15. Command Tables
Table 15-1. Read Commands
Command
Serial/8-bit
Both
Opcode
D2H
E8H
03H
Main Memory Page Read
Continuous Array Read (Legacy Command)
Continuous Array Read (Low Frequency)
Continuous Array Read
Buffer 1 Read (Low Frequency)
Buffer 2 Read (Low Frequency)
Buffer 1 Read
Both
Serial
Serial
Serial
Serial
Serial
Serial
8-bit
0BH
D1H
D3H
D4H
D6H
54H
Buffer 2 Read
Buffer 1 Read
Buffer 2 Read
8-bit
56H
Table 15-2. Program and Erase Commands
Command
Serial/8-bit
Both
Opcode
Buffer 1 Write
84H
Buffer 2 Write
Both
87H
Buffer 1 to Main Memory Page Program with Built-in Erase
Buffer 2 to Main Memory Page Program with Built-in Erase
Buffer 1 to Main Memory Page Program without Built-in Erase
Buffer 2 to Main Memory Page Program without Built-in Erase
Page Erase
Both
83H
Both
86H
Both
88H
Both
89H
Both
81H
Block Erase
Both
50H
Sector Erase
Both
7CH
Chip Erase
Both
C7H, 94H, 80H, 9AH
Main Memory Page Program Through Buffer 1
Main Memory Page Program Through Buffer 2
Both
82H
85H
Both
28
AT45DB642D
3542F–DFLASH–09/06
ATMEL [ ATMEL ]
