W83627DHG
Publication Release Date: Aug, 22, 2007
-110- Version
1.4
Table 9.3 MODE
MODE DEFINITION
FUNCTION
COMMAND
EXAMPLE
1 CMD
Command
only
Chip Enable, Write
Enable, Write Disable
2
CMD_Da(1)
Command with 1byte data write
Write Status Register
3
CMD_Da(2)
Command with 2bytes data read
Read ID (Atmel
®
)
4
CMD_Add(3)
Command with 3 bytes address
Block Erase, Sector Erase
5 CMD_Ad(3)_Da(1)_W
Command with 3bytes address and
1byte data read
Byte Program (1 byte)
6 CMD_Ad(3)_Da(4)_W
Command with 3bytes address and
4bytes data write
Page Program (4 bytes)
7 CMD_Ad(4)_Da(4)_R
Command with 3bytes and a
dummy byte address and 4byte
data read
FAST READ (4 bytes)
8 CMD_Ad(3)_Da(1)_R
Command with 3bytes address and
1byte data read
READ, Read Status
Read ID (ST/SST
®
)
9 CMD_Ad(3)_Da(2)_R
Command with 3bytes address and
2bytes data read
Read ID (Winbond
®
)
a CMD_Ad(3)_Da(3)_R
Command with 3bytes address and
3bytes data read
Read ID (PMC
®
)
b CMD_Ad(3)_Da(4)_R
Command with 3bytes address and
4 bytes data read
Reading Data From SPI Devices
First, write the “Read” instruction to Base+0. Then write the addresses to Base+2 ~
Base+3. Last, write 8X to Base+1.
Programming SPI Devices
First, write the “Byte Program” instruction to Base+0. Then write the addresses into
Base+2 ~ Base+3 and parameters to Base+4. Last, write 5X to Base+1. For correct
programming, make sure the state of the device is ready and write enabled.
* For more details, please see the Programming Guide of the W83627DHG.
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