參數(shù)資料
型號(hào): X5083V8-1.8
英文描述: 20MHZ, PDIP, IND TEMP, GREEN(MCU AVR)
中文描述: SPI串行EEPROM,帶有監(jiān)控功能
文件頁(yè)數(shù): 4/21頁(yè)
文件大?。?/td> 115K
代理商: X5083V8-1.8
X5083
Characteristics subject to change without notice.
4 of 21
REV 1.1.6 6/25/02
www.xicor.com
Resetting the V
This procedure is used to set the V
voltage level. For example, if the current V
and the new V
TRIP
must be 4.0V, then the V
be reset. When V
TRIP
is reset, the new V
thing less than 1.7V. This procedure must be used to
set the voltage to a lower value.
TRIP
Voltage
TRIP
to a “native”
TRIP
is 4.4V
TRIP
TRIP
is some-
must
To reset the new V
V
TRIP
threshold voltage to the Vcc pin and tie the WP
pin to the programming voltage V
command, followed by a write of data 00h to address
03h. CS going HIGH on the write operation initiates the
V
TRIP
programming sequence. Bring WP
plete the operation.
TRIP
voltage, apply the desired
P
. Then send a WREN
LOW to com-
Note:
03h.
This operation also writes 00h to array address
Figure 2. Reset V
TRIP
Level Sequence (V
CC
> 3V. WP = 15–18V)
Figure 3. Sample V
TRIP
Reset Circuit
0
1
2 3
4
5 6
7
SCK
SI
CS
06h
WREN
0
1
2 3
4
5 6
7 8
9 10
20 21 22 23
16 Bits
0003h
Address
02h
Write
WP
V
P
= 15-18V
00h
Data
1
2
3
4
8
7
6
5
X5083
V
TRIP
Adj.
V
P
RESET
4.7K
SI
SO
CS
SCK
μC
Adjust
Run
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