Indirect
Direct
Immediate
Short Direct
Short Direct
Short Direct
Short Direct
Direct
Direct
Indirect
Indirect
Short Direct
Short Direct
Short Direct
Short Direct
Direct
Direct
Indirect
Indirect
Indirect
Direct
Immediate
Addressing Mode
Bytes
2
1
1
1
1
1
2
2
1
1
1
2
1
1
2
2
1
1
2
2
1
1
2
2
2
3
1
1
1
2
2
1
1
1
1
2
1
either a data space memory location or an imme-
diate value. In CLR, DEC, INC instructions the op-
erand can be any of the 256 data space address-
es. In COM, RLC, SLA the operand is always the
accumulator.
# Immediate data (stored in ROM memory)
*
rr Data space register
Not Affected
Cycles
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Z
*
ST6215C/ST6225C
Flags
C
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
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