23A1024-I(2011) Ver la hoja de datos (PDF) - Microchip Technology
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23A1024-I Datasheet PDF : 32 Pages
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23A1024/23LC1024
TABLE 2-1: INSTRUCTION SET
Instruction Name Instruction Format
READ
WRITE
EDIO
EQIO
RSTIO
RDMR
WRMR
0000 0011
0000 0010
0011 1011
0011 1000
1111 1111
0000 0101
0000 0001
Hex
Code
0x03
0x02
0x3B
0x38
0xFF
0x05
0x01
Description
Read data from memory array beginning at selected address
Write data to memory array beginning at selected address
Enter Dual I/O access
Enter Quad I/O access
Reset Dual and Quad I/O access
Read Mode Register
Write Mode Register
FIGURE 2-1: BYTE READ SEQUENCE (SPI MODE)
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11
29 30 31 32 33 34 35 36 37 38 39
Instruction
24-bit Address
0 0 0 0 0 0 1 1 23 22 21 20
210
High-Impedance
Data Out
76543210
FIGURE 2-2: BYTE WRITE SEQUENCE (SPI MODE)
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11
29 30 31 32 33 34 35 36 37 38 39
Instruction
24-bit Address
Data Byte
0 0 0 0 0 0 1 0 23 22 21 20
2 1 07 6 5 4 3 2 1 0
High-Impedance
DS25142A-page 6
Preliminary
2011 Microchip Technology Inc.
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