AT89LP51ED2-20MU Atmel, AT89LP51ED2-20MU Datasheet - Page 214

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

Specifications of AT89LP51ED2-20MU

• Rohs: yes
• Core: 8051
• 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: VQFN-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
• Processor Series: AT89x
• Program Memory Type: Flash
• Factory Pack Quantity: 360

24.5.10
Table 24-19. Bootloader Command Summary
Note:
214
Command
00h
03h
04h
05h
07h
1. AT89C51ID2 Only. This byte differs from AT89C51ID2, which uses 02h
AT89LP51RD2/ED2/ID2 Preliminary
Bootloader Command Summary
Program EEPROM data
Command Name
Display Function
Program Code
Write Function
Read Function
Data[4] = 02h: Display EEPROM
Data[0]
Data[4] = 00h:Display Code
Data[4] = 01h: Blank check
0Ah
0Bh
0Eh
01h
03h
04h
05h
06h
07h
00h
07h
0Fh
Data[0:1] = start address
Data [2:3] = end address
Data[1]
10h
C0h
00h
20h
40h
80h
00h
00h
00h
01h
00h
01h
04h
08h
00h
01h
02h
03h
00h
01h
02h
06h
00h
00h
01h
00h
-
(1)
Bootloader will accept up to 128 (80h) data bytes. The data
Full Chip Erase (This command needs about 6 sec to be
Bootloader will accept up to 128 (80h) data bytes.
bytes should be 128 byte page flash boundary.
Program BLJB fuse (value to write in data[2])
Program OSC fuse (value to write in data[2])
Program X2 fuse (value to write in data[2])
Program BSB (value to write in data[2])
Program SBV (value to write in data[2])
Program Nn EEprom Data Byte.
Erase block4 (C000h- FFFFh)
Erase block3 (8000h- BFFFh)
Erase block0 (0000h-1FFFh)
Erase block1 (2000h-3FFFh)
Erase block2 (4000h-7FFFh)
Read Bootloader Version
Program Nb Code Byte.
Display EEPROM data
Read Device Boot ID1
Read Device Boot ID2
Read Hardware Byte
Program SSB level 1
Program SSB level 2
Erase SBV & BSB
Command Effect
Read Extra Byte
Hardware Reset
Manufacturer Id
Display Code
Blank Check
Device Id #1
Device Id #2
Device Id #3
Read SSB
Read BSB
Read SBV
executed)
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