參數(shù)資料
型號(hào): X5045M8I-2.7
元件分類: CPU監(jiān)測(cè)
英文描述: RTC Module With CPU Supervisor
中文描述: 時(shí)鐘模塊CPU監(jiān)控
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 108K
代理商: X5045M8I-2.7
X5043/X5045
Characteristics subject to change without notice.
4 of 20
REV 1.1.2 5/29/01
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 V
pin and tie the WP pin to the programming voltage V
Then send a WREN command, followed by a write of
Data 00h to address 03h. CS going HIGH on the write
operation initiates the V
TRIP
Bring WP LOW to complete the operation.
TRIP
voltage, apply at least 3V to the V
CC
P
.
programming sequence.
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
12 13 14 15
8 Bits
03h
Address
02h
Write
WP
V
PE
= 15-18V
00h
Data
11
1
2
3
4
8
7
6
5
X5043
X5045
V
TRIP
Adj.
V
P
RESET
4.7K
SI
SO
CS
SCK
μC
Adjust
Run
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