gc41c501g0-sp8i CORERIVER Semiconductor, gc41c501g0-sp8i Datasheet - Page 49
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gc41c501g0-sp8i
Manufacturer Part Number
gc41c501g0-sp8i
Description
4-bit Microcontrollers With Reduced 8051 Architecture With Reduced 8051 Architecture
Manufacturer
CORERIVER Semiconductor
Datasheet
1.GC41C501G0-SP8I.pdf
(64 pages)
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CLR @L
CLR A
Appendix A : Instruction Set (8/19)
Binary Code
Binary Code
Description
Description
Carry Flag
Carry Flag
Operation
Operation
Example
Example
Cycles
Cycles
Bytes
Bytes
Clears the indirect function flag
addressed by DPL.
F[L] ← 0
Not affected.
1
1
; Assumes P2 contains 0xF.
MOV L, #1
CLR @L
MOV A, #0xD
CJNE A, P2, ERROR ; Check if P2.1 is 0.
Clears the accumulator.
This is an abbreviation of MOV A, #0.
(A) ← 0
Not affected.
1
1
CLR A
1000
0101
0110
0000
; P2.1 ← 0
; (L) ← 1
; (A) ← 13
CLR C
CLR bit
Binary Code
Binary Code
Description
Description
Carry Flag
Carry Flag
Operation
Operation
Example
Example
Cycles
Cycles
Bytes
Bytes
Clears the carry flag.
This is the same as "ADD A, #0".
(A) ← (A) + 0
(C) ← 0
1
1
CLR C
Clears a bit in data memory addressed by
DPTR. The bit position of the nibble is obtained
by the least significant two bits of opcode.
M[DP].bit ← 0
Not affected.
1
1
; Assumes M[DP] contains 7.
CLR 2
CJNE @DP, #3, ERROR ; Check result
0001
1000
ATOM1.0 Family
0000
10bb
Preliminary
; M[DP].2 ← 0
[49]
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