AT89LP428-20PU Atmel, AT89LP428-20PU Datasheet - Page 109

• Manufacturer Part Number: AT89LP428-20PU
• Description: MCU 8051 4K FLASH SPI 28PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP428-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 30
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

3654A–MICRO–8/09
Table 20-1.
MOV direct, A
MOV direct, Rn
MOV direct, direct
MOV direct, @Ri
MOV direct, #data
MOV @Ri, A
MOV @Ri, direct
MOV @Ri, #data
MOV DPTR, #data16
MOV /DPTR, #data16
MOVC A, @A+DPTR
MOVC A, @A+/DPTR
MOVC A, @A+PC
MOVX A, @Ri
MOVX A, @DPTR
MOVX A, @/DPTR
MOVX @Ri, A
MOVX @DPTR, A
MOVX @/DPTR, A
PUSH direct
POP direct
XCH A, Rn
XCH A, direct
XCH A, @Ri
XCHD A, @Ri
Bit Operations
CLR C
CLR bit
SETB C
SETB bit
CPL C
CPL bit
ANL C, bit
ANL C, bit
ORL C, bit
ORL C, /bit
MOV C, bit
MOV bit, C
Instruction Execution Times and Exceptions (Continued)
(1)
(1)
(1)
(1)
Bytes
2
2
3
2
3
1
2
2
3
4
1
2
1
1
1
2
1
1
2
2
2
1
2
1
1
1
2
1
2
1
2
2
2
2
2
2
2
8051
12
24
24
24
24
12
24
12
24
24
24
24
24
24
24
24
24
12
12
12
12
12
12
12
12
12
12
24
24
24
24
12
24
–
–
–
–
Clock Cycles
AT89LP428/828
AT89LP
2/4
3/5
2/4
3/5
2
2
3
2
3
1
2
2
3
4
3
4
3
2
2
2
2
1
2
2
2
1
2
1
2
1
2
2
2
2
2
2
2
(2)
(2)
(2)
(2)
Hex Code
C8 - CF
A6 - A7
E2 - E3
C6 - C7
D6 - D7
88 - 8F
F6 - F7
F2 - F3
86 - 87
76 - 77
A5 90
A5 93
A5 E0
A5 F0
C0
D0
C5
C3
C2
D3
D2
F5
85
75
90
93
83
E0
F0
B3
B2
82
B0
72
A0
A2
92
109