X4323 INTERSIL [Intersil Corporation], X4323 Datasheet - Page 4
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X4323
Manufacturer Part Number
X4323
Description
CPU Supervisor with 32K EEPROM
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.X4323.pdf
(21 pages)
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Setting the V
This procedure is used to set the V
lower voltage value. It is necessary to reset the trip
point before setting the new value.
To set the new V
bit in the control register, then apply the desired V
threshold voltage to the V
voltage, V
byte of “00” data. The stop bit following a valid write
operation initiates the V
Bring WP LOW to complete the operation.
Figure 2. Reset V
Figure 3. Sample V
SCL
SDA
WP
V
Adj.
TRIP
P
, to the WP pin and 2-byte address and 1
0 1 2 3 4 5 6 7
TRIP
TRIP
TRIP
Voltage
A0h
TRIP
voltage, start by setting the WEL
Level Sequence (V
RESET
TRIP
Reset Circuit
CC
4
pin and the programming
programming sequence.
4.7K
0 1 2 3 4 5 6 7
TRIP
to a higher or
V
P
CC
= 12-15V
00h
> 3V. WP = 12-15V, WEL bit set)
1
2
3
4
X4323, X4325
TRIP
X4323
SOIC
0 1 2 3 4 5 6 7
8
7
6
5
Resetting the V
This procedure is used to set the V
voltage level. For example, if the current V
and the new V
be reset. When V
thing less than 1.7V. This procedure must be used to
set the voltage to a lower value.
To reset the new V
WEL bit in the control register, apply the desired V
threshold voltage to the V
voltage, V
byte of “00” data. The stop bit of a valid write operation
initiates the V
LOW to complete the operation.
03h
P
Adjust
, to the WP pin and 2-byte address and 1
Run
TRIP
TRIP
TRIP
0 1 2 3 4 5 6 7
TRIP
V
programming sequence. Bring WP
P
must be 4.0V, then the V
TRIP
Voltage
is reset, the new V
00h
CC
voltage start by setting the
pin and the programming
SCL
SDA
TRIP
µC
TRIP
to a “native”
TRIP
March 29, 2005
TRIP
is some-
is 4.4V
FN8122.0
must
TRIP