HN58X2508TIE RENESAS [Renesas Technology Corp], HN58X2508TIE Datasheet - Page 14
HN58X2508TIE
Manufacturer Part Number
HN58X2508TIE
Description
Electrically Erasable and Programmable Read Only Memory
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HN58X2508TIE.pdf
(29 pages)
- Current page: 14 of 29
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HN58X2508I/HN58X2516I
Instruction Set
Instruction
WREN
WRDI
RDSR
WRSR
READ
WRITE
Write Enable (WREN):
The Write Enable Latch (WEL) bit must be set prior to each WRITE and WRSR instruction. The only way
to do this is to send a Write Enable instruction to the device. As shown in the following figure, to send this
instruction to the device, chip select (S) is driven low, and the bits of the instruction byte are shifted in, on
serial data input (D). The device then enters a wait state. It waits for the device to be deselected, by chip
select (S) being driven high.
Write Enable (WREN) Sequence
Rev.2.00, Aug.19.2004, page 14 of 27
W
Q
C
D
S
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
Description
Write Enable
Write Disable
Read Status Register
Write Status Register
Read from Memory Array
Write to Memory Array
0
1
2
Instruction
High-Z
3
4
5
6
7
0000 0001
Instruction Format
0000 0110
0000 0100
0000 0101
0000 0011
0000 0010
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