hn58x25128fpie Renesas Electronics Corporation., hn58x25128fpie Datasheet - Page 11
hn58x25128fpie
Manufacturer Part Number
hn58x25128fpie
Description
Serial Peripheral Interface 128k Eeprom 16-kword ?? 8-bit 256k Eeprom 32-kword ?? 8-bit Electrically Erasable And Programmable Read Only Memory
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HN58X25128FPIE.pdf
(22 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HN58X25128FPIE
Manufacturer:
SIUN
Quantity:
50
Part Number:
HN58X25128FPIE
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
HN58X25128I/HN58X25256I
Write Disable (WRDI):
One way of resetting the Write Enable Latch (WEL) bit is to send a Write Disable 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. The
Write Enable Latch (WEL) bit, in fact, becomes reset by any of the following events:
Write Disable (WRDI) Sequence
Rev.3.00, Jul.06.2005, page 11 of 20
Power-up
WRDI instruction execution
WRSR instruction completion
WRITE instruction completion
W
Q
C
D
S
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
0
1
2
Instruction
High-Z
3
4
5
6
7