AT89LP52 Atmel Corporation, AT89LP52 Datasheet - Page 83

• Manufacturer Part Number: AT89LP52
• Manufacturer: Atmel Corporation

Specifications of AT89LP52

• Flash (kbytes): 8 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 36
• Uart: 1
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI
• Watchdog: Yes

Figure 17-5. ISP Command Packet (Serial Byte)
Figure 17-6. ISP Command Packet (Serial Page)
Figure 17-7. ISP Command Packet (Parallel Byte)
Figure 17-8. ISP Command Packet (Parallel Page)
3709D–MICRO–12/11
MOSI
MISO
MOSI
MISO
SCK
SCK
SCK
SCK
OE
OE
OE
OE
P0
P0
P0
P0
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Opcode
Opcode
Opcode
Opcode
Opcode
Opcode
X
X
0
0
7
7
6 5 4 3 2 1
6 5 4 3 2 1
Address High
Address High
Address High
Address High
Address High
Address High
X
X
0
0
WRITE
READ
7
7
Address Low
Address Low
Address Low
Address Low
6 5 4 3 2 1
6 5 4 3 2 1
Address Low
Address Low
WRITE
READ
X
X
0
0
7
7
7
7
Data In 0
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
Data In
Data Out 0
Data Out
Data In 0
Data In
Data Out 0
Data Out
0
0
0
0
Out 62
Data In 63
7
7
AT89LP51/52
6 5 4 3 2 1
6 5 4 3 2 1
Data Out 63
Data Out 63
Data In 63
0
0
83