AT89LP428 Atmel Corporation, AT89LP428 Datasheet - Page 108

• Manufacturer Part Number: AT89LP428
• Manufacturer: Atmel Corporation

Specifications of AT89LP428

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 25 MHz
• Cpu: 8051-1C
• Max I/o Pins: 30
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.75
• Eeprom (bytes): 512
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

108
AT89LP428/828
Table 20-1.
MUL AB
DIV AB
DA A
Logical
CLR A
CPL A
ANL A, Rn
ANL A, direct
ANL A, @Ri
ANL A, #data
ANL direct, A
ANL direct, #data
ORL A, Rn
ORL A, direct
ORL A, @Ri
ORL A, #data
ORL direct, A
ORL direct, #data
XRL A, Rn
XRL A, direct
XRL A, @Ri
XRL A, #data
XRL direct, A
XRL direct, #data
RL A
RLC A
RR A
RRC A
SWAP A
Data Transfer
MOV A, Rn
MOV A, direct
MOV A, @Ri
MOV A, #data
MOV Rn, A
MOV Rn, direct
MOV Rn, #data
Instruction Execution Times and Exceptions (Continued)
Bytes
Bytes
1
1
1
1
1
1
2
1
2
2
3
1
2
1
2
2
3
1
2
1
2
2
3
1
1
1
1
1
1
2
1
2
1
2
2
8051
8051
48
48
12
12
12
12
12
12
12
12
24
12
12
12
12
12
24
12
12
12
12
12
24
12
12
12
12
12
12
12
12
12
12
24
12
Clock Cycles
Clock Cycles
AT89LP
AT89LP
2
4
1
1
1
1
2
2
2
2
3
1
2
2
2
2
3
1
2
2
2
2
3
1
1
1
1
1
1
2
2
1
2
2
2
3654A–MICRO–8/09
Hex Code
Hex Code
E8 - EF
E6 - E7
A8 - AF
58 - 5F
48 - 4F
68 - 6F
F8 - FF
56 - 57
46 - 47
66 - 67
78 - 7F
A4
D4
E4
C4
E5
84
F4
55
54
52
53
45
44
42
43
65
64
62
63
23
33
03
13
74