AT89LP51RD2 Atmel Corporation, AT89LP51RD2 Datasheet - Page 218

• Manufacturer Part Number: AT89LP51RD2
• Manufacturer: Atmel Corporation

Specifications of AT89LP51RD2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 42
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 7
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 4
• Isp: SPI/OCD/UART
• Watchdog: Yes

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