ST6246 STMICROELECTRONICS [STMicroelectronics], ST6246 Datasheet - Page 53
ST6246
Manufacturer Part Number
ST6246
Description
8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST6246.pdf
(72 pages)
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POWER SUPPLY SUPERVISOR (Continued)
4.6.1 PSS Operating Mode Description
The resistive voltage divider connected to the PSS
pin provides the internal comparator with the
nxV
connected to the V
comparator with the mxV
m values are selected with the PSS register. It
must be observed that the n and m values must be
selected, taking into consideration the following
electrical constraints:
Figure 32. Typical application using the PSS
PSS
V
IN
/13 voltage. The resistive voltage divider
DD
pin provides the internal
DD
/13 voltage. The n and
L48xx
0.5V < nxV
0.5V < mxV
we must also have:
The PIF bit is the interrupt request flag of the PSS
device. This bit follows PSS comparator output.
m
--- -
n
V
DD
V
PSS
DD
PSS
/13 at detection < V
/13 at detection < V
V
DD
P
V
V
SS
DD
SS
ST62T46B/E46B
DD
DD
-2V
-2V
VR01837
53/72
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