AT89LP828-20PU Atmel, AT89LP828-20PU Datasheet - Page 110
AT89LP828-20PU
Manufacturer Part Number
AT89LP828-20PU
Description
MCU 8051 8K FLASH SPI 28PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP828-20PU
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
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
1K 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
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
2-Wire, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
30
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP828-20PU
Manufacturer:
NXP
Quantity:
3 942
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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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