ST7FLIT19BF0B6 STMicroelectronics, ST7FLIT19BF0B6 Datasheet - Page 33
![IC MCU 8BIT 2K FLASH 20-DIP](/photos/6/89/68911/497-20-dip__300_mil__narrow_pdip_mdip__series_sml.jpg)
ST7FLIT19BF0B6
Manufacturer Part Number
ST7FLIT19BF0B6
Description
IC MCU 8BIT 2K FLASH 20-DIP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FLIT15BY1M6.pdf
(159 pages)
Specifications of ST7FLIT19BF0B6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
17
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
ST7FLIT1x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
17
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Development Tools By Supplier
ST7FLITE-SK/RAIS, ST7FLIT1B-D/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 7 Channel
For Use With
497-6232 - BOARD EVAL ST7LITE1B,STP5NK60Z497-5049 - KIT STARTER RAISONANCE ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SYSTEM INTEGRITY MANAGEMENT (Cont’d)
7.6.2 Auxiliary Voltage Detector (AVD)
The Voltage Detector function (AVD) is based on
an analog comparison between a V
V
ply voltage (V
for falling voltage is lower than the V
ence value for rising voltage in order to avoid par-
asitic detection (hysteresis).
The output of the AVD comparator is directly read-
able by the application software through a real
time status bit (AVDF) in the SICSR register. This
bit is read only.
Caution: The AVD functions only if the LVD is en-
Figure 20. Using the AVD to Monitor V
IT+(AVD)
AVDF bit
AVD INTERRUPT
REQUEST
IF AVDIE bit = 1
LVD RESET
V
V
V
V
IT+(AVD)
IT+(LVD)
IT-(LVD)
IT-(AVD)
reference value and the V
V
AVD
DD
). The V
0
IT-(AVD)
1
reference value
IT+(AVD)
DD
INTERRUPT Cleared by
IT-(AVD)
main sup-
V
Early Warning Interrupt
(Power has dropped, MCU not
not yet in reset)
DD
hyst
refer-
reset
and
RESET
abled through the option byte.
7.6.2.1 Monitoring the V
The AVD voltage threshold value is relative to the
selected LVD threshold configured by option byte
(see
If the AVD interrupt is enabled, an interrupt is gen-
erated when the voltage crosses the V
V
In the case of a drop in voltage, the AVD interrupt
acts as an early warning, allowing software to shut
down safely before the LVD resets the microcon-
troller. See
IT-(AVD)
section 15.1 on page
threshold (AVDF bit is set).
Figure
20.
1
INTERRUPT Cleared by
DD
149).
Main Supply
hardware
0
ST7LITE1xB
IT+(LVD)
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or
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