AT89LP428-20MU ATMEL [ATMEL Corporation], AT89LP428-20MU Datasheet - Page 110
AT89LP428-20MU
Manufacturer Part Number
AT89LP428-20MU
Description
8-bit Microcontroller with 4K/8K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89LP428-20MU.pdf
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110
AT89LP428/828
Table 20-1.
Notes:
Branching
JC rel
JNC rel
JB bit, rel
JNB bit, rel
JBC bit, rel
JZ rel
JNZ rel
SJMP rel
ACALL addr11
LCALL addr16
RET
RETI
AJMP addr11
LJMP addr16
JMP @A+DPTR
JMP @A+PC
CJNE A, direct, rel
CJNE A, #data, rel
CJNE Rn, #data, rel
CJNE @Ri, #data, rel
CJNE A, @R0, rel
CJNE A, @R1, rel
DJNZ Rn, rel
DJNZ direct, rel
NOP
BREAK
(1)(3)
1. This escaped instruction is an extension to the instruction set.
2. MOVX @DPTR instructions take 2 clock cycles when accessing ERAM and 4 clock cycles
3. The BREAK instruction acts as a 2 cycle NOP.
when accessing FDATA or CODE. (3 and 5 cycles for MOVX @/DPTR).
(1)
Instruction Execution Times and Exceptions (Continued)
(1)
(1)
Bytes
2
2
3
3
3
2
2
2
2
3
1
1
2
3
1
2
3
3
3
3
3
3
2
3
1
2
8051
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
12
–
–
–
–
Clock Cycles
AT89LP
3
3
4
4
4
3
3
3
3
4
4
4
3
4
2
3
4
4
4
4
4
3
4
1
2
4
3654A–MICRO–8/09
11,31,51,71,91,
01,21,41,61,81,
Hex Code
A1,C1,E1
B1,D1,F1
D8 - DF
B8 - BF
B6 - B7
A5 B6
A5 B7
A5 73
A5 00
B5
B4
D5
40
50
20
30
10
60
70
80
12
22
32
02
73
00
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