ST7FDALIF2M6TR STMicroelectronics, ST7FDALIF2M6TR Datasheet - Page 42
ST7FDALIF2M6TR
Manufacturer Part Number
ST7FDALIF2M6TR
Description
IC MCU 8BIT 8K FLASH 20-SOIC
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7DALI-EVAL.pdf
(171 pages)
Specifications of ST7FDALIF2M6TR
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
DALI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
ST7DALI
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
DALI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
15
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7FLITE-SK/RAIS, ST7DALI-EVAL, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 7 Channel / 13 bit, 7 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FDALIF2M6TR
Manufacturer:
NEC
Quantity:
670
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Supply, reset and clock management
9.7.2
Caution:
42/171
Figure 17. Reset and supply management block diagram
Auxiliary voltage detector (AVD)
The Voltage Detector function (AVD) is based on an analog comparison between a V
and V
reference value for falling voltage is lower than the V
voltage in order to avoid parasitic detection (hysteresis).
The output of the AVD comparator is directly readable by the application software through a
real time status bit (AVDF) in the SICSR register. This bit is read only.
The AVD functions only if the LVD is enabled through the option byte.
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 generated when the voltage crosses the
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 microcontroller. See
IT+(LVD)
RESET
V
V
SS
DD
IT+(AVD)
or V
IT-(AVD)
reference value and the V
Section 22.1 on page
RESET SEQUENCE
DD
threshold (AVDF bit is set).
MANAGER
(RSM)
main supply
TIMER (WDG)
WATCHDOG
161).
DD
SICSR
main supply voltage (V
0
SYSTEM INTEGRITY MANAGEMENT
0
0
IT+(AVD)
WDGRF
AUXILIARY VOLTAGE
LOCKED
LOW VOLTAGE
STATUS FLAG
reference value for rising
DETECTOR
DETECTOR
(AVD)
(LVD)
LVDRF
AVD
). The V
AVDF
AVD Interrupt Request
AVDIE
Figure
IT-(AVD)
ST7DALIF2
18.
IT-(AVD)
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