AT89LP51ED2-20JU Atmel, AT89LP51ED2-20JU Datasheet - Page 218

• Manufacturer Part Number: AT89LP51ED2-20JU
• Description: 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
• Manufacturer: Atmel

Specifications of AT89LP51ED2-20JU

• Rohs: yes
• Core: 8051
• Processor Series: AT89x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: PLCC-44
• Mounting Style: SMD/SMT
• Data Rom Size: 4 KB
• Interface Type: 2-Wire, SPI, UART
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Program Memory Type: Flash
• Factory Pack Quantity: 27

Figure 24-20. ISP Command Packet (Serial)
Figure 24-21. ISP Command Packet (Parallel)
218
MOSI
MISO
SCK
SCK
OE
OE
SS
P0
P0
SS
AT89LP51RD2/ED2/ID2 Preliminary
AAh
AAh
Preamble 1
X
55h
55h
Preamble 2
X
Opcode
Opcode
7
6 5 4 3 2 1
WRITE
READ
Opcode
Address High
Address High
X
0
7
Address Low
Address Low
6 5 4 3 2 1
Address High
X
0
Data In
7
6 5 4 3 2 1
Address Low
Data Out
X
0
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Data Out
Data In
3714A–MICRO–7/11
0
0